British Standard Chains
Precision Roller Chains
British standard chains are also known as metric chains. They are similar to ANSI chains in that the pitch is based on fractions of an inch, but they are different in some key dimensions. Dimensions are given in inches.
Item # |
Pitch (P) |
Roller Width (W) |
Roller Diameter (D) |
Riv. End to Center Line (A) |
Conn. End to Center Line (B) |
Link Plate Height (H) |
Link Plate Thickness (T) |
Pin Diameter (E) |
Avg. Ultimate Strength |
|---|---|---|---|---|---|---|---|---|---|
 | |||||||||
| 28B-S | Pitch (P) N/A 1.750 | Roller Width (W) N/A 1.220 | Roller Diameter (D) N/A 1.100 | Riv. End to Center Line (A) N/A 1.297 | Conn. End to Center Line (B) N/A 1.474 | Link Plate Height (H) N/A 1.460 | Link Plate Thickness (T) N/A 0.287 | Pin Diameter (E) N/A 0.626 | Avg. Ultimate Strength N/A 59,300 lb |
| 32B-S | Pitch (P) N/A 2.00 | Roller Width (W) N/A 1.220 | Roller Diameter (D) N/A 1.150 | Riv. End to Center Line (A) N/A 1.305 | Conn. End to Center Line (B) N/A 1.502 | Link Plate Height (H) N/A 1.665 | Link Plate Thickness (T) N/A 0.276 | Pin Diameter (E) N/A 0.701 | Avg. Ultimate Strength N/A 65,900 lb |
| 28B-SH | Pitch (P) N/A 1.750 | Roller Width (W) N/A 1.220 | Roller Diameter (D) N/A 1.100 | Riv. End to Center Line (A) N/A 1.335 | Conn. End to Center Line (B) N/A 1.551 | Link Plate Height (H) N/A 1.606 | Link Plate Thickness (T) N/A 0.287 | Pin Diameter (E) N/A 0.626 | Avg. Ultimate Strength N/A 71,600 lb |
| 32B-1 | Pitch (P) N/A 2.00 | Roller Width (W) N/A 1.220 | Roller Diameter (D) N/A 1.150 | Riv. End to Center Line (A) N/A 1.327 | Conn. End to Center Line (B) N/A 1.556 | Link Plate Height (H) N/A 1.662 | Link Plate Thickness (T) N/A 0.275 | Pin Diameter (E) N/A 0.703 | Avg. Ultimate Strength N/A 57,330 lb |
| 20B-2 | Pitch (P) N/A 1.250 | Roller Width (W) N/A 0.770 | Roller Diameter (D) N/A 0.750 | Riv. End to Center Line (A) N/A 1.493 | Conn. End to Center Line (B) N/A 1.670 | Link Plate Height (H) N/A 1.040 | Link Plate Thickness (T) N/A 0.175 | Pin Diameter (E) N/A 0.401 | Avg. Ultimate Strength N/A 44,100 lb |
| 40B-S | Pitch (P) N/A 2.500 | Roller Width (W) N/A 1.500 | Roller Diameter (D) N/A 1.550 | Riv. End to Center Line (A) N/A 1.626 | Conn. End to Center Line (B) N/A 2.028 | Link Plate Height (H) N/A 2.085 | Link Plate Thickness (T) N/A 0.323 | Pin Diameter (E) N/A 0.901 | Avg. Ultimate Strength N/A 93,600 lb |
| 16B-3 | Pitch (P) N/A 1.000 | Roller Width (W) N/A 0.670 | Roller Diameter (D) N/A 0.625 | Riv. End to Center Line (A) N/A 1.959 | Conn. End to Center Line (B) N/A 2.058 | Link Plate Height (H) N/A 0.830 | Link Plate Thickness (T) N/A 0.157 | Pin Diameter (E) N/A 0.326 | Avg. Ultimate Strength N/A 47,410 lb |
| 24B-2 | Pitch (P) N/A 1.50 | Roller Width (W) N/A 1.000 | Roller Diameter (D) N/A 1.00 | Riv. End to Center Line (A) N/A 1.989 | Conn. End to Center Line (B) N/A 2.219 | Link Plate Height (H) N/A 1.315 | Link Plate Thickness (T) N/A 0.219 | Pin Diameter (E) N/A 0.576 | Avg. Ultimate Strength N/A 64,390 lb |
| 48B-S | Pitch (P) N/A 3.000 | Roller Width (W) N/A 1.800 | Roller Diameter (D) N/A 1.900 | Riv. End to Center Line (A) N/A 1.951 | Conn. End to Center Line (B) N/A 2.364 | Link Plate Height (H) N/A 2.515 | Link Plate Thickness (T) N/A 0.472 | Pin Diameter (E) N/A 1.151 | Avg. Ultimate Strength N/A 141,000 lb |
| 20B-3 | Pitch (P) N/A 1.250 | Roller Width (W) N/A 0.770 | Roller Diameter (D) N/A 0.750 | Riv. End to Center Line (A) N/A 2.216 | Conn. End to Center Line (B) N/A 2.413 | Link Plate Height (H) N/A 1.040 | Link Plate Thickness (T) N/A 0.175 | Pin Diameter (E) N/A 0.401 | Avg. Ultimate Strength N/A 66,150 lb |
