Our deep groove ball bearings deliver reliable performance in a wide range of applications and conditions. With super-finished raceways and controlled geometries, our premium design helps ensure consistent quality. Our portfolio includes standard, thin section, narrow, wide and miniature and extra-small deep groove ball bearings that span 3 mm to 400 mm bore sizes. The extended product line includes a complete offering of open, shields, seals and snap ring combinations.
Easy Interchange
Designed as metric bearings, our deep groove ball bearings follow ISO standards and are dimensionally interchangeable with competitor metric products.
Brass Cage Availability
Deep groove ball bearings with brass cages (available in select sizes) can deliver extra strength and durability in the most unrelenting conditions: extreme shock loads, high vibrations and high forces due to acceleration.
Quiet Running for Electric Motor Quality
Deep groove ball bearings are frequently used in electric motor applications to minimize vibration and noise.
| 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 | |||||||||||||||||||||||
| 633 | 633ZZ | - | - | 3 | 13 | 5 | 5 | 0.2 | 1300 | 485 | 133 | 49 | 40000 | - | 48000 | 4.6 | 6 | 11.4 | 11.3 | 0.2 | 0.2 | 3.38 | 3.33 | ||
| 634 | 634ZZ1 | - | - | 4 | 16 | 5 | 5 | 0.3 | 1730 | 670 | 177 | 68 | 36000 | - | 43000 | 6 | 7.5 | 14 | 13.8 | 0.3 | 0.3 | 5.24 | 5.21 | ||
| 635 | 635ZZ1 | 635VV | 635DD | 5 | 19 | 6 | 6 | 0.3 | 2340 | 885 | 238 | 90 | 32000 | 30000 | 40000 | 7 | 8.5 | 17 | 16.5 | 0.3 | 0.3 | 8.56 | 8.34 | ||
| 636 | 636ZZ | 636VV | 636DD | 6 | 22 | 7 | 7 | 0.3 | 3300 | 1370 | 335 | 140 | 30000 | 28000 | 36000 | 8 | 10.5 | 20 | 19 | 0.3 | 0.3 | 14 | 14 | ||
| 637 | 637ZZ1 | 637VV | 637DD | 7 | 26 | 9 | 9 | 0.3 | 4550 | 1970 | 465 | 201 | 28000 | 22000 | 34000 | 9 | 12.8 | 24 | 22.8 | 0.3 | 0.3 | 24 | 25 | ||
| 638 | 638ZZ1 | 638VV | 638DD | 8 | 28 | 9 | 9 | 0.3 | 4550 | 1970 | 465 | 201 | 28000 | 22000 | 34000 | 10 | 12.8 | 26 | 22.8 | 0.3 | 0.3 | 28.3 | 28.6 | ||
| 639 | 639ZZ | 639VV | - | 9 | 30 | 10 | 10 | 0.6 | 5100 | 2390 | 520 | 244 | 24000 | - | 30000 | 13 | 16.1 | 26 | 25.6 | 0.6 | 0.6 | 36.5 | 36 | ||
