20B-1 Sprockets with Hub and Hardened Teeth for DIN 8187 Roller Chains (B Series)
20B-1 sprockets with a hub and hardened teeth 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).
Products are sorted by name in ascending order.
20B-1-11-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.
19.85€ excl. VAT
24.02€ incl. VAT
20B-1-18-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.
50.30€ excl. VAT
60.86€ incl. VAT
20B-1-20-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.
57.72€ excl. VAT
69.85€ incl. VAT
20B-1-21-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.
71.68€ excl. VAT
86.74€ incl. VAT
20B-1-24-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.
84.67€ excl. VAT
102.45€ incl. VAT
20B-1-28-NK (1 1/4 × 3/4) - 28 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.
109.51€ excl. VAT
132.51€ incl. VAT
20B-1-12-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.
29.89€ excl. VAT
36.17€ incl. VAT
20B-1-13-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.
35.55€ excl. VAT
43.01€ incl. VAT
20B-1-14-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.
41.04€ excl. VAT
49.66€ incl. VAT
20B-1-15-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.
37.98€ excl. VAT
45.95€ incl. VAT
20B-1-16-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.
46.39€ excl. VAT
56.13€ incl. VAT
20B-1-17-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.
58.73€ excl. VAT
71.06€ incl. VAT
20B-1-35-NK (1 1/4 × 3/4) - 35 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.
158.42€ excl. VAT
191.69€ incl. VAT
Products are sorted by name in ascending order.
Sprockets Fields of Use
20B-1 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.
Sprockets Material
Steel C43.
Other materials available on request.
Sprockets Code Description
Example:
20B-1-35-NK (1 1/4 × 3/4) - 35 Teeth, with Hub, Hardened Teeth (Steel)
| Code Part | Description |
|---|---|
| 20B |
Chain type |
| 1 |
Simplex design |
| 35 |
Number of teeth |
| NK |
Design with hub and hardened teeth |
| 1 1/4 × 3/4 |
Pitch (in inches) × inner width (in inches) |
| 35 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)
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Dimensions in inches: 1 1/4" × 3/4"
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Sliding blocks, sprockets with screw and idler sprockets for tensioning of industrial roller chains during operation.
Sliding Chain Guides for Separate Mounting
Standard chain sliding guides fixed separately directly on the machines.
