small ball bearing miniature ball bearing miniature bearing bearing 688zz micro ball bearing tiny ball bearing mini ball bearing miniature ball
| d | D | B | rs min | r1s min | Cr | Cor | Grease | oil | (Approx.) | |
| 25 | 42 | 9 | 0.3 | 0.15 | 7.85 | 5.4 | 25 000 |
33 000 |
0.042 | 7905C | 30 | 47 | 9 | 0.3 | 0.15 | 8.3 | 6.25 | 21 000 |
28 000 |
0.048 | 7906C |
| 35 | 55 | 10 | 0.6 | 0.3 | 13.2 | 9.65 | 19 000 |
25 000 |
0.073 | 7907C | 40 | 62 | 12 | 0.6 | 0.3 | 14 | 11.1 | 17 000 |
22 000 |
0.109 | 7908C |
| 45 | 68 | 12 | 0.6 | 0.3 | 17.3 | 14.1 | 15 000 |
20 000 |
0.126 | 7909C | 50 | 72 | 12 | 0.6 | 0.3 | 18.3 | 15.8 | 14 000 |
18 000 |
0.131 | 7910C |
| 55 | 80 | 13 | 1 | 0.6 | 19.1 | 17.7 | 12 000 |
16 000 |
0.178 | 7911C | 60 | 85 | 13 | 1 | 0.6 | 20 | 19.5 | 11 000 |
15 000 |
0.191 | 7912C |
| 65 | 90 | 13 | 1 | 0.6 | 20.2 | 20.4 | 11 000 |
14 000 |
0.204 | 7913C | 70 | 100 | 16 | 1 | 0.6 | 28.9 | 29 | 9 900 |
13 000 |
0.331 | 7914C |
| 75 | 105 | 16 | 1 | 0.6 | 29.4 | 30.5 | 9 200 |
12 000 |
0.35 | 7915C | 80 | 110 | 16 | 1 | 0.6 | 29.8 | 31.5 | 8 600 |
12 000 |
0.37 | 7916C |
| 85 | 120 | 18 | 1.1 | 0.6 | 40 | 42.5 | 8 100 |
11 000 |
0.523 | 7917C | 90 | 125 | 18 | 1.1 | 0.6 | 39.5 | 42.5 | 7 700 |
10 000 |
0.549 | 7918C |
| 95 | 130 | 18 | 1.1 | 0.6 | 41 | 46 | 7 300 |
9 700 |
0.574 | 7919C | 100 | 140 | 20 | 1.1 | 0.6 | 53 | 58.5 | 6 900 |
9 100 |
0.778 | 7920C |
| 105 | 145 | 20 | 1.1 | 0.6 | 54 | 61.5 | 6 500 |
8 700 |
0.81 | 7921C | 110 | 150 | 20 | 1.1 | 0.6 | 54.5 | 63.5 | 6 200 |
8 300 |
0.843 | 7922C |
| 120 | 165 | 22 | 1.1 | 0.6 | 67.5 | 78.5 | 5 700 |
7 600 |
1.38 | 7924C | 130 | 180 | 24 | 1.5 | 1 | 82.5 | 98 | 5 200 |
7 000 |
1.82 | 7926C |
| 140 | 190 | 24 | 1.5 | 1 | 83.5 | 101 | 4 800 |
6 400 |
1.94 | 7928C | 150 | 210 | 28 | 2 | 1 | 108 | 132 | 4 500 |
6 000 |
2.96 | 7930C |
| 160 | 220 | 28 | 2 | 1 | 109 | 136 | 4 200 |
5 600 |
3.13 | 7932C | 170 | 230 | 28 | 2 | 1 | 113 | 145 | 3 900 |
5 300 |
3.29 | 7934C |
