20B-1 Taper Lock Sprockets for DIN 8187 Roller Chains (B Series)
20B-1 taper bored sprockets are designed for drives with all types of 20B-1 (1 1/4″ × 3/4″) simplex roller chains of the so-called European series (B-series), standardized to ISO 606 (DIN 8187).
The sprockets are mounted on the shaft using Taper Lock bushes, which ensure a secure and precise fit. Additionally, the keyway provides reliable axial fixation against displacement.
Products are sorted by name in ascending order.
20B-1-13-T (1 1/4” × 3/4”) - 13 Teeth, TB 2012 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
668,20CZK excl. VAT
808,50CZK incl. VAT
20B-1-14-T (1 1/4” × 3/4”) - 14 Teeth, TB 2012 (Steel)
Sprocket
At Supplier
On Request The delivery time will be determined after receiving information about up-to-date availability from our suppliers. Please, fill in your email address and the required number of pieces and submit the form on the product page. Estimated time of shipping will be answered along with the price by email.
Price on Request The sprocket price is calculated after receiving information about up-to-date prices from our suppliers. Please, fill in your email address and the required number of pieces and submit the form on the product page. The price and delivery conditions will be answered by email.
20B-1-15-T (1 1/4” × 3/4”) - 15 Teeth, TB 2517 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 058,80CZK excl. VAT
1 281,10CZK incl. VAT
20B-1-16-T (1 1/4” × 3/4”) - 16 Teeth, TB 2517 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 142,10CZK excl. VAT
1 381,90CZK incl. VAT
20B-1-17-T (1 1/4” × 3/4”) - 17 Teeth, TB 2517 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 231,10CZK excl. VAT
1 489,60CZK incl. VAT
20B-1-18-T (1 1/4” × 3/4”) - 18 Teeth, TB 2517 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 325,00CZK excl. VAT
1 603,20CZK incl. VAT
20B-1-19-T (1 1/4” × 3/4”) - 19 Teeth, TB 2517 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 423,30CZK excl. VAT
1 722,10CZK incl. VAT
20B-1-20-T (1 1/4” × 3/4”) - 20 Teeth, TB 2517 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 549,60CZK excl. VAT
1 875,00CZK incl. VAT
20B-1-21-T (1 1/4” × 3/4”) - 21 Teeth, TB 2517 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 667,20CZK excl. VAT
2 017,30CZK incl. VAT
20B-1-22-T (1 1/4” × 3/4”) - 22 Teeth, TB 3020 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 735,50CZK excl. VAT
2 099,90CZK incl. VAT
20B-1-23-T (1 1/4” × 3/4”) - 23 Teeth, TB 3020 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 856,20CZK excl. VAT
2 246,00CZK incl. VAT
20B-1-24-T (1 1/4” × 3/4”) - 24 Teeth, TB 3020 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
1 990,60CZK excl. VAT
2 408,60CZK incl. VAT
20B-1-25-T (1 1/4” × 3/4”) - 25 Teeth, TB 2517 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
2 127,50CZK excl. VAT
2 574,30CZK incl. VAT
20B-1-26-T (1 1/4” × 3/4”) - 26 Teeth, TB 3020 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
2 439,70CZK excl. VAT
2 952,00CZK incl. VAT
20B-1-27-T (1 1/4” × 3/4”) - 27 Teeth, TB 3020 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
2 928,00CZK excl. VAT
3 542,90CZK incl. VAT
20B-1-28-T (1 1/4” × 3/4”) - 28 Teeth, TB 3020 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
3 189,20CZK excl. VAT
3 858,90CZK incl. VAT
20B-1-29-T (1 1/4” × 3/4”) - 29 Teeth, TB 3020 (Steel)
Sprocket
Sold Out The goods are currently unavailable. We do not have information about the date of its future availability yet. Therefore, it is not possible to order.
Price is Unavailable
20B-1-30-T (1 1/4” × 3/4”) - 30 Teeth, TB 3020 (Steel)
Sprocket
At Supplier
Within 2 Weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.
3 348,60CZK excl. VAT
4 051,80CZK incl. VAT
20B-1-31-T (1 1/4” × 3/4”) - 31 Teeth, TB 3020 (Steel)
Sprocket
Sold Out The goods are currently unavailable. We do not have information about the date of its future availability yet. Therefore, it is not possible to order.
Price is Unavailable
20B-1-32-T (1 1/4” × 3/4”) - 32 Teeth, TB 3020 (Steel)
Sprocket
Sold Out The goods are currently unavailable. We do not have information about the date of its future availability yet. Therefore, it is not possible to order.
Price is Unavailable
Products are sorted by name in ascending order.
Sprockets Fields of Use
20B-1 taper bored sprockets are designed for general use in light and heavy industry.
They are used in drives, but can also be used for lifting or transporting material.
Sprockets Material
C43 steel or grey cast iron.
Other materials available on request.
Sprockets Code Description
Example:
20B-1-28-T (1 1/4″ × 3/4″) - 28 Teeth, TB 3020 (Steel)
| Code Part | Description |
|---|---|
| 20B |
Type of chain |
| 1 |
Simplex design |
| 28 |
Number of teeth |
| T |
Design with tapered bore (Taper Lock) |
| 1 1/4″ × 3/4″ |
Pitch in inches × inner width in inches |
| 28 Teeth, TB 3020 (Steel) |
Sprocket design, Taper Lock bush type and material of the sprocket |
Documents for Download
Dimensions and Parameters of 20B Taper Bored Sprockets for DIN 8187 Roller Chains
TYMA CZ Data Sheets
Czech and English (PDF 152.11 kB)
Dimensions and Parameters of Cast Iron Taper Bored Sprockets for DIN 8187 Roller Chains
TYMA CZ Data Sheets
Czech and English (PDF 610.29 kB)
Related Products
Taper Lock Bushes
Taper Lock bushes with finished metric or inch bore and keyway to fixing components to a mating shaft without using any special tools.
20B Taper Lock Sprockets with Hardened Teeth for DIN 8187 Roller Chains (B Series)
20B-1 Roller Chains According to DIN 8187
Universal Chain Tensioners
Sliding blocks, sprockets with screw and idler sprockets for tensioning of industrial roller chains during operation.
