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.
60.64€ excl. VAT
73.37€ 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.
86.55€ excl. VAT
104.73€ 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.
94.77€ excl. VAT
114.67€ 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.
129.04€ excl. VAT
156.13€ 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.
137.31€ excl. VAT
166.14€ 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.
245.81€ excl. VAT
297.43€ 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.
251.50€ excl. VAT
304.31€ 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.
24.75€ excl. VAT
29.95€ 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.
30.44€ excl. VAT
36.84€ 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.
36.03€ excl. VAT
43.60€ 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.
43.85€ excl. VAT
53.06€ 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.
51.43€ excl. VAT
62.23€ 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.
69.46€ excl. VAT
84.05€ 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.
78.94€ excl. VAT
95.52€ 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.
103.52€ excl. VAT
125.26€ 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.
112.93€ excl. VAT
136.65€ 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.
147.70€ excl. VAT
178.72€ 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.
159.15€ excl. VAT
192.57€ 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.
170.41€ excl. VAT
206.19€ 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.
182.11€ excl. VAT
220.36€ 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)



