20B-2 Sprockets with Hub and Hardened Teeth for DIN 8187 Roller Chains (B-Series)
20B-2 sprockets with a hub and hardened teeth are designed for drives with all types of 20B-2 (1 1/4″ × 3/4″) duplex roller chains of the so-called European series (B-series), standardized to ISO 606 (DIN 8187).
Products are sorted by name in ascending order.
20B-2-13-NK (1 1/4” × 3/4”) - 13 Teeth, with Hub, Hardened Teeth (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.
1 491,80CZK excl. VAT
1 805,00CZK incl. VAT
20B-2-16-NK (1 1/4” × 3/4”) - 16 Teeth, with Hub, Hardened Teeth (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.
2 129,20CZK excl. VAT
2 576,40CZK incl. VAT
20B-2-17-NK (1 1/4” × 3/4”) - 17 Teeth, with Hub, Hardened Teeth (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.
2 331,40CZK excl. VAT
2 821,00CZK incl. VAT
20B-2-20-NK (1 1/4” × 3/4”) - 20 Teeth, with Hub, Hardened Teeth (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.
3 174,30CZK excl. VAT
3 840,90CZK incl. VAT
20B-2-21-NK (1 1/4” × 3/4”) - 21 Teeth, with Hub, Hardened Teeth (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.
3 377,80CZK excl. VAT
4 087,10CZK incl. VAT
20B-2-26-NK (1 1/4” × 3/4”) - 26 Teeth, with Hub, Hardened Teeth (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.
6 047,00CZK excl. VAT
7 316,90CZK incl. VAT
20B-2-30-NK (1 1/4” × 3/4”) - 30 Teeth, with Hub, Hardened Teeth (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.
6 186,90CZK excl. VAT
7 486,20CZK incl. VAT
20B-2-08-NK (1 1/4” × 3/4”) - 8 Teeth, with Hub, Hardened Teeth (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.
609,00CZK excl. VAT
736,90CZK incl. VAT
20B-2-09-NK (1 1/4” × 3/4”) - 9 Teeth, with Hub, Hardened Teeth (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.
748,90CZK excl. VAT
906,20CZK incl. VAT
20B-2-10-NK (1 1/4” × 3/4”) - 10 Teeth, with Hub, Hardened Teeth (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.
886,40CZK excl. VAT
1 072,60CZK incl. VAT
20B-2-11-NK (1 1/4” × 3/4”) - 11 Teeth, with Hub, Hardened Teeth (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.
1 078,70CZK excl. VAT
1 305,20CZK incl. VAT
20B-2-12-NK (1 1/4” × 3/4”) - 12 Teeth, with Hub, Hardened Teeth (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.
1 265,30CZK excl. VAT
1 531,00CZK incl. VAT
20B-2-14-NK (1 1/4” × 3/4”) - 14 Teeth, with Hub, Hardened Teeth (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.
1 708,80CZK excl. VAT
2 067,70CZK incl. VAT
20B-2-15-NK (1 1/4” × 3/4”) - 15 Teeth, with Hub, Hardened Teeth (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.
1 942,10CZK excl. VAT
2 349,90CZK incl. VAT
20B-2-18-NK (1 1/4” × 3/4”) - 18 Teeth, with Hub, Hardened Teeth (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.
2 546,70CZK excl. VAT
3 081,50CZK incl. VAT
20B-2-19-NK (1 1/4” × 3/4”) - 19 Teeth, with Hub, Hardened Teeth (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.
2 778,10CZK excl. VAT
3 361,50CZK incl. VAT
20B-2-22-NK (1 1/4” × 3/4”) - 22 Teeth, with Hub, Hardened Teeth (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.
3 633,40CZK excl. VAT
4 396,50CZK incl. VAT
20B-2-23-NK (1 1/4” × 3/4”) - 23 Teeth, with Hub, Hardened Teeth (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.
3 915,20CZK excl. VAT
4 737,40CZK incl. VAT
20B-2-24-NK (1 1/4” × 3/4”) - 24 Teeth, with Hub, Hardened Teeth (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.
4 192,00CZK excl. VAT
5 072,40CZK incl. VAT
20B-2-25-NK (1 1/4” × 3/4”) - 25 Teeth, with Hub, Hardened Teeth (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.
4 480,10CZK excl. VAT
5 420,90CZK incl. VAT
Products are sorted by name in ascending order.
Typical Applications
20B-2 sprockets with a hub and hardened teeth for DIN 8187 chains are designed for general use, particularly in medium-duty industries.
They are primarily used in drives but can also be utilized for lifting or material transport.
Materials
C43 steel.
Other materials available on request.
Sprocket Code Description
Example:
20B-2-26-NK (1 1/4″ × 3/4″) - 26 Teeth, with Hub, Hardened Teeth (Steel)
| Code Part | Description |
|---|---|
| 20B |
Chain type |
| 2 |
Duplex design |
| 26 |
Number of teeth |
| NK |
Design with hub and hardened teeth |
| 1 1/4″ × 3/4″ |
Pitch (in inches) × inner width (in inches) |
| 26 Teeth, with Hub, Hardened Teeth (Steel) |
Sprocket design and material |
Documents for Download
Dimensions and Parameters of 20B Sprockets with Hub and Hardened Teeth for DIN 8187 Roller Chains
TYMA CZ Data Sheets
Czech and English (PDF 763.16 kB)



