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Inch Size Ball Bearings >>
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| Bearing No. | Bore | O.D | Width | Mass (approximately) | ||||||
| d | D | B | (Kg) | |||||||
| mm | in. | mm | in. | mm | in. | ZrO2 | Si3N4 | PLASTIC | 440c | |
| 1601 | 4.763 | 3/16 | 17.463 | 11/16 | 6.35 | 1/4 | 0.0038 | 0.0021 | 0.0009 | 0.005 |
| 1602 | 6.35 | 1/4 | 17.463 | 11/16 | 6.35 | 1/4 | 0.0046 | 0.0025 | 0.0011 | 0.006 |
| 1603 | 7.938 | 1/32 | 22.225 | 7/8 | 7.144 | 9/32 | 0.0085 | 0.0045 | 0.002 | 0.011 |
| 1604 | 9.525 | 3/8 | 22.225 | 7/8 | 7.144 | 9/32 | 0.01 | 0.0053 | 0.0023 | 0.013 |
| 1605 | 7.938 | 7/16 | 23.019 | 29/32 | 7.938 | 5/16 | 0.0031 | 0.0016 | 0.0007 | 0.004 |
| 1606 | 9.525 | 3/8 | 23.019 | 29/32 | 7.938 | 5/16 | 0.0115 | 0.0062 | 0.0027 | 0.015 |
| 1607 | 11.113 | 7/16 | 23.019 | 29/32 | 7.938 | 5/16 | 0.0123 | 0.0066 | 0.0029 | 0.016 |
| 1614 | 9.525 | 3/8 | 28.575 | 1 1/8 | 9.525 | 3/8 | 0.022 | 0.0117 | 0.0051 | 0.0286 |
| 1615 | 11.113 | 7/16 | 28.575 | 1 1/8 | 9.525 | 3/8 | 0.0205 | 0.011 | 0.0048 | 0.0267 |
| 1616 | 12.7 | 1/2 | 28.575 | 1 1/8 | 9.525 | 3/8 | 0.19 | 0.1013 | 0.0443 | 0.247 |
| 1620 | 11.113 | 7/16 | 34.925 | 1 3/8 | 11.113 | 7/16 | 0.04 | 0.0213 | 0.0093 | 0.052 |
| 1621 | 12.7 | 1/2 | 34.925 | 1 3/8 | 11.113 | 7/16 | 0.0377 | 0.0201 | 0.0088 | 0.049 |
| 1622 | 14.288 | 9/16 | 34.925 | 1 3/8 | 11.113 | 7/16 | 0.0357 | 0.019 | 0.0083 | 0.0464 |
| 1623 | 15.875 | 5/8 | 34.925 | 1 3/8 | 11.113 | 7/16 | 0.0332 | 0.0177 | 0.0078 | 0.0432 |
| 1628 | 15.875 | 5/8 | 41.275 | 1 5/8 | 12.7 | 1/2 | 0.0606 | 0.0323 | 0.0141 | 0.0788 |
| 1630 | 19.05 | 3/4 | 41.275 | 1 5/8 | 12.7 | 1/2 | 0.0599 | 0.032 | 0.014 | 0.0779 |
| 1633 | 15.875 | 5/8 | 44.45 | 1 3/4 | 12.7 | 1/2 | 0.0769 | 0.041 | 0.0179 | 0.1 |
| 1635 | 19.05 | 3/4 | 44.45 | 1 3/4 | 12.7 | 1/2 | 0.0703 | 0.0375 | 0.0164 | 0.0914 |
| R2 | 3.175 | 1/8 | 9.525 | 3/8 | 3.967 | 5/32 | 0.0011 | 0.0006 | 0.0003 | 0.0014 |
| R2A | 3.175 | 1/8 | 12.7 | 1/2 | 4.366 | 11/64 | 0.0022 | 0.0012 | 0.0005 | 0.0029 |
| R3 | 4.762 | 3/16 | 12.7 | 1/2 | 3.967 | 5/32 | 0.0018 | 0.001 | 0.0004 | 0.0024 |
| R4 | 6.35 | 1/4 | 15.875 | 5/8 | 4.978 | 0.196 | 0.0035 | 0.0019 | 0.0008 | 0.0046 |
| R4A | 6.35 | 1/4 | 19.05 | 3/4 | 5.556 | 7/32 | 0.0054 | 0.0029 | 0.0013 | 0.007 |
| R6 | 9.525 | 3/8 | 22.225 | 7/8 | 5.556 | 7/32 | 0.0085 | 0.0045 | 0.002 | 0.011 |
| R8 | 12.7 | 1/2 | 28.575 | 1 1/8 | 6.35 | 1/4 | 0.0108 | 0.0057 | 0.0025 | 0.014 |
| R10 | 15.875 | 5/8 | 34.525 | 1 3/8 | 7.144 | 9/32 | 0.0215 | 0.0115 | 0.005 | 0.028 |
| R12 | 19.05 | 3/4 | 41.275 | 1 5/8 | 7.938 | 5/16 | 0.0323 | 0.0172 | 0.0075 | 0.042 |
| R14 | 22.225 | 7/8 | 47.625 | 1 7/8 | 9.525 | 3/8 | 0.0554 | 0.0295 | 0.0129 | 0.072 |
| R16 | 25.4 | 1 | 50.8 | 2 | 9.525 | 3/8 | 0.0654 | 0.0349 | 0.0153 | 0.085 |
| R18 | 28.575 | 1 1/8 | 53.975 | 2 1/8 | 9.525 | 3/8 | 0.0654 | 0.0349 | 0.0153 | 0.085 |
| R20 | 31.75 | 1 1/4 | 57.15 | 2 1/4 | 9.525 | 3/8 | 0.0638 | 0.0341 | 0.0149 | 0.083 |
| R22 | 34.925 | 1 3/8 | 63.5 | 2 1/2 | 11.113 | 7/16 | 0.1038 | 0.0554 | 0.0242 | 0.135 |
| R24 | 38.1 | 1 1/2 | 66.675 | 2 5/8 | 11.113 | 7/16 | 0.1108 | 0.0591 | 0.0258 | 0.144 |