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Deep Groove Ball Bearings >>
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| Boundary dimensions | Mass(Kg) | Bearing Number | |||||||
| d | D | B | rs min | (Approx.) | XLB | ||||
| in | mm | in | mm | in | mm | in | mm | ||
| 3/64 | 1.191 | 5/32 | 3.969 | 0.0626 | 1.59 | 0.004 | 0.10 | 0.09 | R0 |
| 0.055 | 1.397 | 3/16 | 4.763 | 0.0780 | 1.98 | 0.004 | 0.10 | 0.17 | R1 |
| 3/32 | 2.381 | 3/16 | 4.763 | 0.0626 | 1.59 | 0.004 | 0.10 | 0.12 | R133 |
| 5/64 | 1.984 | 1/4 | 6.350 | 0.0937 | 2.38 | 0.004 | 0.10 | 0.35 | R1-4 |
| 1/8 | 3.175 | 1/4 | 6.350 | 0.0937 | 2.38 | 0.004 | 0.10 | 0.27 | R144 |
| 3/32 | 2.381 | 5/16 | 7.938 | 0.1094 | 2.78 | 0.006 | 0.15 | 0.50 | R1-5 |
| 5/32 | 3.969 | 5/16 | 7.938 | 0.1094 | 2.78 | 0.004 | 0.10 | 0.50 | R155 |
| 3/16 | 4.763 | 5/16 | 7.938 | 0.1094 | 2.78 | 0.004 | 0.10 | 0.50 | R156 |
| 3/16 | 4.763 | 3/8 | 9.525 | 0.1252 | 3.18 | 0.004 | 0.10 | 1.00 | R166 |
| 1/4 | 6.350 | 3/8 | 9.525 | 0.1252 | 3.18 | 0.004 | 0.10 | 0.50 | R168 |
| 1/4 | 6.350 | 1/2 | 12.700 | 0.1252 | 3.18 | 0.006 | 0.15 | 1.80 | R188 |
| 1/8 | 3.175 | 3/8 | 9.525 | 0.1563 | 3.97 | 0.012 | 0.30 | 1.50 | R2 |
| 1/8 | 3.175 | 5/16 | 7.938 | 0.1094 | 2.78 | 0.004 | 0.10 | 1.00 | R2-5 |
| 1/8 | 3.175 | 3/8 | 9.525 | 0.1094 | 2.78 | 0.006 | 0.15 | 1.00 | R2-6 |
| 1/8 | 3.175 | 1/2 | 12.700 | 0.1720 | 4.37 | 0.012 | 0.30 | 3.20 | R2A |
| 3/16 | 4.763 | 1/2 | 12.700 | 0.1563 | 3.97 | 0.012 | 0.30 | 2.30 | R3 |
| 3/16 | 4.763 | 5/8 | 15.875 | 0.1961 | 4.98 | 0.012 | 0.30 | 2.70 | R3A |
| 1/4 | 6.350 | 5/8 | 15.875 | 0.1961 | 4.98 | 0.012 | 0.30 | 4.50 | R4 |
| 1/4 | 6.350 | 3/4 | 19.050 | 0.2189 | 5.56 | 0.016 | 0.40 | 7.70 | R4A |