12B-1 Sprockets with Hub and Hardened Teeth for DIN 8187 Roller Chains (B-Series)
12B-1 sprockets with a hub and hardened teeth are designed for drives with all types of 12B-1 (3/4″ × 7/16″) 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.
12B-1-08-NK (3/4” × 7/16”) - 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.
4.36€ excl. VAT
5.28€ incl. VAT
12B-1-09-NK (3/4” × 7/16”) - 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.
5.17€ excl. VAT
6.25€ incl. VAT
12B-1-10-NK (3/4” × 7/16”) - 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.
5.83€ excl. VAT
7.06€ incl. VAT
12B-1-11-NK (3/4” × 7/16”) - 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.
5.93€ excl. VAT
7.17€ incl. VAT
12B-1-12-NK (3/4” × 7/16”) - 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.
6.39€ excl. VAT
7.73€ incl. VAT
12B-1-13-NK (3/4” × 7/16”) - 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.
7.67€ excl. VAT
9.28€ incl. VAT
12B-1-14-NK (3/4” × 7/16”) - 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.
8.94€ excl. VAT
10.82€ incl. VAT
12B-1-15-NK (3/4” × 7/16”) - 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.
10.22€ excl. VAT
12.36€ incl. VAT
12B-1-16-NK (3/4” × 7/16”) - 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.
11.71€ excl. VAT
14.17€ incl. VAT
12B-1-17-NK (3/4” × 7/16”) - 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.
13.08€ excl. VAT
15.83€ incl. VAT
12B-1-18-NK (3/4” × 7/16”) - 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.
13.55€ excl. VAT
16.39€ incl. VAT
12B-1-19-NK (3/4” × 7/16”) - 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.
14.31€ excl. VAT
17.31€ incl. VAT
12B-1-20-NK (3/4” × 7/16”) - 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.
15.05€ excl. VAT
18.21€ incl. VAT
12B-1-21-NK (3/4” × 7/16”) - 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.
19.06€ excl. VAT
23.06€ incl. VAT
12B-1-22-NK (3/4” × 7/16”) - 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.
19.85€ excl. VAT
24.02€ incl. VAT
12B-1-23-NK (3/4” × 7/16”) - 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.
20.90€ excl. VAT
25.29€ incl. VAT
12B-1-24-NK (3/4” × 7/16”) - 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.
21.83€ excl. VAT
26.42€ incl. VAT
12B-1-25-NK (3/4” × 7/16”) - 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.
22.59€ excl. VAT
27.34€ incl. VAT
12B-1-26-NK (3/4” × 7/16”) - 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.
24.97€ excl. VAT
30.21€ incl. VAT
12B-1-30-NK (3/4” × 7/16”) - 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.
29.25€ excl. VAT
35.40€ incl. VAT
Products are sorted by name in ascending order.
Sprockets Fields of Use
12B-1 sprockets with a hub and hardened teeth for DIN 8187 chains are designed for general use in light and medium-duty industries.
They are primarily used in drives but can also be utilized for lifting or material transport.
Sprockets Material
C43 steel.
Other materials available on request.
Sprockets Code Description
Example:
12B-1-25-NK (3/4″ × 7/16″) - 25 Teeth, with Hub, Hardened Teeth (Steel)
| Code Part | Description |
|---|---|
| 12B |
Chain type |
| 1 |
Simplex design |
| 25 |
Number of teeth |
| NK |
Design with hub and hardened teeth |
| 3/4″ × 7/16″ |
Pitch (in inches) × inner width (in inches) |
| 25 Teeth, with Hub, Hardened Teeth (Steel) |
Sprocket design and material |
Documents for Download
Dimensions and Parameters of 12B Sprockets with Hub and Hardened Teeth for DIN 8187 Roller Chains
TYMA CZ Data Sheets
Czech and English (PDF 751.80 kB)
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12B-1 Sprockets with Hub for DIN 8187 Roller Chains (B-Series)
12B Taper Lock Sprockets with Hardened Teeth for DIN 8187 Roller Chains (B-Series)
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