| 主要尺寸(mm) | 基本额定载荷 (N) | 极限转速 min-1 | 轴承代号 无内圈 | 轴承代号 有内圈 | 重量(kg) (参考) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FW | D | B,C | γ(最小) | d | Cr | Cor | 油润滑 | RNA48 | RNA49 | RNA59 | NA | 无内圈 | 有内圈 |
| 490 | 600 | 160 | 4 | 440 | 1980000 | 4750000 | 850 | — | RNA4988 | — | NA4988 | 81.5 | 125 |
| 470 | 560 | 140 | 4 | 420 | 1660000 | 4250000 | 900 | — | RNA4984 | — | NA4984 | 54.5 | 92.5 |
| 450 | 540 | 140 | 4 | 400 | 1600000 | 4000000 | 900 | — | RNA4980 | — | NA4980 | 52.5 | 89 |
| 430 | 520 | 140 | 4 | 380 | 1550000 | 3750000 | 950 | — | RNA4976 | — | NA4976 | 50.5 | 85.5 |
| 415 | 480 | 100 | 2.1 | 380 | 1030000 | 2940000 | 1000 | RNA4876 | — | — | NA4876 | 25.5 | 42.5 |
| 400 | 480 | 118 | 3 | 360 | 1280000 | 3200000 | 1000 | — | RNA4972 | — | NA4972 | 35.5 | 57 |
| 390 | 440 | 80 | 2.1 | 360 | 705000 | 2080000 | 1000 | RNA4872 | — | — | NA4872 | 15 | 26 |
| 380 | 460 | 118 | 3 | 340 | 1240000 | 3000000 | 1100 | — | RNA4968 | — | NA4968 | 33.5 | 54 |
| 370 | 420 | 80 | 2.1 | 340 | 690000 | 1990000 | 1100 | RNA4868 | — | — | NA4868 | 14 | 24.5 |
| 360 | 440 | 118 | 3 | 320 | 1190000 | 2820000 | 1100 | — | RNA4964 | — | NA4964 | 32 | 51.5 |
| 350 | 400 | 80 | 2.1 | 320 | 675000 | 1900000 | 1100 | RNA4864 | — | — | NA4864 | 13.5 | 23.5 |
| 340 | 420 | 118 | 3 | 300 | 1150000 | 2630000 | 1200 | — | RNA4960 | — | NA4960 | 30 | 48.5 |
| 330 | 380 | 80 | 2.1 | 300 | 660000 | 1810000 | 1200 | RNA4860 | — | — | NA4860 | 13 | 22 |
| 310 | 380 | 100 | 2.1 | 280 | 905000 | 2050000 | 1300 | — | RNA4956 | — | NA4956 | 20.5 | 31 |
| 305 | 350 | 69 | 2 | 280 | 510000 | 1390000 | 1300 | RNA4856 | — | — | NA4856 | 9.5 | 15.5 |
| 290 | 360 | 100 | 2.1 | 260 | 870000 | 1910000 | 1400 | — | RNA4952 | — | NA4952 | 19.5 | 29.5 |
| 285 | 320 | 60 | 2 | 260 | 395000 | 1160000 | 1400 | RNA4852 | — | — | NA4852 | 5.9 | 11 |
| 265 | 320 | 80 | 2.1 | 240 | 590000 | 1400000 | 1600 | — | RNA4948 | — | NA4948 | 11.5 | 17.5 |
| 265 | 300 | 60 | 2 | 240 | 375000 | 1070000 | 1500 | RNA4848 | — | — | NA4848 | 5.45 | 10 |
| 245 | 300 | 80 | 2.1 | 220 | 545000 | 1230000 | 1700 | — | RNA4944 | — | NA4944 | 10 | 15.5 |