small ball bearing miniature ball bearing miniature bearing bearing 688zz micro ball bearing tiny ball bearing mini ball bearing miniature ball
| Boundary dimensions(mm) | Basic load ratings(kN) | Limiting speeds(rpm) | Mass(Kg) | Bearing Number | |||||
| d | D | rs min | rs min | Cr | Cor | Grease | Oil | (Approx.) | |
| 10 | 35 | 11 | 0.6 | 8.2 | 3.5 | 23 000 |
27 000 |
0.053 | S6300 | 12 | 37 | 12 | 1 | 9.7 | 4.2 | 20 000 |
24 000 |
0.06 | S6301 |
| 15 | 42 | 13 | 1 | 11.4 | 5.45 | 17 000 |
21 000 |
0.082 | S6302 | 17 | 47 | 14 | 1 | 13.5 | 6.55 | 16 000 |
19 000 |
0.115 | S6303 |
| 20 | 52 | 15 | 1.1 | 15.9 | 7.9 | 14 000 |
17 000 |
0.144 | S6304 | 25 | 62 | 17 | 1.1 | 21.2 | 10.9 | 12 000 |
14 000 |
0.232 | S6305 |
| 30 | 72 | 19 | 1.1 | 26.7 | 15 | 10 000 |
12 000 |
0.36 | S6306 | 35 | 80 | 21 | 1.5 | 33.5 | 19.1 | 8 800 |
10 000 |
0.457 | S6307 |
| 40 | 90 | 23 | 1.5 | 40.5 | 24 | 7 800 |
9 200 |
0.63 | S6308 | 45 | 100 | 25 | 1.5 | 53 | 32 | 7 000 |
8 200 |
0.814 | S6309 |
| 50 | 110 | 27 | 2 | 62 | 38.5 | 6 400 |
7 500 |
1.07 | S6310 | 55 | 120 | 29 | 2 | 71.5 | 45 | 5 800 |
6 800 |
1.37 | S6311 |
