Avrupa Standardı Dişli Çarklar ve Disk Dişliler | Simplex Duplex Triplex DIN 8187

standart-dişliler-ve-tekerlekler-1

Korea Ever-Power stocks the full range of European standard sprockets and platewheels to DIN 8187 / ISO R606 — simplex, duplex and triplex, chain sizes 03B through 24B, tooth counts Z=8 to Z=125. C45 carbon steel with hardened tooth flanks. Stock bore, finished bore, taper bore and platewheel configurations. Factory-direct to 50+ countries.

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European Standard Sprockets – Product Overview

Kore'nin Daimi Gücü European standard sprockets and platewheels cover the complete DIN 8187 / ISO R606 roller chain series from 03B-1 (5 mm pitch) to 24B-1 (38.1 mm pitch). Every sprocket is machined from C45 carbon steel with induction-hardened tooth flanks, giving consistent wear resistance across the rated load and speed range. The tooth profile is machined to match the ISO 606 geometry exactly, ensuring full engagement with any compliant European standard roller chain and minimising wear at the chain-tooth contact over the life of the drive.

The range covers three strand configurations. Simplex sprockets (single-strand) engage one chain run and are the most common type for general industrial conveyor, agricultural and process drives. Duplex sprockets (double-strand) carry two parallel chain strands side by side on one hub, allowing higher torque or speed ratios in the same shaft-to-shaft centre distance. Triplex sprockets extend this to three strands for the highest load applications — commonly used in heavy conveyor drives, marine chain systems and high-power agricultural equipment where a single chain strand would require an excessively large pitch.

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Platewheels are a variant within this series where the sprocket tooth spaces are filled — producing a solid disc profile rather than recessed pockets between teeth. They are used with flat-top conveyor chain, slat chain and any attachment chain where the chain links project beyond the standard roller envelope. The solid disc face prevents attachment plates or slats from snagging in the recesses and ensures smooth, low-vibration chain passage at the sprocket.

All sprockets in this series are supplied in stock bore (unfinished bore) as standard — allowing the installer to machine the bore, keyway and tolerance to match the exact shaft diameter. Pre-bored and taper bush-mounted variants are listed separately and described in the related products section below.

Matching Avrupa standartlarında makaralı zincir — from 03B simplex through to 24B triplex — is available in standard, heavy-duty, stainless steel and self-lubricating variants to DIN 8187 and ISO R606.

Boyut anahtarı: P = Pitch (mm)  |  Roller Ø = Roller diameter (mm)  |  B1 = Inner width between plates min (mm)  |  de = Tip diameter (mm)  |  dp = Pitch diameter (mm)  |  dm = Max hub diameter (mm)  |  D1 = Stock bore max (mm)  |  r₃ = Tooth radius (mm)  |  C = Radius width (mm)  |  H suffix = Heavy plate  |  Simplex = 1-strand  |  Duplex = 2-strand  |  Triplex = 3-strand

European Standard Sprocket Chain Series – Dimensions

All dimensions to DIN 8187 / ISO R606. Simplex (1-strand) dimensions shown. For duplex and triplex, overall width increases by 1× and 2× the strand spacing respectively; tooth profiles identical to simplex.

06B-1-Simplex-Sprocket-dimension-1

Zincir Boyutu P (mm) Roller Ø (mm) B1 min (mm) r₃ (mm) C (mm) Z min Z max (stock) Strand Options
03B-1 5.00 2.50 2.30 5 0.6 8 125 Simplex
04B-1 6.00 3.20 2.60 6 0.7 8 114 Simplex
05B-1 8.00 5.00 3.00 8 0.8 8 114 Simplex
06B-1/2/3 9.525 6.35 5.72 6 0.7 8 125 Tek Katlı / Çift Katlı / Üç Katlı
08B-1/2/3 12.70 8.51 7.75 8 0.9 8 125 Tek Katlı / Çift Katlı / Üç Katlı
10B-1/2/3 15.875 10.16 9.65 10 1.0 8 125 Tek Katlı / Çift Katlı / Üç Katlı
12B-1/2/3 19.05 11.91 11.68 12 1.2 8 125 Tek Katlı / Çift Katlı / Üç Katlı
16B-1/2/3 25.40 15.88 15.70 16 1.5 8 114 Tek Katlı / Çift Katlı / Üç Katlı
20B-1/2/3 31.75 19.05 18.90 20 1.8 8 114 Tek Katlı / Çift Katlı / Üç Katlı
24B-1/2/3 38.10 22.23 25.40 24 2.0 8 114 Tek Katlı / Çift Katlı / Üç Katlı

Additional chain series 28B, 32B, 40B, 48B and 56B available on request. Non-standard tooth counts above Z=125 and below Z=8 available for OEM production — contact us with your drawing. Tooth counts from Z=66 and above, plate height increases by H=4mm on 03B, and similar increments apply to larger series — consult full dimensional tables on request.

06B-1 Simplex Sprocket – Representative Dimensional Table

Chain: 06B-1  |  Pitch P = 9.525 mm  |  Roller Ø = 6.35 mm  |  Inner width B1 = 5.72 mm  |  Material: C45 steel  |  Standard: DIN 8187 / ISO R606

Z (Dişler) de (mm) dp (mm) dm (mm) D1 Stock Bore (mm) A (mm)
8 18.0 15.67 9.8 5 10
9 19.9 17.54 11.5 5 10
10 21.7 19.42 13 6 10
11 23.6 21.30 14 6 10
12 25.4 23.18 16 8 10
13 27.3 25.05 18 8 10
15 31.0 28.86 20 8 10
17 35.0 32.65 20 8 13
19 38.8 36.44 20 8 13
20 40.7 38.34 25 8 13
25 50.2 47.87 25 8 15
30 59.8 57.42 30 8 15
38 75.0 72.66 40 8 18
40 78.9 76.47 40 8 18
57 111.4 108.93 50 8 20

European Standard Sprockets – Key Technical Features

DIN 8187 / ISO R606 Tooth Profile

Every sprocket is machined to the ISO 606 tooth profile geometry — the same standard used by European roller chain manufacturers. This ensures full geometric interchangeability with any DIN 8187 or ISO R606 compliant chain, regardless of chain manufacturer, without tooth-entry shock or accelerated wear at the chain-tooth contact.

C45 Steel – Induction-Hardened Tooth Flanks

The stock material is C45 medium carbon steel. Tooth flanks are induction-hardened after machining to provide a hard wear-resistant surface at the chain-tooth contact zone while retaining a tough core. Surface hardness is typically 52–58 HRC at the flank, falling to the core hardness of 180–220 HB through the hub section — giving the right combination of wear resistance and impact resistance.

Simplex, Duplex and Triplex Configurations

For a given shaft centre distance and sprocket diameter, a duplex drive carries approximately 1.7× the load of an equivalent simplex drive, and a triplex drive approximately 2.4×. This allows a higher drive rating in an existing mounting without changing sprocket diameters, shaft spacings or chain pitch. Multi-strand sprockets must be paired with the correct strand count of duplex or triplex roller chain — single-strand chain must never be run on a duplex or triplex sprocket.

Platewheels for Attachment Chain

Platewheels replace the recessed tooth spaces with a solid disc, providing a flat running surface for flat-top chain, slat chain and attachment chain where extended pins or attachments project beyond the normal roller envelope. The solid face prevents mechanical interference between attachments and the sprocket body — critical in food processing conveyor and slat conveyor drives running ISO 606-compatible attachment chain.

Stock Bore – Maximum Flexibility

Stock bore sprockets are supplied with the bore unfinished — ready to be bored, reamed and keyway-broached to the exact shaft diameter, tolerance class and keyway dimensions required. This is the correct choice when shaft diameters fall outside the finished bore range, when a non-standard tolerance is required, or when the installer's workshop can carry out the machining at lower cost than ordering a custom-bored sprocket.

Full OEM and Custom Tooth Count Production

Non-standard tooth counts — below Z=8 or above Z=125, or any count not listed in the standard tables — are produced to order. Submit a drawing or specify the required pitch, tooth count, bore and hub geometry. Browse the tam dişli çark yelpazesi or contact our engineering team directly for OEM production with dimensional reports and material certificates.


Korea Ever-Power sprocket production CNC gear hobbing and machining facility

Uygulamalar

Industrial Conveyor Systems

Drive and take-up sprockets for horizontal, inclined and vertical roller chain conveyor systems. 06B to 16B simplex and duplex sprockets cover the majority of light-to-medium industrial conveyor drive applications. 20B and 24B triplex for high-load conveyors in quarry, mining and heavy processing plants where a larger pitch is not practical.

Agricultural & Harvester Machinery

Combine harvesters, balers, mowers and post-hole diggers use European standard DIN 8187 chain drives extensively. 08B to 16B simplex and duplex sprockets for header drives, straw walkers, grain augers and PTO-driven attachments. Platewheel variants for combines running flat-top or slat elevator chain in the grain tank unloading system.

Gıda İşleme ve Paketleme

06B and 08B simplex platewheels and sprockets for flat-top conveyor chain in bottling, packaging and food processing lines. Stainless steel 304 and 316 variants are listed separately in our stainless sprocket range for washdown and direct food-contact applications.

Construction & Material Handling

Bucket elevator drives, concrete plant conveyors, crane travel drives and crusher chain drives. 16B to 24B duplex and triplex for high-load, low-speed drives typical in quarry, cement and aggregate handling plant. Cast iron variants available for abrasive, dusty environments — see our dökme demir dişli çark serisi.

Korea Ever-Power sprocket dimensional inspection and quality control

How to Select the Right European Standard Sprocket

European standard roller chain types and sprocket selection guide

Selecting the correct European standard sprocket involves four steps:

  1. Identify the chain size. Read the chain designation from the chain link plate — it will be marked as 06B, 08B, 10B or similar. If no marking is visible, measure the pitch (pin-to-pin distance) and compare to the pitch column in the specification table above.
  2. Count the strands. A single-strand chain requires a simplex sprocket (-1 suffix). Two parallel strands require a duplex sprocket (-2 suffix). Three strands require a triplex sprocket (-3 suffix).
  3. Determine the tooth count. For a given drive ratio and centre distance, the tooth count on drive and driven sprockets determines the speed reduction. Standard practice is to use a drive sprocket of 17–19 teeth minimum for smooth running.
  4. Choose the bore type. For shafts in standard diameters, consider our finished bore sprocket series for immediate fit. For taper-bush mounting, see our taper bore range. For all other shaft sizes, stock bore sprockets machined to your exact diameter are the standard choice.

If you have a worn sprocket or chain sample and need a confirmed match, send dimensions or photographs to our engineering team — we will identify the correct chain size and sprocket specification for you before placing an order.

European vs American vs Asian Standard – Quick Comparison

Confirming the correct chain standard before ordering a sprocket prevents the most common drive compatibility failure. See the tam dişli çark yelpazesi if you need the American ANSI or Asian JIS equivalent.

Özellik European DIN 8187 American ANSI B29.1 Asian JIS B1801
Pitch designation 06B, 08B, 10B… (mm) No.25, No.35, No.40… (inch) 25A, 35A, 40A… (JIS)
08B-1 pitch 12.70 mm 12.70 mm (No.40) 12.70 mm (40A)
08B inner width 7.75 mm 7.94 mm (5/16") 7.94 mm
08B roller diameter 8.51 mm 7.92 mm (5/16") 7.92 mm
Interchangeable at same pitch? No — different roller diameters and inner widths mean European and American/JIS chains of the same pitch are NOT interchangeable and will not run on each other's sprockets
Birincil pazarlar Europe, Middle East, ANZ, many export markets North America, South America Japan, Korea, Taiwan, ASEAN

Eşleştirme Zinciri ve İlgili Ürünler

European standard roller chain DIN 8187 ISO R606 simplex duplex 03B to 24B

Matching Drive Chain — European Standard

The correct counterpart to every sprocket in this range. Precision roller chain in European DIN 8187 / ISO R606 — 03B through 24B, simplex, duplex and triplex. Also available: stainless steel 304/316, self-lubricating, nickel-plated and heavy-duty H-series variants.

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Sıkça Sorulan Sorular

What is the difference between DIN 8187 and ISO R606 sprockets?
DIN 8187 is the German standard for short pitch roller chains and corresponding sprocket tooth profiles, and ISO R606 (now ISO 606) is the international standard that covers the same range. In practice they are equivalent — the tooth geometry, pitch dimensions, roller diameter and inner width specified in both standards are the same. A sprocket marked DIN 8187 will run on any chain marked ISO 606 of the same chain size, and vice versa. Korea Ever-Power European standard sprockets are manufactured to conform to both standards simultaneously.
Can I use a European standard sprocket with an American ANSI chain of the same pitch?
No — and this is a common source of drive failures. Although 08B-1 and ANSI No.40 chain both have a 12.70 mm pitch, the roller diameter differs: 08B has an 8.51 mm roller, while ANSI No.40 has a 7.92 mm (5/16") roller. The tooth profile of a DIN 8187 sprocket is designed around the larger 8.51 mm roller — running ANSI No.40 chain on a DIN 8187 sprocket produces poor tooth contact, incorrect seating and accelerated wear on both the chain and sprocket. Always use European chain on European sprockets and ANSI chain on ANSI sprockets. Our American standard ANSI sprocket range covers No.25 through No.200.
What tooth count should I use for my drive sprocket?
The minimum recommended drive sprocket tooth count for smooth running is 17 teeth — below 17 the polygon effect of a chain engaging successive teeth becomes noticeable as speed and load variation in the chain. For most industrial drives with moderate speed ratios (up to 5:1), a drive sprocket of 17 to 25 teeth is standard. For high-speed drives (over 200 rpm at the drive sprocket) a tooth count of 21 or higher is preferred to reduce chordal action. The driven sprocket tooth count is determined by the required speed ratio: driven Z = drive Z × (output speed / input speed).
What is the maximum bore available for stock bore sprockets?
Maximum stock bore depends on the chain size and tooth count — the hub diameter (dm) limits how large the bore can be before the hub wall becomes too thin. For a 06B-1 sprocket with Z=20, the hub dm is 25 mm, giving a practical maximum bore of around 20–22 mm. For larger tooth counts in the same chain size, dm increases, allowing a larger bore. The D1 (stock bore max) column in the specification tables lists the catalogue maximum — larger bores on lower tooth counts require a custom hub extension or a move to a larger chain size. Contact us with your bore requirement if you are near the catalogue limit for your tooth count.
Can you supply non-standard or OEM tooth counts not listed in the tables?
Yes. The tables above list the standard production range. Custom tooth counts — including Z above 125 or any non-listed count — are produced by CNC gear hobbing to your specified tooth count, bore and hub geometry. Minimum order for non-standard tooth counts is typically 5 pieces, but single prototypes can be quoted — contact us. Lead time for non-catalogue sprockets is 10 to 20 working days depending on the chain size. Dimensional inspection reports and material certificates are available for OEM production batches.
Do you supply sprockets with duplex or triplex chains where only one strand is needed now but may expand later?
Yes — it is common practice in conveyor design to fit a duplex sprocket now while running a single simplex chain strand, leaving the second tooth row unused but ready. When drive load requirements increase in future, a second chain strand can be added to the existing sprocket without any shaft or sprocket change. This is a cost-effective way to build future capacity into the drive at the initial installation stage. Inform us when ordering if you are running simplex chain on a duplex sprocket so we can ensure the hub geometry accommodates both possible chain runs.

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★★★★★

"We run 06B-3 triplex chain drives on our aggregate conveyor system. After switching to Korea Ever-Power sprockets we've gone from replacing sprockets every 14 months to a 26-month replacement interval on the same drive with the same chain. The tooth profile and hardness are clearly better than what we were using before."

T.W., Plant Engineer
Germany – Aggregate Processing

★★★★★

"We needed 12B-1 platewheels for our slat conveyor in a food processing line. Korea Ever-Power confirmed the correct platewheel specification from our chain sample, supplied with correct hub dimensions and our required bore. All 12 platewheels fitted first time with no adjustments."

R.M., Maintenance Manager
Netherlands – Food Processing

★★★★★

"As a machinery distributor supplying the Australian and New Zealand agricultural market, I stock 08B and 10B simplex sprockets in the 15–25 tooth range as fast-moving replacement parts. Korea Ever-Power gives me consistent quality, correct DIN 8187 dimensions, and lead times that keep my stock levels manageable."

B.A., Managing Director
Australia – Agricultural Machinery Distribution

Request a Quotation for European Standard Sprockets

Provide the chain size (e.g. 08B-1), tooth count, strand configuration (simplex / duplex / triplex or platewheel), and your required bore or taper bush size. For non-catalogue tooth counts or OEM quantities, include your drawing. Our engineering team responds within one working day.

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