small ball bearing miniature ball bearing miniature bearing bearing 688zz micro ball bearing tiny ball bearing mini ball bearing miniature ball
| d | D | 2B | rs min | r1s min | Cr | Cor | Grease | oil | (Approx.) | |
| 105 | 130 | 26 | 1 | 0.6 | 39 | 59.5 | 5 500 |
7 300 |
0.62 | 7821CDB | 110 | 140 | 32 | 1 | 0.6 | 56 | 85 | 5 200 |
6 900 |
0.972 | 7822CDB |
| 120 | 150 | 32 | 1 | 0.6 | 57 | 89.5 | 4 700 |
6 300 |
1.05 | 7824CDB | 130 | 165 | 36 | 1.1 | 0.6 | 76 | 119 | 4 400 |
5 800 |
1.822 | 7826CDB |
| 140 | 175 | 36 | 1.1 | 0.6 | 77.5 | 125 | 4 000 |
5 400 |
1.946 | 7828CDB | 150 | 190 | 40 | 1.1 | 0.6 | 98.5 | 159 | 3 700 |
5 000 |
2.66 | 7830CDB |
| 160 | 200 | 40 | 1.1 | 0.6 | 100 | 167 | 3 500 |
4 700 |
2.82 | 7832CDB | 170 | 215 | 44 | 1.1 | 0.6 | 123 | 204 | 3 300 |
4 400 |
3.74 | 7834CDB |
| 25 | 42 | 18 | 0.3 | 0.15 | 12.7 | 10.8 | 19 000 |
26 000 |
0.084 | 7905CDB | 30 | 47 | 18 | 0.3 | 0.15 | 13.5 | 12.5 | 17 000 |
22 000 |
0.096 | 7906CDB |
| 35 | 55 | 20 | 0.6 | 0.3 | 21.4 | 19.3 | 15 000 |
20 000 |
0.146 | 7907CDB | 40 | 62 | 24 | 0.6 | 0.3 | 22.7 | 22.3 | 13 000 |
18 000 |
0.218 | 7908CDB |
| 45 | 68 | 24 | 0.6 | 0.3 | 28.1 | 28.1 | 12 000 |
16 000 |
0.252 | 7909CDB | 50 | 72 | 24 | 0.6 | 0.3 | 29.8 | 31.5 | 11 000 |
14 000 |
0.262 | 7910CDB |
| 55 | 80 | 26 | 1 | 0.6 | 31 | 35.5 | 9 800 |
13 000 |
0.356 | 7911CDB | 60 | 85 | 26 | 1 | 0.6 | 32.5 | 39 | 9 000 |
12 000 |
0.382 | 7912CDB |
| 65 | 90 | 26 | 1 | 0.6 | 33 | 40.5 | 8 400 |
11 000 |
0.408 | 7913CDB | 70 | 100 | 32 | 1 | 0.6 | 47 | 58 | 7 800 |
10 000 |
0.662 | 7914CDB |
| 75 | 105 | 32 | 1 | 0.6 | 47.5 | 61 | 7 300 |
9 700 |
0.7 | 7915CDB | 80 | 110 | 32 | 1 | 0.6 | 48.5 | 63 | 6 800 |
9 100 |
0.74 | 7916CDB |
| 85 | 120 | 36 | 1.1 | 0.6 | 65 | 84.5 | 6 400 |
8 600 |
1.046 | 7917CDB | 90 | 125 | 36 | 1.1 | 0.6 | 64.5 | 85 | 6 100 |
8 100 |
1.098 | 7918CDB |
| 95 | 130 | 36 | 1.1 | 0.6 | 67 | 91.5 | 5 800 |
7 700 |
1.148 | 7919CDB | 100 | 140 | 40 | 1.1 | 0.6 | 86 | 117 | 5 400 |
7 200 |
1.556 | 7920CDB |
