12B-2 Sprockets with Hub for DIN 8187 Roller Chains (B-Series)
12B-2 sprockets with a hub 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-2-08-N (3/4” × 7/16”) - 8 Teeth, with Hub (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.
5.54€ excl. VAT
6.70€ incl. VAT
12B-2-09-N (3/4” × 7/16”) - 9 Teeth, with Hub (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.
6.54€ excl. VAT
7.91€ incl. VAT
12B-2-10-N (3/4” × 7/16”) - 10 Teeth, with Hub (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.
7.08€ excl. VAT
8.57€ incl. VAT
12B-2-11-N (3/4” × 7/16”) - 11 Teeth, with Hub (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.
7.20€ excl. VAT
8.71€ incl. VAT
12B-2-12-N (3/4” × 7/16”) - 12 Teeth, with Hub (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.
8.48€ excl. VAT
10.26€ incl. VAT
12B-2-13-N (3/4” × 7/16”) - 13 Teeth, with Hub (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.
9.82€ excl. VAT
11.89€ incl. VAT
12B-2-14-N (3/4” × 7/16”) - 14 Teeth, with Hub (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.
11.42€ excl. VAT
13.82€ incl. VAT
12B-2-15-N (3/4” × 7/16”) - 15 Teeth, with Hub (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.
13.11€ excl. VAT
15.86€ incl. VAT
12B-2-16-N (3/4” × 7/16”) - 16 Teeth, with Hub (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.
14.80€ excl. VAT
17.91€ incl. VAT
12B-2-17-N (3/4” × 7/16”) - 17 Teeth, with Hub (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.
16.66€ excl. VAT
20.16€ incl. VAT
12B-2-18-N (3/4” × 7/16”) - 18 Teeth, with Hub (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.
18.77€ excl. VAT
22.71€ incl. VAT
12B-2-19-N (3/4” × 7/16”) - 19 Teeth, with Hub (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.
20.82€ excl. VAT
25.20€ incl. VAT
12B-2-20-N (3/4” × 7/16”) - 20 Teeth, with Hub (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.
22.78€ excl. VAT
27.57€ incl. VAT
12B-2-21-N (3/4” × 7/16”) - 21 Teeth, with Hub (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.
24.50€ excl. VAT
29.65€ incl. VAT
12B-2-22-N (3/4” × 7/16”) - 22 Teeth, with Hub (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.
26.09€ excl. VAT
31.57€ incl. VAT
12B-2-23-N (3/4” × 7/16”) - 23 Teeth, with Hub (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.
29.13€ excl. VAT
35.25€ incl. VAT
12B-2-24-N (3/4” × 7/16”) - 24 Teeth, with Hub (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.
30.72€ excl. VAT
37.18€ incl. VAT
12B-2-25-N (3/4” × 7/16”) - 25 Teeth, with Hub (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.
33.83€ excl. VAT
40.94€ incl. VAT
12B-2-26-N (3/4” × 7/16”) - 26 Teeth, with Hub (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.
35.70€ excl. VAT
43.20€ incl. VAT
12B-2-27-N (3/4” × 7/16”) - 27 Teeth, with Hub (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.
37.88€ excl. VAT
45.83€ incl. VAT
Products are sorted by name in ascending order.
Typical Applications
The 12B-2 sprockets with hub are designed for use especially in light and medium industry.
They are used in drives, but can also be used for lifting or transporting material.
Materials
C43 steel or grey cast iron.
Other materials available on request.
Sprocket Code Description
Example:
12B-2-20-N (3/4″ × 7/16″) - 20 Teeth, with Hub (Steel)
| Code Part | Description |
|---|---|
| 12B |
Chain type |
| 2 |
Duplex design |
| 20 |
Number of teeth |
| N |
Design with hub |
| 3/4″ × 7/16″ |
Pitch (in inches) × inner width (in inches) |
| 20 Teeth, with Hub (Steel) |
Sprocket design and material |
Documents for Download
Dimensions and Parameters of 12B Sprockets with Hub for DIN 8187 Roller Chains
TYMA CZ Data Sheets
Czech and English (PDF 146.32 kB)
Dimensions and Parameters of 12B Cast Iron Sprockets for DIN 8187 Roller Chains
TYMA CZ Data Sheets
Czech and English (PDF 158.21 kB)




