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12B Sprockets for DIN 8187 Roller Chains (B Series)

12B sprockets with hub are an essential part of chain transmissions for all types of 12B roller chains according to DIN 8187 – European B series.

Depending on the chain type, the sprockets may be simplex, duplex or triplex.

12B-1

Sprockets with hub for chain to DIN 8187
Pitch × Internal width (mm): 19.050 × 11.68

Standard diameters do (mm): 49.78 - 576.17

12B-2

Sprockets with hub for chain to DIN 8187
Pitch × Internal width (mm): 19.050 × 11.68

Standard diameters do (mm): 49.78 - 576.17

12B-3

Sprockets with hub for chain to DIN 8187
Pitch × Internal width (mm): 19.050 × 11.68

Standard diameters do (mm): 49.78 - 576.17


Sprockets Fields of Use

The 12B 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

Steel C43.

Other materials to order.

Sprockets Code Description

Example:
12B-1-20-N (3/4 × 7/16) - Sprocket with Hub (Steel)

Code Part Description
12B

Type of chain

1

Simplex

20

Number of teeth

N

With-hub design

3/4 × 7/16

Pitch of teeth in inches × internal width of the chain in inches

Sprocket with Hub (Steel)

Sprocket design and material

Documents for Download

Chains - Preview

Chains

TYMA CZ Catalogue

Czech (PDF 2.01 MB)

Sprockets and Plate Wheels - Preview

Sprockets and Plate Wheels

TYMA CZ Catalogue

Czech and English (PDF 2.81 MB)