| 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 |
| 245 | 300 | 80 | 2.1 | 220 | 545000 | 1230000 | 1700 | — | RNA4944 | — | NA4944 | 10 | 15.5 |
| 225 | 280 | 80 | 2.1 | 200 | 525000 | 1140000 | 1900 | — | RNA4940 | — | NA4940 | 9.7 | 15 |
| 215 | 260 | 69 | 2 | 190 | 415000 | 1000000 | 1900 | — | RNA4938 | — | NA4938 | 6.45 | 10.5 |
| 205 | 250 | 69 | 2 | 180 | 400000 | 940000 | 2000 | — | RNA4936 | — | NA4936 | 6.2 | 10 |
| 190 | 230 | 60 | 2 | 170 | 340000 | 745000 | 2200 | — | RNA4934 | — | NA4934 | 4.3 | 6.95 |
| 180 | 220 | 60 | 2 | 160 | 325000 | 695000 | 2200 | — | RNA4932 | — | NA4932 | 4.1 | 6.6 |
| 170 | 210 | 60 | 2 | 150 | 315000 | 645000 | 2400 | — | RNA4930 | — | NA4930 | 3.9 | 6.25 |
| 160 | 190 | 50 | 1.5 | 140 | 235000 | 545000 | 2600 | — | RNA4928 | — | NA4928 | 2.45 | 4.25 |
| 150 | 180 | 50 | 1.5 | 130 | 228000 | 515000 | 2800 | — | RNA4926 | — | NA4926 | 2.3 | 4 |
| 135 | 165 | 45 | 1.1 | 120 | 192000 | 395000 | 3000 | — | RNA4924 | — | NA4924 | 1.9 | 2.9 |
| 125 | 150 | 40 | 1.1 | 110 | 149000 | 315000 | 3200 | — | RNA4922 | — | NA4922 | 1.25 | 2.1 |
| 415 | 480 | 100 | 2.1 | 380 | 1030000 | 2940000 | 1000 | RNA4876 | — | — | NA4876 | 25.5 | 42.5 |
| 390 | 440 | 80 | 2.1 | 360 | 705000 | 2080000 | 1000 | RNA4872 | — | — | NA4872 | 15 | 26 |
| 370 | 420 | 80 | 2.1 | 340 | 690000 | 1990000 | 1100 | RNA4868 | — | — | NA4868 | 14 | 24.5 |
| 350 | 400 | 80 | 2.1 | 320 | 675000 | 1900000 | 1100 | RNA4864 | — | — | NA4864 | 13.5 | 23.5 |
| 330 | 380 | 80 | 2.1 | 300 | 660000 | 1810000 | 1200 | RNA4860 | — | — | NA4860 | 13 | 22 |
| 305 | 350 | 69 | 2 | 280 | 510000 | 1390000 | 1300 | RNA4856 | — | — | NA4856 | 9.5 | 15.5 |
| 285 | 320 | 60 | 2 | 260 | 395000 | 1160000 | 1400 | RNA4852 | — | — | NA4852 | 5.9 | 11 |
| 265 | 300 | 60 | 2 | 240 | 375000 | 1070000 | 1500 | RNA4848 | — | — | NA4848 | 5.45 | 10 |
| 240 | 270 | 50 | 1.5 | 220 | 286000 | 805000 | 1700 | RNA4844 | — | — | NA4844 | 3.65 | 6.45 |