20B-1 Roller chain made to ISO R606 is 1 1/4 ” or 31.75mm pitch it is available in single strand 20B-1 duplex 20B-2 and triplex 20B-3. It is possible to have the chain up to 6 strands wide.
|Chain No. DIN||P x W||Pitch P||Width|
|Roller Dia R||Sideplates|
|Transverse Pitch C||Avg. Ultimate Strength|
|FB (N)||Approx Weight kg/m|
|20B-1||1 1/4 x 3/4″||31.75||19.56||19.05||26.00||26.00||3.50||4.40||10.18||20.50||–||23.50||–||95.000||117.720||3.85|
Note – These are basic roller chain dimensions for the ISOI standard if sizes are critical then please ask for more detailed of roller chain size information or drawings.