12B Roller Chain
12B British Standard Roller Chain Dimensions
12B roller chain is a 3/4" pitch metric size chain that is manufactured to conform to all BS / DIN / ISO dimensional standards. Special orders for 12B roller chain are available for qualified OEM's & resellers. Contact us for a quote.
12B Roller Chain Dimension Chart
| Chain Number | Pitch | Roller Diameter | Inner Width | Pin Diameter | Link Plate Height | Plate Thickness | Overall Width |
|---|---|---|---|---|---|---|---|
| # | P | d1 | b1 | d2 | h2 | T | L |
| 12B | 3/4" (19.05mm) |
0.475" (12.07mm) |
0.460" (11.68mm) |
0.225" (5.72mm) |
0.637" (16mm) |
0.070" (1.85mm) |
0.885" (22.50mm) |
| 12B-2 | 3/4" (19.05mm) |
0.475" (12.07mm) |
0.460" (11.68mm) |
0.225" (5.72mm) |
0.637" (16mm) |
0.070" (1.85mm) |
1.653" (42mm) |
| 12B-3 | 3/4" (19.05mm) |
0.475" (12.07mm) |
0.460" (11.68mm) |
0.225" (5.72mm) |
0.637" (16mm) |
0.070" (1.85mm) |
2.421" (61.5mm) |
