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Powerlong supply 62 series mininature ball bearing including 623,624,625,626,627,628 and 629. They are single row deep groove ball bearing.
| select | Inquiry | 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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