Drawn cup needle roller bearings with closed end
Details
| Shaft diameter | Boundary dimensions(mm) |
Basic static load ratings
Cor(N)
|
Basic dynamic load ratings
Cr(N)
|
Limiting speeds
（rpm）
|
Part Number | ||
| Fw | D | C | Oil | ||||
| 8 | 8 | 12 | 8 | 2600 | 2750 | 29500 | BK 0808 |
| 8 | 8 | 12 | 10 | 3950 | 3800 | 29500 | BK 0810 |
| 9 | 9 | 13 | 10 | 4650 | 4250 | 26500 | BK 0910 |
| 9 | 9 | 13 | 12 | 6300 | 5300 | 26500 | BK 0912 |
| 10 | 10 | 14 | 10 | 5100 | 4400 | 24300 | BK 1010 |
| 10 | 10 | 14 | 12 | 6800 | 5500 | 24300 | BK 1012 |
| 10 | 10 | 14 | 15 | 8800 | 6800 | 24300 | BK 1015 |
| 12 | 12 | 16 | 10 | 6200 | 4950 | 20700 | BK 1210 |
| 12 | 12 | 18 | 12 | 7300 | 6500 | 20000 | BK 1212 |
| 13 | 13 | 19 | 12 | 7900 | 6800 | 18700 | BK 1312 |
| 14 | 14 | 20 | 12 | 8500 | 7100 | 17500 | BK 1412 |
| 15 | 15 | 21 | 12 | 9400 | 7900 | 16300 | BK 1512 |
| 15 | 15 | 21 | 16 | 14400 | 10500 | 16500 | BK 1516 |
| 16 | 16 | 22 | 12 | 9700 | 7600 | 15600 | BK 1612 |
| 16 | 16 | 22 | 16 | 15300 | 10900 | 15600 | BK 1616 |
| 18 | 18 | 24 | 12 | 10900 | 8100 | 14000 | BK 1812 |
| 18 | 18 | 24 | 16 | 17300 | 11600 | 14000 | BK 1816 |
| 20 | 20 | 26 | 16 | 20100 | 12700 | 12700 | BK 2016 |
| 20 | 20 | 26 | 20 | 26000 | 15700 | 12700 | BK 2020 |
| 22 | 22 | 28 | 12 | 13400 | 9100 | 11700 | BK 2212 |
| 22 | 22 | 28 | 16 | 22100 | 13400 | 11700 | BK 2216 |
| 25 | 25 | 32 | 16 | 24000 | 15600 | 10200 | BK 2516 |
| 25 | 25 | 32 | 20 | 33000 | 19900 | 10200 | BK 2520 |
| 25 | 25 | 32 | 26 | 45000 | 25500 | 10200 | BK 2526 |
| 30 | 30 | 37 | 12 | 18200 | 12100 | 8600 | BK 3012 |
| 30 | 30 | 37 | 16 | 29000 | 17200 | 8600 | BK 3016 |
| 30 | 30 | 37 | 20 | 39500 | 22000 | 8600 | BK 3020 |