Pitch x inner width p x b1 (mm): 31.75 x 19.56 | Connecting link width a1 max. (mm): 77.8 | Inner plate thickness si (mm): 4.5 | Pitch x inner width p x b1: 31.75 x 19.56 | ISO no.: 20 B-2 | Pin Ø d2 max. (mm): 10.19 Read more.
DONGHUA Duplex roller chain 20 B-2, 31.75 x 19.56 mm
Technical data:
