- Idler sprockets maintain proper tension in roller chain transmission.
- The teeth are hardened to provide excellent durability.
- Combine the idler, pin and tightener to adjust the chain stretch.
Specifications in detail
Chain No.: 50
Number of teeth: 12
Outer diameter (mm): 69
Reference circle diameter (mm): 61.34
Boss diameter (mm): 43
Inner diameter (mm): 12
Shape: C-shape
Total width (mm): 16
Compatible bearing: 6201ZZ
Suitable idler shaft: IDP6201
KANA ID50C12D12
