20B Roller Chain
20B British Standard Roller Chain Dimensions
20B roller chain is a 1-1/4" pitch metric size chain that is manufactured to conform to all BS / DIN / ISO dimensional standards. Special orders for 20B roller chain are available for qualified OEM's & resellers. Contact us for a quote.
20B 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 |
| 20B | 1-1/4" (31.75mm) |
0.750" (19.05mm) |
0.770" (19.56mm) |
0.401" (10.19mm) |
1.039" (26.40mm) |
0.177" (4.50mm) |
1.626" (41.30mm) |
20B-2 | 1-1/4" (31.75mm) |
0.750" (19.05mm) |
0.770" (19.56mm) |
0.401" (10.19mm) |
1.039" (26.40mm) |
0.177" (4.50mm) |
3.063" (77.8mm) |
| 20B-3 | 1-1/4" (31.75mm) |
0.750" (19.05mm) |
0.770" (19.56mm) |
0.401" (10.19mm) |
1.039" (26.40mm) |
0.177" (4.50mm) |
4.496" (114.2mm) |
$188.27
Item ID: RC20B-1R-10FT
33 In Stock
Incoming Stock:
20
/units
$557.61
Item ID: RC20B-2R-10FT
2 In Stock
Incoming Stock:
30
/units