12B-2 Sprockets with Hub and Hardened Teeth for DIN 8187 Roller Chains (B-Series)
12B-2 sprockets with a hub and hardened teeth are designed for drives with all types of 12B-2 (3/4″ × 7/16″) 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.
12B-2-11-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.
232,10CZK excl. VAT
280,80CZK incl. VAT
12B-2-12-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.
275,60CZK excl. VAT
333,40CZK incl. VAT
12B-2-13-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.
319,10CZK excl. VAT
386,10CZK incl. VAT
12B-2-14-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.
369,60CZK excl. VAT
447,20CZK incl. VAT
12B-2-15-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.
416,80CZK excl. VAT
504,30CZK incl. VAT
12B-2-16-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.
587,90CZK excl. VAT
711,40CZK incl. VAT
12B-2-17-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.
528,70CZK excl. VAT
639,70CZK incl. VAT
12B-2-18-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.
593,40CZK excl. VAT
718,00CZK incl. VAT
12B-2-19-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.
658,20CZK excl. VAT
796,40CZK incl. VAT
12B-2-20-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.
722,80CZK excl. VAT
874,60CZK incl. VAT
12B-2-21-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.
777,50CZK excl. VAT
940,80CZK incl. VAT
12B-2-24-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.
973,50CZK excl. VAT
1 178,00CZK incl. VAT
12B-2-25-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.
1 072,40CZK excl. VAT
1 297,60CZK incl. VAT
12B-2-30-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.
1 423,80CZK excl. VAT
1 722,80CZK incl. VAT
12B-2-32-NK (3/4” × 7/16”) - 32 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.
1 633,60CZK excl. VAT
1 976,60CZK incl. VAT
12B-2-35-NK (3/4” × 7/16”) - 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.
1 868,10CZK excl. VAT
2 260,40CZK incl. VAT
12B-2-40-NK (3/4” × 7/16”) - 40 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.
2 315,90CZK excl. VAT
2 802,30CZK incl. VAT
12B-2-08-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.
150,50CZK excl. VAT
182,10CZK incl. VAT
12B-2-09-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.
175,40CZK excl. VAT
212,30CZK incl. VAT
12B-2-10-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.
191,00CZK excl. VAT
231,10CZK incl. VAT
Products are sorted by name in ascending order.
Sprockets Characteristics
12B-2 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-2-25-NK (3/4″ × 7/16″) - 25 Teeth, with Hub, Hardened Teeth (Steel)
| Code Part | Description |
|---|---|
| 12B |
Chain type |
| 2 |
Duplex 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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Standard chain sliding guides fixed separately directly on the machines.