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import bearing
| 基本尺寸 | 型号 | ||
|---|---|---|---|
| Model | |||
| d[mm] | D[mm] | B[mm] | |
| 300 | 380 | 80 | NA4860 |
| 260 | 320 | 60 | NA4852 |
| 20 | 28 | 13 | RNA4902R |
| 14 | 22 | 13 | RNA4900R |
| 22 | 30 | 13 | RNA4903R |
| 16 | 24 | 13 | RNA4901R |
| 25 | 37 | 17 | RNA4904R |
| 20 | 28 | 13 | RNA4902R |
| 30 | 42 | 17 | RNA4905R |
| 22 | 30 | 13 | RNA4903R |
| 35 | 47 | 17 | RNA4906R |
| 25 | 37 | 17 | RNA4904R |
| 42 | 55 | 20 | RNA4907R |
| 30 | 42 | 17 | RNA4905R |
| 48 | 62 | 22 | RNA4908R |
| 35 | 47 | 17 | RNA4906R |
| 52 | 68 | 22 | RNA4909R |
| 42 | 55 | 20 | RNA4907R |
| 58 | 72 | 22 | RNA4910R |
| 48 | 62 | 22 | RNA4908R |
| 63 | 80 | 25 | RNA4911R |
| 52 | 68 | 22 | RNA4909R |
| 17 | 29 | 16 | NK21/16R+IR17×21×16 |
| 10 | 17 | 16 | NK10/16 |
| 21 | 29 | 20 | NK21/20R |
| 21 | 29 | 16 | NK21/16R |
| 17 | 29 | 20 | NK21/20R+IR17×21×20 |
| 17 | 29 | 16 | NK21/16R+IR17×21×16 |
| 22 | 30 | 16 | NK22/16R |
| 21 | 29 | 20 | NK21/20R |
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