The 69 series metric miniature ball bearing is a high-precision bearing widely used in various mechanical equipment. The inner diameter of this kind of bearing usually ranges from 3mm to 10mm, and the outer diameter ranges from 6mm to 18mm, making it suitable for applications where space is limited. The design features of the 69 Series include low friction, long life and high load-bearing capacity, enabling stable operation at higher speeds. This series of bearings uses high-quality materials, usually stainless steel or galvanized steel, to ensure resistance to corrosion and wear. In addition, 69 series miniature ball bearings have multiple types of seal designs (such as seals or openings) to adapt to different working environments. They are widely used in power tools, home appliances, model toys, medical equipment and other fields. Due to their compact and flexible nature, 69 series bearings can improve the overall performance and reliability of equipment and are an important part of modern industrial and consumer electronics products.
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 | |||||||||||||||||||||
| 691 | - | - | - | 1 | 4 | 1.6 | - | 0.1 | 38 | 35 | 14 | 3.5 | 100000 | - | 120000 | 1.8 | - | 3.2 | - | 0.1 | - | 0.09 | - |
| 691X | 691XZZ | - | - | 1.5 | 5 | 2 | 2.6 | 0.15 | 237 | 69 | 24 | 7 | 85000 | - | 100000 | 2.7 | 2.5 | 3.8 | 4.3 | 0.15 | 0.15 | 0.17 | 0.2 |
| 692 | 692ZZ | - | - | 2 | 6 | 2.3 | 3 | 0.15 | 330 | 98 | 34 | 10 | 75000 | - | 90000 | 3.2 | 3 | 4.8 | 5.4 | 0.15 | 0.15 | 0.28 | 0.38 |
| 692X | 692XZZ | - | - | 2.5 | 7 | 25 | 3.5 | 15 | 385 | 127 | 39 | 13 | 63000 | - | 75000 | 3.7 | 3.8 | 5.8 | 6.2 | 0.15 | 0.15 | 0.41 | 0.55 |
| 693 | 693ZZ | - | - | 3 | 8 | 3 | 4 | 0.15 | 560 | 179 | 57 | 18 | 60000 | - | 67000 | 4.2 | 4.3 | 6.8 | 7.3 | 0.15 | 0.15 | 0.61 | 0.83 |
| 694 | 694ZZ | - | - | 4 | 11 | 4 | 4 | 0.15 | 960 | 345 | 98 | 35 | 48000 | - | 56000 | 5.2 | 5.6 | 9.8 | 9.9 | 0.15 | 0.15 | 1.7 | 1.75 |
| 695 | 695ZZ | 695VV | 695DD | 5 | 13 | 4 | 4 | 0.2 | 1080 | 430 | 110 | 44 | 43000 | 40000 | 50000 | 6.6 | 6.6 | 11.4 | 11.2 | 0.2 | 0.2 | 2.45 | 2.5 |
| 696 | 696ZZ1 | 696VV | 696DD | 6 | 15 | 5 | 5 | 0.2 | 1730 | 670 | 177 | 68 | 40000 | 36000 | 45000 | 7.6 | 7.9 | 13.4 | 13.3 | 0.2 | 0.2 | 3.88 | 3.72 |
| 697 | 697ZZ1 | 697VV | 697DD | 7 | 17 | 5 | 5 | 0.3 | 1610 | 710 | 164 | 73 | 36000 | 28000 | 43000 | 9 | 10.2 | 15 | 14.8 | 0.3 | 0.3 | 5.26 | 5.12 |
| 698 | 698ZZ | 698VV | 698DD | 8 | 19 | 6 | 6 | 0.3 | 2240 | 910 | 228 | 93 | 36000 | 28000 | 43000 | 10 | 10 | 17 | 16.5 | 0.3 | 0.3 | 7.23 | 7.18 |
| 699 | 699ZZ1 | 699VV | 699DD | 9 | 20 | 6 | 6 | 0.3 | 1720 | 840 | 175 | 86 | 34000 | 24000 | 40000 | 11 | 12 | 18 | 17.2 | 0.3 | 0.3 | 8.45 | 8.33 |
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