{"id":351,"date":"2026-08-14T01:30:44","date_gmt":"2026-08-14T01:30:44","guid":{"rendered":"https:\/\/5speedtransmission.com\/how-to-measure-a-sprocket-for-replacement-teeth-pitch-bore-keyway-hub-and-face-width\/"},"modified":"2026-08-14T01:30:44","modified_gmt":"2026-08-14T01:30:44","slug":"how-to-measure-a-sprocket-for-replacement-teeth-pitch-bore-keyway-hub-and-face-width","status":"publish","type":"post","link":"https:\/\/5speedtransmission.com\/ko\/how-to-measure-a-sprocket-for-replacement-teeth-pitch-bore-keyway-hub-and-face-width\/","title":{"rendered":"\uc2a4\ud504\ub85c\ud0b7 \uad50\uccb4\ub97c \uc704\ud55c \uce21\uc815 \ubc29\ubc95: \ud1b1\ub2c8 \uc218, \ud53c\uce58, \ub0b4\uacbd, \ud0a4\ud648, \ud5c8\ube0c \ubc0f \uba74\ud3ed"},"content":{"rendered":"<article style=\"--color-brand:darkslategray;--color-accent:steelblue;--color-neutral:whitesmoke;--color-success:seagreen;--color-warning:darkorange;--color-surface:white;--color-text:black;--color-muted:slategray;font-family:Arial,sans-serif;line-height:1.6;color:var(--color-text);background:var(--color-surface);box-sizing:border-box;\">\n<header style=\"position:relative;overflow:hidden;background:var(--color-brand);background-image:url('https:\/\/5speedtransmission.com\/wp-content\/uploads\/2026\/07\/Hero-Slide-1-Transmission-Components.webp');background-size:cover;background-position:center;min-height:500px;width:100%;\">\n<div style=\"position:absolute;inset:0;background:black;opacity:0.50;\"><\/div>\n<div style=\"position:relative;width:92%;max-width:1180px;margin:0 auto;padding:62px 0 58px;\">\n<div style=\"position:relative;max-width:820px;padding:32px 34px;\">\n<div style=\"position:absolute;inset:0;background:black;opacity:0.60;border-radius:12px;border-left:5px solid var(--color-accent);\"><\/div>\n<div style=\"position:relative;\">\n<p style=\"margin:0 0 12px;color:lightsteelblue;font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;\">\uc2a4\ud504\ub85c\ud0b7 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \u00b7 \uccb4\uc778 \uad6c\ub3d9 \uc124\uacc4 \u00b7 \ud604\uc7a5 \uac80\uc99d<\/p>\n<h1 style=\"margin:0 0 18px;color:white !important;font-size:clamp(30px,4.4vw,50px);line-height:1.08;font-weight:800;letter-spacing:-0.5px;\">\uc2a4\ud504\ub85c\ud0b7 \uad50\uccb4\ub97c \uc704\ud55c \uce21\uc815 \ubc29\ubc95: \ud1b1\ub2c8 \uc218, \ud53c\uce58, \ub0b4\uacbd, \ud0a4\ud648, \ud5c8\ube0c \ubc0f \uba74\ud3ed<\/h1>\n<p style=\"margin:0 0 24px;color:gainsboro;font-size:17px;max-width:720px;\">Create a field record that identifies the chain interface, tooth count, pitch geometry, shaft connection, hub envelope, and face width before a replacement is ordered.<\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:10px;margin:0 0 26px;\"><span style=\"border:1px solid lightsteelblue;color:white;padding:6px 10px;border-radius:8px;font-size:12px;\">sprocket measurement<\/span><span style=\"border:1px solid lightsteelblue;color:white;padding:6px 10px;border-radius:8px;font-size:12px;\">\uce58\uc544 \uac1c\uc218<\/span><span style=\"border:1px solid lightsteelblue;color:white;padding:6px 10px;border-radius:8px;font-size:12px;\">\uccb4\uc778 \ud53c\uce58<\/span><span style=\"border:1px solid lightsteelblue;color:white;padding:6px 10px;border-radius:8px;font-size:12px;\">\uc2a4\ud504\ub85c\ud0b7 \ubcf4\uc5b4<\/span><\/div>\n<p><a href=\"#contact\" style=\"display:inline-block;background:var(--color-accent);color:white;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:8px;\">\uc2a4\ud504\ub85c\ud0b7 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc9c0\uc6d0\uc744 \uc694\uccad\ud569\ub2c8\ub2e4.<\/a><\/div>\n<\/div>\n<\/div>\n<\/header>\n<p><main style=\"width:92%;max-width:1080px;margin:0 auto;padding:42px 0 0;\"><\/p>\n<section style=\"background:var(--color-neutral);border:1px solid gainsboro;border-left:5px solid var(--color-brand);border-bottom:3px solid var(--color-accent);border-radius:8px;padding:24px 26px;margin:0 0 28px;\">\n<p style=\"margin:0 0 6px;color:var(--color-muted);font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;\">\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubc94\uc704<\/p>\n<h2 style=\"margin:0 0 18px;color:var(--color-brand) !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-brand);border-bottom:2px solid var(--color-accent);padding:9px 14px;background:var(--color-neutral);\">Measurement Snapshot: Measuring a sprocket for replacement<\/h2>\n<p >Create a field record that identifies the chain interface, tooth count, pitch geometry, shaft connection, hub envelope, and face width before a replacement is ordered. This article concentrates on sprocket measurement, tooth count, chain pitch, sprocket bore, keyway, and face width as field-verifiable decision inputs.<\/p>\n<p >For measuring a sprocket for replacement, keep chain engagement, shaft mounting, operating duty, and maintainability in the same decision record; use the current drawing whenever an exact limit is model-specific.<\/p>\n<\/section>\n<section style=\"margin:0 0 34px;\">\n<div style=\"display:flex;flex-wrap:wrap;gap:20px;\">\n<div style=\"flex:1 1 310px;min-width:0;background:var(--color-brand);color:white;border-radius:8px;padding:22px;\">\n<p style=\"margin:0 0 8px;color:lightsteelblue;font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;\">\ud544\ub4dc \ucc38\uc870<\/p>\n<dl >\n<dt style=\"font-weight:700;color:white;margin-top:10px;\">\uccb4\uc778\/\ud1b1\ub2c8 \uc778\ud130\ud398\uc774\uc2a4<\/dt>\n<dd style=\"margin:3px 0 0;color:gainsboro;\">Confirm sprocket measurement, tooth count, and the mating chain dimensions before changing hardware.<\/dd>\n<dt style=\"font-weight:700;color:white;margin-top:10px;\">\uc0e4\ud504\ud2b8\/\ud5c8\ube0c \uc778\ud130\ud398\uc774\uc2a4<\/dt>\n<dd style=\"margin:3px 0 0;color:gainsboro;\">\ub3d9\uc2ec\ub3c4, \ucd95 \uc704\uce58 \ub610\ub294 \ud558\uc911 \uc804\ub2ec\uc744 \uc81c\uc5b4\ud558\ub294 \u200b\u200b\uccb4\uc778 \ud53c\uce58 \ubc0f \uc7a5\ucc29 \uc138\ubd80 \uc815\ubcf4\ub97c \uae30\ub85d\ud558\uc2ed\uc2dc\uc624.<\/dd>\n<dt style=\"font-weight:700;color:white;margin-top:10px;\">\uc6b4\uc601 \uc5c5\ubb34<\/dt>\n<dd style=\"margin:3px 0 0;color:gainsboro;\">Document speed, load, shock, starts\/reversals, contamination, washdown, and maintenance access relevant to measuring a sprocket for replacement.<\/dd>\n<dt style=\"font-weight:700;color:white;margin-top:10px;\">\uac80\uc99d \uae30\ub85d<\/dt>\n<dd style=\"margin:3px 0 0;color:gainsboro;\">For measuring a sprocket for replacement, keep measured values, nominal drawing values, wear observations, and the final replacement requirement distinct in the service record.<\/dd>\n<\/dl>\n<\/div>\n<div style=\"flex:1 1 310px;min-width:0;background:var(--color-surface);border:1px solid gainsboro;border-radius:8px;padding:22px;\">\n<p style=\"margin:0 0 8px;color:var(--color-muted);font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;\">\uacb0\uc815 \uc6d0\uce59<\/p>\n<p style=\"margin:0 0 12px;font-size:19px;font-weight:700;color:var(--color-brand);\">Release measuring a sprocket for replacement from measured interfaces, not appearance.<\/p>\n<p >For measuring a sprocket for replacement, check the chain interface, shaft connection, duty, and installed geometry as separate acceptance items, then reconcile them in the final specification.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<nav style=\"background:var(--color-surface);border:1px solid gainsboro;border-radius:8px;padding:20px 24px;margin:0 0 46px;\">\n<p style=\"margin:0 0 12px;color:var(--color-brand);font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase;\">\uae30\uc0ac \uc9c0\ub3c4<\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:20px;\">\n<div style=\"flex:1 1 300px;min-width:0;\"><a href=\"#f1\" style=\"display:block;padding:6px 0;color:var(--color-brand);text-decoration:none;\">01 \u00b7 Count teeth and identify the tooth row<\/a><a href=\"#f3\" style=\"display:block;padding:6px 0;color:var(--color-brand);text-decoration:none;\">03 \u00b7 Measure the shaft interface separately from the tooth geometry<\/a><a href=\"#f5\" style=\"display:block;padding:6px 0;color:var(--color-brand);text-decoration:none;\">05 \u00b7 Record wear so measured geometry is not mistaken for new geometry<\/a><a href=\"#matrix\" style=\"display:block;padding:6px 0;color:var(--color-brand);text-decoration:none;\">M \u00b7 \uc758\uc0ac\uacb0\uc815 \ub9e4\ud2b8\ub9ad\uc2a4<\/a><\/div>\n<div style=\"flex:1 1 300px;min-width:0;\"><a href=\"#f2\" style=\"display:block;padding:6px 0;color:var(--color-brand);text-decoration:none;\">02 \u00b7 Identify chain pitch from the chain whenever possible<\/a><a href=\"#f4\" style=\"display:block;padding:6px 0;color:var(--color-brand);text-decoration:none;\">04 \u00b7 Use hub and face dimensions to preserve the chain plane<\/a><a href=\"#procedure\" style=\"display:block;padding:6px 0;color:var(--color-brand);text-decoration:none;\">P \u00b7 \ud604\uc7a5 \uc808\ucc28<\/a><a href=\"#faq\" style=\"display:block;padding:6px 0;color:var(--color-brand);text-decoration:none;\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38 \u00b7 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uad00\ub828 \uc9c8\ubb38<\/a><\/div>\n<\/div>\n<\/nav>\n<section id=\"matrix\" style=\"margin:0 0 46px;\">\n<h2 style=\"margin:0 0 18px;color:var(--color-brand) !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-brand);border-bottom:2px solid var(--color-accent);padding:9px 14px;background:var(--color-neutral);\">\uce21\uc815 \uae30\ub85d<\/h2>\n<div style=\"overflow-x:auto;max-width:100%;\">\n<table style=\"width:100%;min-width:680px;border-collapse:collapse;\">\n<caption style=\"text-align:left;font-weight:700;color:var(--color-brand);padding:0 0 10px;\">Measuring a sprocket for replacement \u2014 field decision matrix<\/caption>\n<thead>\n<tr style=\"background:var(--color-brand);\">\n<th scope=\"col\" style=\"padding:11px 12px;text-align:left;color:white;\">\uc694\uc778<\/th>\n<th scope=\"col\" style=\"padding:11px 12px;text-align:left;color:white;border-bottom:3px solid var(--color-accent);\">\ubb34\uc5c7\uc744 \ud655\uc778\ud574\uc57c \ud560\uae4c\uc694?<\/th>\n<th scope=\"col\" style=\"padding:11px 12px;text-align:left;color:white;\">\ub9b4\ub9ac\uc2a4 \ub85c\uc9c1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:var(--color-surface);\">\n<th scope=\"row\" style=\"padding:10px 12px;text-align:left;\">Count teeth and identify the tooth row<\/th>\n<td style=\"padding:10px 12px;\">Mark one tooth with paint, rotate the sprocket, and count every tooth in the active row<\/td>\n<td style=\"padding:10px 12px;\">Use the current supplier or machine limit for model-specific count teeth and identify the tooth row.<\/td>\n<\/tr>\n<tr style=\"background:var(--color-neutral);\">\n<th scope=\"row\" style=\"padding:10px 12px;text-align:left;\">Identify chain pitch from the chain whenever possible<\/th>\n<td style=\"padding:10px 12px;\">Pitch is measured pin center to pin center<\/td>\n<td style=\"padding:10px 12px;\">Record identify chain pitch from the chain whenever possible as a release check before installation or restart.<\/td>\n<\/tr>\n<tr style=\"background:var(--color-surface);\">\n<th scope=\"row\" style=\"padding:10px 12px;text-align:left;\">Measure the shaft interface separately from the tooth geometry<\/th>\n<td style=\"padding:10px 12px;\">Bore diameter, keyway, set screws, taper bushing series, shaft shoulder, and length through bore are independent ordering dimensions even when the chain side is already identified<\/td>\n<td style=\"padding:10px 12px;\">Correct the system cause linked to measure the shaft interface separately from the tooth geometry before fitting new hardware.<\/td>\n<\/tr>\n<tr style=\"background:var(--color-neutral);\">\n<th scope=\"row\" style=\"padding:10px 12px;text-align:left;\">Use hub and face dimensions to preserve the chain plane<\/th>\n<td style=\"padding:10px 12px;\">Hub diameter, hub projection, sprocket face width, and tooth-row location determine whether the replacement will clear bearings and place the chain in the same axial plane<\/td>\n<td style=\"padding:10px 12px;\">Accept use hub and face dimensions to preserve the chain plane when field evidence matches the controlled requirement.<\/td>\n<\/tr>\n<tr style=\"background:var(--color-surface);\">\n<th scope=\"row\" style=\"padding:10px 12px;text-align:left;\">Record wear so measured geometry is not mistaken for new geometry<\/th>\n<td style=\"padding:10px 12px;\">Hooked teeth, root wear, fretted bores, and battered keyways can distort field measurements<\/td>\n<td style=\"padding:10px 12px;\">Reconstruct nominal record wear so measured geometry is not mistaken for new geometry if wear has obscured the original geometry.<\/td>\n<\/tr>\n<\/tbody>\n<tfoot>\n<tr style=\"background:var(--color-brand);\">\n<td colspan=\"3\" style=\"padding:11px 12px;color:white;\">\ucd5c\uc885 \uc2b9\uc778\uc744 \uc704\ud574\uc11c\ub294 \uce21\uc815\ub41c \uae30\uacc4 \ub370\uc774\ud130\uc640 \ucd5c\uc2e0 \uccb4\uc778\/\uc2a4\ud504\ub85c\ud0b7 \ub3c4\uba74\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ubaa8\ub378\ubcc4 \ud5c8\uc6a9 \uc624\ucc28\ub294 \uc11c\ub85c \ud638\ud658\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tfoot>\n<\/table>\n<\/div>\n<\/section>\n<section id=\"f1\" style=\"margin:0 0 46px;\">\n<h2 style=\"margin:0 0 18px;color:var(--color-brand) !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-brand);border-bottom:2px solid var(--color-accent);padding:9px 14px;background:var(--color-neutral);\">1. Count teeth and identify the tooth row<\/h2>\n<figure style=\"margin:0 0 22px;\"><img decoding=\"async\" src=\"https:\/\/5speedtransmission.com\/wp-content\/uploads\/2026\/07\/ever-power-measuring-equipment-1.webp\" alt=\"Measuring a sprocket for replacement - Count teeth and identify the tooth row\" style=\"width:100%;max-width:100%;height:auto;border-radius:8px;box-sizing:border-box;display:block;\"><figcaption style=\"font-size:12px;color:var(--color-muted);margin-top:7px;\">Visual reference for count teeth and identify the tooth row in measuring a sprocket for replacement.<\/figcaption><\/figure>\n<p >Mark one tooth with paint, rotate the sprocket, and count every tooth in the active row. For multi-strand sprockets also count rows and measure their center spacing. A useful field note for measuring a sprocket for replacement pairs sprocket measurement with chain pitch. That keeps the decision tied to the actual chain drive rather than a visual match. For component context, review <a href=\"https:\/\/5speedtransmission.com\/ko\/product-category\/sprockets\/\" target=\"_blank\" rel=\"noopener\" style=\"color:var(--color-accent);font-weight:700;text-decoration:none;\">sprocket dimensions and replacement options<\/a> \uc5f0\uacb0\ub41c \uc81c\ud488\uad70\uc774 \ub3d9\uc77c\ud55c \uccb4\uc778 \uad6c\ub3d9 \uc778\ud130\ud398\uc774\uc2a4\uc640 \uad00\ub828\ub41c \uacbd\uc6b0.<\/p>\n<p >Verification for measuring a sprocket for replacement: compare the field condition with nominal data and treat any difference that changes roller seating, shaft support, or service access as a release criterion.<\/p>\n<\/section>\n<section id=\"f2\" style=\"margin:0 0 46px;\">\n<h2 style=\"margin:0 0 18px;color:var(--color-brand) !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-brand);border-bottom:2px solid var(--color-accent);padding:9px 14px;background:var(--color-neutral);\">2. Identify chain pitch from the chain whenever possible<\/h2>\n<p >Pitch is measured pin center to pin center. Measuring over several pitches reduces reading error. The sprocket outside diameter alone is not a reliable pitch identifier because it changes with tooth count. For measuring a sprocket for replacement, use tooth count as the primary field reference and compare it with sprocket bore; resolve any disagreement before releasing the sprocket specification.<\/p>\n<p >Use the wear evidence to test identify chain pitch from the chain whenever possible: asymmetric polishing, fretting, root impact, or chain climbing should lead to a measurable correction rather than a like-for-like replacement.<\/p>\n<\/section>\n<section id=\"f3\" style=\"margin:0 0 46px;\">\n<h2 style=\"margin:0 0 18px;color:var(--color-brand) !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-brand);border-bottom:2px solid var(--color-accent);padding:9px 14px;background:var(--color-neutral);\">3. Measure the shaft interface separately from the tooth geometry<\/h2>\n<p >Bore diameter, keyway, set screws, taper bushing series, shaft shoulder, and length through bore are independent ordering dimensions even when the chain side is already identified. The practical check for measure the shaft interface separately from the tooth geometry is to connect the observed condition to chain pitch, then confirm that keyway does not introduce a second compatibility limit. For component context, review <a href=\"https:\/\/5speedtransmission.com\/ko\/product-category\/driving-chains\/\" target=\"_blank\" rel=\"noopener\" style=\"color:var(--color-accent);font-weight:700;text-decoration:none;\">roller chain dimensions<\/a> \uc5f0\uacb0\ub41c \uc81c\ud488\uad70\uc774 \ub3d9\uc77c\ud55c \uccb4\uc778 \uad6c\ub3d9 \uc778\ud130\ud398\uc774\uc2a4\uc640 \uad00\ub828\ub41c \uacbd\uc6b0.<\/p>\n<p >For procurement, express measure the shaft interface separately from the tooth geometry as verifiable data: chain standard, measured dimension, drawing reference, material condition, or operating requirement. Do not specify only &#8216;same as old.&#8217;<\/p>\n<\/section>\n<section id=\"f4\" style=\"margin:0 0 46px;\">\n<h2 style=\"margin:0 0 18px;color:var(--color-brand) !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-brand);border-bottom:2px solid var(--color-accent);padding:9px 14px;background:var(--color-neutral);\">4. Use hub and face dimensions to preserve the chain plane<\/h2>\n<figure style=\"margin:0 0 22px;\"><img decoding=\"async\" src=\"https:\/\/5speedtransmission.com\/wp-content\/uploads\/2026\/07\/Steel-Stock-Bore-Sprockets-dimension-1.webp\" alt=\"Measuring a sprocket for replacement - Use hub and face dimensions to preserve the chain plane\" style=\"width:100%;max-width:100%;height:auto;border-radius:8px;box-sizing:border-box;display:block;\"><figcaption style=\"font-size:12px;color:var(--color-muted);margin-top:7px;\">Visual reference for use hub and face dimensions to preserve the chain plane in measuring a sprocket for replacement.<\/figcaption><\/figure>\n<p >Hub diameter, hub projection, sprocket face width, and tooth-row location determine whether the replacement will clear bearings and place the chain in the same axial plane. Record the evidence for use hub and face dimensions to preserve the chain plane beside the measured sprocket bore. If face width is size- or supplier-dependent, carry the drawing reference into the purchase record.<\/p>\n<p >For commissioning, define how use hub and face dimensions to preserve the chain plane will be checked after installation: chain seating, runout, shaft clearance, tooth-side contact, rpm, or loaded inspection as applicable.<\/p>\n<\/section>\n<section id=\"f5\" style=\"margin:0 0 46px;\">\n<h2 style=\"margin:0 0 18px;color:var(--color-brand) !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-brand);border-bottom:2px solid var(--color-accent);padding:9px 14px;background:var(--color-neutral);\">5. Record wear so measured geometry is not mistaken for new geometry<\/h2>\n<p >Hooked teeth, root wear, fretted bores, and battered keyways can distort field measurements. Label each value as nominal, measured, or estimated from an unworn reference. Treat record wear so measured geometry is not mistaken for new geometry as a pass\/fail interface: document keyway, inspect the mating component, and use sprocket measurement to confirm the final operating fit.<\/p>\n<p >Verification for measuring a sprocket for replacement: compare the field condition with nominal data and treat any difference that changes roller seating, shaft support, or service access as a release criterion.<\/p>\n<\/section>\n<section id=\"procedure\" style=\"margin:0 0 46px;\">\n<h2 style=\"margin:0 0 18px;color:var(--color-brand) !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-brand);border-bottom:2px solid var(--color-accent);padding:9px 14px;background:var(--color-neutral);\">\ud604\uc7a5 \uce21\uc815 \uc808\ucc28<\/h2>\n<ol style=\"margin:0;padding-left:22px;\">\n<li style=\"margin:0 0 12px;\"><strong style=\"color:var(--color-brand);\">1. Clean and lock out the drive.<\/strong> Remove debris from the tooth root, hub face, bore area, and chain so tools contact metal rather than packed contamination. If the observation changes sprocket bore, stop and update the replacement specification before continuing.<\/li>\n<li style=\"margin:0 0 12px;\"><strong style=\"color:var(--color-brand);\">2. Count and photograph.<\/strong> Mark a starting tooth, count tooth number and rows, photograph the sprocket from the side and hub end, and note rotation direction. Repeat or rotate the check when wear could bias keyway; the goal is nominal geometry, not one convenient reading.<\/li>\n<li style=\"margin:0 0 12px;\"><strong style=\"color:var(--color-brand);\">3. Measure chain data.<\/strong> Measure chain pitch over multiple joints, roller diameter, inside width, and strand count, or record a legible chain designation. Photograph the setup when useful and identify the reference surfaces used to establish face width.<\/li>\n<li style=\"margin:0 0 12px;\"><strong style=\"color:var(--color-brand);\">4. Measure sprocket diameters.<\/strong> Record outside diameter and, where accessible, caliper or root-related diameters that can be checked against a catalog drawing for the known tooth count. If the observation changes sprocket measurement, stop and update the replacement specification before continuing.<\/li>\n<li style=\"margin:0 0 12px;\"><strong style=\"color:var(--color-brand);\">5. Measure bore and hub.<\/strong> Use appropriate calipers, micrometers, bore gauges, depth tools, or gauge blocks for bore, keyway, hub diameter, length through bore, and tooth-face position. Repeat or rotate the check when wear could bias tooth count; the goal is nominal geometry, not one convenient reading.<\/li>\n<li style=\"margin:0 0 12px;\"><strong style=\"color:var(--color-brand);\">6. Build the replacement record.<\/strong> Put every measurement, tool, reference face, chain designation, material observation, and photo identifier into one controlled field sheet before requesting a quote. Photograph the setup when useful and identify the reference surfaces used to establish chain pitch.<\/li>\n<\/ol>\n<p >For measuring a sprocket for replacement, cross-check adjacent drive interfaces with <a href=\"https:\/\/5speedtransmission.com\/ko\/\" target=\"_blank\" rel=\"noopener\" style=\"color:var(--color-accent);font-weight:700;text-decoration:none;\">power transmission replacement components<\/a> \uc124\uce58 \ub610\ub294 \uad50\uccb4 \uae30\ub85d\uc744 \uac8c\uc2dc\ud558\uae30 \uc804\uc5d0.<\/p>\n<\/section>\n<section style=\"margin:0 0 46px;\">\n<h2 style=\"margin:0 0 18px;color:var(--color-brand) !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-brand);border-bottom:2px solid var(--color-accent);padding:9px 14px;background:var(--color-neutral);\">\uac80\uc99d \ud655\uc778<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:20px;\">\n<div style=\"flex:1 1 230px;min-width:0;border:1px solid gainsboro;border-radius:8px;padding:17px;background:var(--color-neutral);\">\n<p style=\"margin:0 0 6px;color:var(--color-warning);font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;\">01\uc744 \ud53c\ud558\uc138\uc694<\/p>\n<p >Using outside diameter as the only evidence of pitch. Document the corrective requirement specifically for measuring a sprocket for replacement before the part is released.<\/p>\n<\/div>\n<div style=\"flex:1 1 230px;min-width:0;border:1px solid gainsboro;border-radius:8px;padding:17px;background:var(--color-surface);\">\n<p style=\"margin:0 0 6px;color:var(--color-warning);font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;\">02\ub97c \ud53c\ud558\uc138\uc694<\/p>\n<p >Measuring a hooked working flank and treating the worn value as the original tooth geometry. Document the corrective requirement specifically for measuring a sprocket for replacement before the part is released.<\/p>\n<\/div>\n<div style=\"flex:1 1 230px;min-width:0;border:1px solid gainsboro;border-radius:8px;padding:17px;background:var(--color-neutral);\">\n<p style=\"margin:0 0 6px;color:var(--color-warning);font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;\">03\uc744 \ud53c\ud558\uc138\uc694<\/p>\n<p >Omitting hub projection and discovering the replacement moves the chain plane. Document the corrective requirement specifically for measuring a sprocket for replacement before the part is released.<\/p>\n<\/div>\n<div style=\"flex:1 1 230px;min-width:0;border:1px solid gainsboro;border-radius:8px;padding:17px;background:var(--color-surface);\">\n<p style=\"margin:0 0 6px;color:var(--color-warning);font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;\">04\ub97c \ud53c\ud558\uc138\uc694<\/p>\n<p >Recording a nominal shaft size without checking a worn or repaired shaft. Document the corrective requirement specifically for measuring a sprocket for replacement before the part is released.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<section style=\"margin:0 0 42px;background:var(--color-neutral);border-left:5px solid var(--color-warning);border-radius:8px;padding:18px 20px;\">\n<p ><strong style=\"color:var(--color-brand);\">\uad6c\uc131 \uad50\ucc28 \ud655\uc778:<\/strong> \uc774\uac83\uc744 \uc0ac\uc6a9\ud558\uc138\uc694 <a href=\"https:\/\/sprocket-chain.net\/\" target=\"_blank\" rel=\"noopener\" style=\"color:var(--color-accent);font-weight:700;text-decoration:none;\">how to measure a sprocket<\/a> only to compare common construction terminology for measuring a sprocket for replacement; release the part from the actual chain, shaft, and controlled drawing.<\/p>\n<\/section>\n<div style=\"text-align:center;margin:0 0 44px;\"><a href=\"#contact\" style=\"display:inline-block;background:var(--color-accent);color:white;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:8px;\">\uc9c0\uc6d0\uc11c \uc138\ubd80 \uc815\ubcf4\ub97c \ubcf4\ub0b4\uc8fc\uc138\uc694<\/a><\/div>\n<section id=\"faq\" style=\"margin:0 0 50px;\">\n<h2 style=\"margin:0 0 18px;color:white !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-accent);border-bottom:2px solid var(--color-accent);padding:11px 15px;background:var(--color-brand);\">FAQ: Measuring a sprocket for replacement \u2014 practical engineering questions<\/h2>\n<details style=\"background:var(--color-neutral);border-left:4px solid var(--color-accent);border-radius:8px;padding:14px 16px;margin:0 0 10px;\">\n<summary style=\"color:var(--color-brand);font-weight:700;cursor:pointer;\">How do I measure a sprocket for replacement?<\/summary>\n<p >Start with tooth count and chain identification, then measure bore, keyway, hub diameter, length through bore, tooth or face width, row spacing if multi-strand, and the axial location of the tooth plane. Record wear separately from nominal geometry.<\/p>\n<\/details>\n<details style=\"background:var(--color-neutral);border-left:4px solid var(--color-accent);border-radius:8px;padding:14px 16px;margin:0 0 10px;\">\n<summary style=\"color:var(--color-brand);font-weight:700;cursor:pointer;\">Can I identify sprocket size from outside diameter?<\/summary>\n<p >Not by outside diameter alone. Outside diameter depends on both pitch and tooth count, and worn tooth tips can change the measurement. Count teeth and confirm the chain pitch and roller dimensions.<\/p>\n<\/details>\n<details style=\"background:var(--color-neutral);border-left:4px solid var(--color-accent);border-radius:8px;padding:14px 16px;margin:0 0 10px;\">\n<summary style=\"color:var(--color-brand);font-weight:700;cursor:pointer;\">How do I measure chain pitch on an installed sprocket drive?<\/summary>\n<p >Measure the chain rather than the sprocket when possible. Take a center-to-center measurement across several adjacent pin pitches under light tension, then divide by the number of pitches measured.<\/p>\n<\/details>\n<details style=\"background:var(--color-neutral);border-left:4px solid var(--color-accent);border-radius:8px;padding:14px 16px;margin:0 0 10px;\">\n<summary style=\"color:var(--color-brand);font-weight:700;cursor:pointer;\">What is the best way to measure a sprocket keyway?<\/summary>\n<p >Measure keyway width with calipers or gauge blocks and depth with a depth micrometer or depth feature suited to the bore. Reference the shaft standard or drawing because worn keyways can be wider than nominal.<\/p>\n<\/details>\n<details style=\"background:var(--color-neutral);border-left:4px solid var(--color-accent);border-radius:8px;padding:14px 16px;margin:0 0 10px;\">\n<summary style=\"color:var(--color-brand);font-weight:700;cursor:pointer;\">How do I measure sprocket face width on duplex or triplex sprockets?<\/summary>\n<p >Measure each tooth-row width and the center spacing between rows. Overall width alone is not enough because the chain must match the transverse row geometry.<\/p>\n<\/details>\n<details style=\"background:var(--color-neutral);border-left:4px solid var(--color-accent);border-radius:8px;padding:14px 16px;margin:0 0 10px;\">\n<summary style=\"color:var(--color-brand);font-weight:700;cursor:pointer;\">What information should be on a sprocket measurement sheet?<\/summary>\n<p >Include chain size and standard, tooth count, strand count, key diameters, bore and keyway, hub diameter and projection, face width and row spacing, material, wear condition, shaft rpm, and photos of both faces.<\/p>\n<\/details>\n<\/section>\n<section style=\"position:relative;overflow:hidden;border-radius:12px;background:var(--color-brand);background-image:url('https:\/\/5speedtransmission.com\/wp-content\/uploads\/2026\/07\/06B-1-Simplex-Sprocket-dimension-1.webp');background-size:cover;background-position:center;margin:0 0 24px;\">\n<div style=\"position:absolute;inset:0;background:black;opacity:0.70;\"><\/div>\n<div style=\"position:relative;padding:42px 30px;text-align:center;\">\n<p style=\"margin:0 0 8px;color:lightsteelblue;font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;\">\uc2a4\ud504\ub85c\ud0b7 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc9c0\uc6d0<\/p>\n<h2 style=\"margin:0 0 18px;color:white !important;font-size:27px;line-height:1.25;border-left:5px solid var(--color-accent);border-bottom:2px solid var(--color-accent);padding:11px 15px;background:var(--color-brand);\">Need to verify Measuring a sprocket for replacement before ordering?<\/h2>\n<p style=\"margin:0 auto 22px;color:gainsboro;max-width:720px;\">For measuring a sprocket for replacement, send chain designation or measurements, tooth count, shaft and hub data, duty, environment, and relevant wear photos so the tooth interface, mounting, material, and service constraints can be checked before release.<\/p>\n<p><a href=\"#contact\" style=\"display:inline-block;background:var(--color-accent);color:white;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:8px;\">\uc2a4\ud504\ub85c\ud0b7 \uc0ac\uc591\uc744 \ubcf4\ub0b4\uc8fc\uc138\uc694.<\/a><\/div>\n<\/section>\n<div style=\"border-top:1px solid gainsboro;padding:12px 0 34px;text-align:right;\"><span style=\"font-size:13px;color:var(--color-muted);font-style:italic;\">Cxm.<\/span><\/div>\n<p><\/main><\/article>","protected":false},"excerpt":{"rendered":"<p>SPROCKET ENGINEERING \u00b7 CHAIN DRIVE DESIGN \u00b7 FIELD VERIFICATION How to Measure a Sprocket for Replacement: Teeth, Pitch, Bore, Keyway, Hub, and Face Width Create a field record that identifies the chain interface, tooth count, pitch geometry, shaft connection, hub envelope, and face width before a replacement is ordered. sprocket measurementtooth countchain pitchsprocket bore Request [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[26],"tags":[],"class_list":["post-351","post","type-post","status-publish","format-standard","hentry","category-speed-transmission"],"_links":{"self":[{"href":"https:\/\/5speedtransmission.com\/ko\/wp-json\/wp\/v2\/posts\/351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/5speedtransmission.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/5speedtransmission.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/5speedtransmission.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/5speedtransmission.com\/ko\/wp-json\/wp\/v2\/comments?post=351"}],"version-history":[{"count":0,"href":"https:\/\/5speedtransmission.com\/ko\/wp-json\/wp\/v2\/posts\/351\/revisions"}],"wp:attachment":[{"href":"https:\/\/5speedtransmission.com\/ko\/wp-json\/wp\/v2\/media?parent=351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/5speedtransmission.com\/ko\/wp-json\/wp\/v2\/categories?post=351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/5speedtransmission.com\/ko\/wp-json\/wp\/v2\/tags?post=351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}