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Belong to the minature bearings, most of them applied into the small applications
NKMB deep groove ball bearing MR series parameter table (partial examples)
| Model | d (mm) | D (mm) | B (mm) | Cr (N) | Cor (N) | Grease Speed (r/min) | Oil Speed (r/min) | Weight (g) |
|---|---|---|---|---|---|---|---|---|
| MR84 | 4 | 8 | 3 | 395 | 140 | 56,000 | 67,000 | 0.56 |
| MR104 | 4 | 10 | 4 | 585 | 200 | 50,000 | 60,000 | 1.34 |
| MR105 | 5 | 10 | 4 | 714 | 276 | 50,000 | 60,000 | 1.26 |
| MR115 | 5 | 11 | 4 | 716 | 282 | 48,000 | 56,000 | 1.36 |
| MR126 | 6 | 12 | 4 | 716 | 290 | 43,000 | 50,000 | 1.66 |
| MR137 | 7 | 13 | 4 | 770 | 338 | 40,000 | 48,000 | 2.00 |
| MR148 | 8 | 14 | 4 | 820 | 388 | 38,000 | 45,000 | 2.20 |
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