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20B-2-12-N (1 1/4 × 3/4) - Sprocket with Hub (Steel)


Price for you :

Price without VAT: 47.66

Price including VAT: 57.67 with VAT

Catalogue price excluding VAT:

At supplier, we usually ship within 2 weeks Usual time this product is ready for shipping. Actual availability may vary due to unforeseen circumstances in exceptional cases.

Sprocket Parameters

Profile: 20B-2
No. of grooves/teeth: z=12 No. of grooves/teeth
V-pulleys and Poly-V pulleys number of grooves, timing pulleys and sprockets number of teeth.
Bore (mm): 20
Brand: - Brand: -
This standardized product may come from different manufacturers. We will provide you with the currently supplied brand upon request.
Weight (kg): 7.050
Pitch diameter Dw (mm): 122,67
Width (mm): 54,60 Width (mm)
Face width.
Material: Steel Material
In the TYMA Product Catalogues you can find this material also described with the abbreviation ST.

Sprocket Description

20B-2-12-N (1 1/4 × 3/4) - Sprocket with Hub (Steel) is an essential part of chain transmissions for all types of 20B roller chains according to DIN 8187 – European B series. Theese sprockets are duplex.

Sprocket Fields of Use

The 20B-2 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.

Sprocket Material

Steel C43.

Other materials to order.

Documents for Download

Chains - Preview


TYMA CZ Catalogue

Czech (PDF 2.01 MB)

Sprockets and Plate Wheels - Preview

Sprockets and Plate Wheels

TYMA CZ Catalogue

Czech and English (PDF 3.77 MB)

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