62 series metric miniature ball bearings are small precision bearings that are widely used in equipment that require high speed, low noise and low friction, such as micro motors, medical equipment, office equipment and industrial instruments. This type of bearing usually has a smaller outer diameter and is suitable for compact space design. It is a deep groove ball bearing in structure and can withstand radial and certain axial loads. The 62 series has good rotation accuracy and durability. The commonly used materials are high-quality steel or stainless steel. Sealed or open designs can be selected as needed to adapt to different working environments, extend service life and improve operating efficiency.
Product parameters
| Designation | Principal dimensions（mm） | Basic load ratings(N) | Basic load ratings{kgf} | Speed ratings(rpm) | Abutment and fillet dimensions (mm) | Weight(g) | |||||||||||||||||
| With shiled | Open type | With seal VV | With seal DD | d | D | B | B1 | r(min) | Cr | Cor | Cr | Cor | Grease | Oil | da(min) | db(max) | Da(Max) | Db(min) | ra(max) | rb(max) | Open type | With shiled | |
| ZZ | D·D | Z | |||||||||||||||||||||
| 623 | 623ZZ | - | - | 3 | 10 | 4 | 4 | 0.15 | 630 | 218 | 64 | 22 | 50000 | - | 60000 | 4.2 | 4.3 | 8.8 | 8 | 0.15 | 0.15 | 1.65 | 1.66 |
| 624 | 624ZZ | - | - | 4 | 13 | 5 | 5 | 0.2 | 1300 | 485 | 133 | 49 | 40000 | - | 48000 | 5.6 | 6 | 11.4 | 11.3 | 0.2 | 0.2 | 3.03 | 3.04 |
| 625 | 625ZZ1 | 625VV | 625DD | 5 | 16 | 5 | 5 | 0.3 | 1730 | 670 | 177 | 68 | 36000 | 32000 | 43000 | 7 | 7.5 | 14 | 13.8 | 0.3 | 0.3 | 4.95 | 4.86 |
| 626 | 626ZZ1 | 626VV | 626DD | 6 | 19 | 6 | 6 | 0.3 | 2340 | 885 | 238 | 90 | 32000 | 30000 | 40000 | 8 | 8.5 | 17 | 16.5 | 0.3 | 0.3 | 8.15 | 7.94 |
| 627 | 627ZZ | 627VV | 627DD | 7 | 22 | 7 | 7 | 0.3 | 3300 | 1370 | 335 | 140 | 30000 | 28000 | 36000 | 9 | 10.5 | 20 | 19 | 0.3 | 0.3 | 12.7 | 12.9 |
| 628 | 628ZZ | 628VV | 628DD | 8 | 24 | 8 | 8 | 0.3 | 3350 | 1430 | 340 | 146 | 28000 | 24000 | 34000 | 10 | 12 | 22 | 20.5 | 0.3 | 0.3 | 17.2 | 17.4 |
| 629 | 629ZZ | 629VV | 629DD | 9 | 26 | 8 | 8 | -0.6 | 4550 | 1970 | 465 | 201 | 28000 | 22000 | 34000 | 11 | 12.8 | 24 | 22.8 | 0.3 | 0.3 | 19.5 | 19.3 |
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