20B Plate Wheels for DIN 8187 Roller Chains (B Series)
20B plate wheels (20B flat sprockets without hub) are designed for drives with all types of 20B (1 1/4″ × 3/4″) roller chains of the so-called European series (B-series), standardized to ISO 606 (DIN 8187). They are available in simplex, duplex, and triplex design.
20B-1 (Simplex)
20B-2 (Duplex)
20B-3 (Triplex)
Sprockets Fields of Use
The 20B (1 1/4″ × 3/4″) plate wheels are designed for general use in heavy industry.
They are used in drives, but can also be used for lifting or transporting material.
Sprockets Material
C43 steel.
Other materials on request.
Sprockets Code Description
Example:
20B-1-20-P (1 1/4 × 3/4) - 20 Teeth, without Hub (Steel)
Code Part | Description |
---|---|
20B |
Chain type |
1 |
Simplex design |
20 |
Number of teeth |
P |
Flat design without a hub (also known as a plate wheel or chain disc) |
1 1/4 × 3/4 |
Pitch (in inches) × inner width (in inches) |
20 Teeth, without Hub (Steel) |
Sprocket design and material |
Documents for Download
Dimensions and Parameters of 20B Plate Wheels for DIN 8187 Roller Chains
TYMA CZ Data Sheets
Czech and English (PDF 301.67 kB)