12B Taper Bored Sprockets for DIN 8187 Roller Chains (B Series)
12B Taper Bored sprockets are an essential part of chain transmissions for all roller chain types according to DIN 8187 – European B series.
Depending on the chain type, the sprockets may be simplex, duplex or triplex.
Sprockets Fields of Use
12B taper bored sprockets are designed for general use in light and heavy industry.
They are used in drives, but can also be used for lifting or transporting material.
Other materials on request.
Sprockets Code Description
12B-1-20-TB 2012 (3/4 × 29/64, steel)
Type of chain
Number of teeth
Taper Lock bushes design
Type of bush
|3/4 × 29/64||
Pitch of teeth in inches × internal width of the chain in inches
Documents for Download
TYMA CZ Data Sheets
Czech and English (PDF 176.29 kB)
TYMA CZ Catalogue
Czech (PDF 2.01 MB)