型号 | 重量 (g) | 轴径 | 主要尺寸(mm) | |
单面密封 | 双面密封 | ≈ | mm | d |
NA4900RS | NA4900-2RS | 24.5 | 10 | 10 | NA4901RS | NA4901-2RS | 27.5 | 12 | 12 |
NA4902RS | NA4902-2RS | 37 | 15 | 15 | NA4903RS | NA4903-2RS | 40 | 17 | 17 |
NA4904RS | NA4904-2RS | 80 | 20 | 20 | NA4905RS | NA4905-2RS | 89.5 | 25 | 25 |
NA4906RS | NA4906-2RS | 104 | 30 | 30 | NA4907RS | NA4907-2RS | 175 | 35 | 35 |
NA4908RS | NA4908-2RS | 252 | 40 | 40 | NA4909RS | NA4909-2RS | 290 | 45 | 45 |
NA4910RS | NA4910-2RS | 295 | 50 | 50 |