20B-3 Sprockets with Hub for DIN 8187 Roller Chains (B-Series)
20B-3 sprockets with a hub are designed for drives with all types of 20B-3 (1 1/4″ × 3/4″) 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.
20B-3-08-N (1 1/4″ × 3/4″) - 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.
30.85€ excl. VAT
37.33€ incl. VAT
20B-3-09-N (1 1/4″ × 3/4″) - 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.
37.32€ excl. VAT
45.16€ incl. VAT
20B-3-10-N (1 1/4″ × 3/4″) - 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.
45.09€ excl. VAT
54.56€ incl. VAT
20B-3-11-N (1 1/4″ × 3/4″) - 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.
54.49€ excl. VAT
65.94€ incl. VAT
20B-3-12-N (1 1/4″ × 3/4″) - 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.
63.60€ excl. VAT
76.95€ incl. VAT
20B-3-13-N (1 1/4″ × 3/4″) - 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.
73.38€ excl. VAT
88.79€ incl. VAT
20B-3-14-N (1 1/4″ × 3/4″) - 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.
83.85€ excl. VAT
101.46€ incl. VAT
20B-3-15-N (1 1/4″ × 3/4″) - 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.
87.94€ excl. VAT
106.41€ incl. VAT
20B-3-16-N (1 1/4″ × 3/4″) - 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.
98.03€ excl. VAT
118.62€ incl. VAT
20B-3-17-N (1 1/4″ × 3/4″) - 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.
115.56€ excl. VAT
139.83€ incl. VAT
20B-3-18-N (1 1/4″ × 3/4″) - 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.
126.86€ excl. VAT
153.50€ incl. VAT
20B-3-19-N (1 1/4″ × 3/4″) - 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.
139.13€ excl. VAT
168.34€ incl. VAT
20B-3-20-N (1 1/4″ × 3/4″) - 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.
151.49€ excl. VAT
183.31€ incl. VAT
20B-3-21-N (1 1/4″ × 3/4″) - 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.
168.43€ excl. VAT
203.80€ incl. VAT
20B-3-22-N (1 1/4″ × 3/4″) - 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.
181.81€ excl. VAT
219.99€ incl. VAT
20B-3-23-N (1 1/4″ × 3/4″) - 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.
196.58€ excl. VAT
237.86€ incl. VAT
20B-3-24-N (1 1/4″ × 3/4″) - 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.
211.30€ excl. VAT
255.67€ incl. VAT
20B-3-25-N (1 1/4″ × 3/4″) - 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.
226.59€ excl. VAT
274.18€ incl. VAT
20B-3-26-N (1 1/4″ × 3/4″) - 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.
244.60€ excl. VAT
295.97€ incl. VAT
20B-3-27-N (1 1/4″ × 3/4″) - 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.
261.74€ excl. VAT
316.71€ incl. VAT
Products are sorted by name in ascending order.
Typical Applications
The 20B-3 sprockets with hub are designed for use especially in 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:
20B-3-20-N (1 1/4″ × 3/4″) - 20 Teeth, with Hub (Steel)
| Code Part | Description |
|---|---|
| 20B |
Chain type |
| 3 |
Triplex design |
| 20 |
Number of teeth |
| N |
Design with hub |
| 1 1/4″ × 3/4″ |
Pitch (in inches) × inner width (in inches) |
| 20 Teeth, with Hub (Steel) |
Sprocket design and material |
Documents for Download
Dimensions and Parameters of 20B Sprockets with Hub for DIN 8187 Roller Chains
TYMA CZ Data Sheets
Czech and English (PDF 147.10 kB)
Dimensions and Parameters of 20B Cast Iron Sprockets for DIN 8187 Roller Chains
TYMA CZ Data Sheets
Czech and English (PDF 158.09 kB)




