12B-3 Sprockets with Hub for DIN 8187 Roller Chains (B Series)
12B-3 sprockets with a hub are designed for drives with all types of 12B-3 (3/4″ × 7/16″) triplex 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-3-08-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.
8.18€ excl. VAT
9.90€ incl. VAT
12B-3-09-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.
8.18€ excl. VAT
9.90€ incl. VAT
12B-3-10-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.
11.17€ excl. VAT
13.52€ incl. VAT
12B-3-11-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.
13.69€ excl. VAT
16.57€ incl. VAT
12B-3-12-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.
14.80€ excl. VAT
17.91€ incl. VAT
12B-3-13-N (3/4 × 7/16) - 13 Teeth, with Hub (Steel)
Sprocket
In Stock We update the stock availability information every 2 hours.
The goods we have in stock are usually ready for shipping or personal collection no later than the next working day. In case of personal collection, please do not come to pick the goods up before we contact you that the goods are ready.
14.80€ excl. VAT
17.91€ incl. VAT
12B-3-14-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.
17.22€ excl. VAT
20.84€ incl. VAT
12B-3-15-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.
19.50€ excl. VAT
23.59€ incl. VAT
12B-3-16-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.
21.98€ excl. VAT
26.59€ incl. VAT
12B-3-17-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.
24.65€ excl. VAT
29.82€ incl. VAT
12B-3-18-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.
27.42€ excl. VAT
33.17€ incl. VAT
12B-3-19-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.
30.55€ excl. VAT
36.97€ incl. VAT
12B-3-20-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.
33.45€ excl. VAT
40.47€ incl. VAT
12B-3-21-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.
35.89€ excl. VAT
43.43€ incl. VAT
12B-3-22-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.
38.54€ excl. VAT
46.63€ incl. VAT
12B-3-23-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.
43.31€ excl. VAT
52.41€ incl. VAT
12B-3-24-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.
46.04€ excl. VAT
55.70€ incl. VAT
12B-3-25-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.
50.57€ excl. VAT
61.19€ incl. VAT
12B-3-26-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.
53.46€ excl. VAT
64.69€ incl. VAT
12B-3-27-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.
56.91€ excl. VAT
68.86€ incl. VAT
Products are sorted by name in ascending order.
Sprockets Fields of Use
The 12B-3 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.
Sprockets Material
C43 steel or grey cast iron.
Other materials available on request.
Sprockets Code Description
Example:
12B-3-20-N (3/4 × 7/16) - 20 Teeth, with Hub (Steel)
| Code Part | Description |
|---|---|
| 12B |
Chain type |
| 3 |
Triplex 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)
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Dimensions in inches: 3/4" × 29/64"
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