| bearing Designation | Bore Diameter(d) | Outer Diameter (D) | Width(b) | Load Rating Cr(N) | Load Rating Cor(N) | Max.Speed (1000rpm) | Weight (g) | |||
| mm | in | mm | in | mm | in | Oil | ||||
| R1-4 | 1.984 | 5/64" | 6.35 | 1/4" | 2.38 | 3/32" | 284 | 96 | 80 | 0.4 |
| R133 | 2.38 | 3/32" | 4.762 | 3/16" | 1.588 | 0.0626" | 144 | 53 | 95 | 0.1 |
| R1-5 | 7.938 | 5/16" | 2.779 | 0.1094" | 552 | 176 | 71 | 0.6 | ||
| R144 | 3.175 | 6.35 | 1/4" | 2.38 | 3/32" | 284 | 96 | 80 | 0.27 | |
| R2-5 | 7.938 | 5/16" | 2.779 | 0.1094" | 558 | 180 | 67 | 0.5 | ||
| R2-6 | 1/8" | 9.525 | 3/8" | 2.779 | 0.1094" | 640 | 227 | 63 | 0.96 | |
| R2 | 9.525 | 3/8" | 3.967 | 5/32" | 631 | 219 | 67 | 1.04 | ||
| R2A | 12.7 | 1/2" | 4.366 | 0.1720" | 640 | 227 | 63 | 3.3 | ||
| R155 | 3.967 | 5/32" | 7.938 | 5/16" | 2.779 | 0.1094" | 359 | 150 | 63 | 0.51 |
| R156 | 4.762 | |||||||||