单列圆柱滚子轴承--N19...(K)/N10...(K)系列
机床主轴对轴承旋转精度的要求极高。高精度圆柱滚子轴承具有高刚性和高承载能力的同时,达到了高转速性能和小横截面高度较好的结合。
小的横截面高度使多轴装配时轴距更小。由于圆柱滚子轴承能够补偿受热限制的配合部件的长度变化,所以它们是浮动轴承的理想选择。
机床使用的高精度圆柱滚子轴承有多种结构可供选择。尺寸系列19和10生产的是单列轴承,而尺寸系列30和49生产的是双列轴承。单列和双列圆柱滚子轴承的孔径和外径在各个直径系列范围内完全相同。
主要尺寸(mm) | 型号 | 额定载荷(KN) | 极限载荷
| 径向刚度
| 转速 | 重量 kg |
d | D | B | Cr
| Cor
| Pu(KN) | SR | 脂 | 油 |
40 | 68 | 15 | N1008 | N1008K | 28.7 | 30.8 | 3.55 | 510 | 23800 | 28200 | 0.21 |
45 | 75 | 16 | N1009 | N1009K | 33.4 | 37.6 | 4.33 | 550 | 22300 | 26500 | 0.26 |
50 | 72 | 12 | N1910 | N1910K | 22.5 | 27.5 | 3.17 | 500 | 16500 | 18300 | 0.15 |
| 80 | 16 | N1010 | N1010K | 36.2 | 41.7 | 4.8 | 610 | 19500 | 22500 | 0.29 |
55 | 80 | 13 | N1911 | N1911K | 25 | 31.5 | 3.63 | 520 | 16000 | 17800 | 0.2 |
| 90 | 18 | N1011 | N1011K | 41.3 | 49.8 | 5.73 | 680 | 18500 | 21500 | 0.425 |
60 | 85 | 13 | N1912 | N1912K | 26 | 34 | 3.91 | 550 | 15500 | 18000 | 0.21 |
| 95 | 18 | N1012 | N1012K | 44.3 | 55.2 | 6.35 | 740 | 17000 | 19000 | 0.46 |
65 | 90 | 13 | N1913 | N1913K | 29.3 | 40.5 | 4.66 | 590 | 15000 | 16500 | 0.23 |
| 100 | 18 | N1013 | N1013K | 45.5 | 59 | 6.79 | 770 | 16000 | 18000 | 0.48 |
70 | 100 | 16 | N1914 | N1914K | 36.7 | 49.5 | 5.7 | 720 | 14500 | 16000 | 0.375 |
| 110 | 20 | N1014 | N1014K | 63.5 | 81.7 | 9.4 | 850 | 14500 | 16800 | 0.66 |
75 | 105 | 16 | N1915 | N1915K | 38.3 | 53.5 | 6.16 | 780 | 14000 | 15500 | 0.4 |
| 115 | 20 | N1015 | N1015K | 65.8 | 85.2 | 9.8 | 890 | 13500 | 15500 | 0.7 |
80 | 110 | 16 | N1916 | N1916K | 40 | 57 | 6.56 | 830 | 13500 | 15000 | 0.45 |
| 125 | 22 | N1016 | N1016K | 76.9 | 98.5 | 11.33 | 940 | 12500 | 14500 | 0.96 |
85 | 120 | 18 | N1917 | N1917K | 50.5 | 72 | 8.28 | 1050 | 13000 | 14300 | 0.6 |
| 130 | 22 | N1017 | N1017K | 78.5 | 105 | 12.08 | 980 | 12000 | 14000 | 1 |
90 | 125 | 18 | N1918 | N1918K | 52 | 76 | 8.74 | 1110 | 12000 | 13200 | 0.63 |
| 140 | 24 | N1018 | N1018K | 94 | 125.9 | 14.48 | 1090 | 11500 | 13500 | 1.3 |
95 | 130 | 18 | N1919 | N1919K | 53 | 79 | 9.09 | 1150 | 11000 | 12000 | 0.65 |
| 145 | 24 | N1019 | N1019K | 97 | 130 | 14.95 | 1100 | 10500 | 12500 | 1.36 |
100 | 140 | 20 | N1920 | N1920K | 78 | 112 | 12.88 | 1630 | 10000 | 11500 | 0.89 |
| 150 | 24 | N1020 | N1020K | 99 | 135 | 15.53 | 1200 | 10000 | 12500 | 1.43 |
105 | 145 | 20 | N1921 | N1921K | 79 | 117 | 13.46 | 1700 | 9000 | 10800 | 0.95 |
| 160 | 26 | N1021 | N1021K | 113 | 154 | 17.71 | 1220 | 9500 | 11000 | 1.8 |
110 | 150 | 20 | N1922 | N1922K | 81 | 122 | 14.03 | 1770 | 8000 | 10000 | 1 |
| 170 | 28 | N1022 | N1022K | 164.8 | 189.8 | 21.83 | 1300 | 9000 | 10000 | 2.25 |
120 | 165 | 22 | N1924 | N1924K | 96 | 144 | 16.56 | 2090 | 7300 | 9500 | 1.35 |
| 180 | 28 | N1024 | N1024K | 175 | 208 | 23.92 | 1420 | 8500 | 9000 | 2.45 |
130 | 180 | 24 | N1926 | N1926K | 111 | 171 | 17.1 | 1370 | 5400 | 6200 | 1.82 |
| 200 | 33 | N1026 | N1026K | 181 | 251 | 25.1 | 1470 | 5100 | 5800 | 3.7 |
140 | 190 | 24 | N1928 | N1928K | 117 | 187 | 18.7 | 1500 | 5100 | 5900 | 1.95 |
| 210 | 33 | N1028 | N1028K | 184 | 266 | 26.6 | 1560 | 4600 | 5300 | 3.95 |
150 | 210 | 28 | N1930 | N1930K | 150.5 | 237 | 23.7 | 1620 | 4700 | 5300 | 2.94 |
| 225 | 35 | N1030 | N1030K | 208.5 | 311 | 31.1 | 1680 | 4400 | 5100 | 4.75 |
160 | 220 | 28 | N1932 | N1932K | 154 | 251 | 22.6 | 1730 | 4400 | 5000 | 3.12 |
| 240 | 38 | N1032 | N1032K | 245.5 | 356 | 32.1 | 1760 | 4200 | 4800 | 5.8 |
170 | 230 | 28 | N1934 | N1934K | 161 | 266 | 24 | 1830 | 4100 | 4700 | 3.25 |
| 260 | 42 | N1034 | N1034K | 301 | 431.5 | 38.9 | 1910 | 3900 | 4200 | 7.75 |
180 | 250 | 33 | N1936 | N1936K | 209 | 336 | 30.3 | 1900 | 3800 | 4400 | 4.8 |
| 280 | 46 | N1036 | N1036K | 361 | 521 | 46.9 | 2050 | 3600 | 3900 | 10.2 |
190 | 260 | 33 | N1938 | N1938K | 220.5 | 365 | 32.9 | 2060 | 3500 | 4100 | 5.1 |
| 290 | 46 | N1038 | N1038K | 365.5 | 551 | 49.6 | 2080 | 3300 | 3800 | 10.5 |
200 | 280 | 38 | N1940 | N1940K | 266 | 432 | 38.9 | 2170 | 3200 | 3800 | 7.1 |
| 310 | 51 | N1040 | N1040K | 401 | 602 | 54.2 | 2200 | 3100 | 3600 | 13.8 |
220 | 300 | 38 | N1944 | N1944K | 266 | 451 | 40.6 | 2220 | 3000 | 3500 | 7.7 |
| 340 | 56 | N1044 | N1044K | 511 | 766 | 69 | 2410 | 2800 | 3300 | 18 |
240 | 320 | 38 | N1948 | N1948K | 286 | 500.5 | 45.1 | 2470 | 2800 | 3200 | 8.25 |
| 360 | 56 | N1048 | N1048K | 541 | 850.8 | 76.6 | 2610 | 2600 | 3000 | 19.3 |
260 | 360 | 46 | N1952 | N1952K | 432 | 751.5 | 67.7 | 2860 | 2600 | 2900 | 14 |
| 400 | 65 | N1052 | N1052K | 656 | 1022 | 92 | 2750 | 2400 | 2800 | 28.5 |
280 | 380 | 46 | N1956 | N1956K | 441.5 | 802 | 72.2 | 3020 | 2400 | 2600 | 15 |
| 420 | 65 | N1056 | N1056K | 682 | 1103 | 99.3 | 2950 | 2200 | 2600 | 31 |
300 | 420 | 56 | N1960 | N1960K | 612 | 1063 | 85.1 | 3180 | 2200 | 2300 | 23.5 |
320 | 440 | 56 | N1964 | N1964K | 622 | 1105 | 88.4 | 3290 | 1900 | 2100 | 25 |
340 | 460 | 56 | N1968 | N1968K | 657 | 1205 | 96.4 | 3580 | 1800 | 2000 | 26.5 |
360 | 480 | 56 | N1972 | N1972K | 657 | 1225 | 98 | 3660 | 1700 | 1900 | 27.5 |