圆柱滚子与滚道呈线接触,径向载荷能力大,既适用于承受重载荷与冲击载荷,也适用于高速旋转。圆柱滚子轴承滚道及滚动体几何形状经改进设计后,具有较高的承载能力,挡
边和滚子端面的新型结构设计,不仅提高了轴承的轴向承载能力,同时改善了滚子端面与挡边接触区域的润滑条件,提高了轴承的使用性能。此类轴承主要用于中型及大型电动
机、发电机、内燃机、燃气轮机、机床主轴、减速装置、装卸搬运机械,各类产业机械。
基本尺寸 mm | 基本额定载荷 kN | 极限转速 rmin | 轴承代号 | 安装相关尺寸 mm | 质量 kg | L型挡圈 | |||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
d | D | B | rmin | r1min | F | E | Cr | Cor | 脂润滑 | 油润滑 | 轴承代号 | damin | dbmin | dbmax | dcmin | ddmin | Damax | Dbmin | Dbmax | ramax | rbmax | 质量 | 型号 | 质量 | d | d1 | A1 | A2 | r3.r4 |
17 | 40 | 12 | 0.3 | 0.6 | 22 | 35 | 16.0 | 11.3 | NU203E | 23 | 26 | 0.3 | 0.6 | 0.064 | |||||||||||||||
20 | 47 | 14 | 1 | 0.6 | 26.5 | 41.5 | 28.8 | 23.2 | 13000 | 16000 | NU204ETN1 | 24 | 27 | 28 | 30 | 43 | 1 | 0.6 | 0.11 | ||||||||||
20 | 47 | 18 | 1 | 0.6 | 26.5 | 41.5 | 34.2 | 28.9 | 13000 | 16000 | NU2204ETYN | 23 | 25 | 28 | 43 | 1 | 0.6 | 0.139 | |||||||||||
25 | 52 | 15 | 1 | 0.6 | 31.5 | 46.5 | 29.0 | 24.0 | 11000 | 13500 | NU205EM | 29 | 31 | 33 | 35 | 48 | 1 | 0.6 | 0.162 | ||||||||||
25 | 52 | 15 | 1 | 0.6 | 31.5 | 46.5 | 32.9 | 28.4 | 11000 | 13500 | NU205ETN1 | 29 | 31 | 33 | 35 | 48 | 1 | 0.6 | 0.132 | ||||||||||
25 | 52 | 18 | 1 | 0.6 | 31.5 | 46.5 | 38.9 | 35.3 | 11000 | 13500 | NU2205ETN1 | 28 | 31 | 33 | 35 | 48 | 1 | 0.6 | 0.166 | ||||||||||
25 | 62 | 17 | 1.1 | 1.1 | 34 | 54 | 45.8 | 37.4 | 9900 | 13000 | NU305ETN1 | 30 | 33 | 35 | 38 | 57 | 1.1 | 1.1 | 0.238 | ||||||||||
25 | 62 | 17 | 1.1 | 1.1 | 34 | 54 | 42.6 | 34.0 | 9900 | 13000 | NU305EM | 30 | 33 | 35 | 38 | 57 | 1.1 | 1.1 | 0.266 | ||||||||||
30 | 55 | 13 | 1 | 0.6 | 36.5 | 48.5 | 20.6 | 18.4 | 12000 | 15000 | NU1006M | 33 | 35 | 38 | 51 | 1 | 0.6 | 0.138 | |||||||||||
30 | 55 | 13 | 1 | 0.6 | 36.5 | 48.5 | 22.7 | 20.8 | 12000 | 15000 | NU1006TN1 | 33 | 35 | 38 | 51 | 1 | 0.6 | 0.119 | |||||||||||
30 | 62 | 16 | 1 | 0.6 | 37.5 | 55.5 | 43.0 | 37.4 | 9500 | 12000 | NU206EM | 34 | 37 | 39 | 41 | 58 | 1 | 0.6 | 0.247 | ||||||||||
30 | 62 | 16 | 1 | 0.6 | 37.5 | 55.5 | 43.0 | 37.4 | 9500 | 12000 | NU206ETN1 | 34 | 37 | 39 | 41 | 58 | 1 | 0.6 | 0.198 | ||||||||||
30 | 62 | 20 | 1 | 0.6 | 37.5 | 55.5 | 53.8 | 49.8 | 9500 | 12000 | NU2206ETN1 | 33 | 37 | 39 | 41 | 58 | 1 | 0.6 | 0.263 | ||||||||||
30 | 72 | 19 | 1.1 | 1.1 | 40.5 | 62.5 | 54.8 | 46.1 | 9000 | 11000 | NU306EM | 35 | 38 | 42 | 44 | 67 | 1.1 | 1.1 | 0.413 | ||||||||||
30 | 72 | 27 | 1.1 | 1.1 | 40.5 | 62.5 | 76.9 | 71.2 | 9000 | 11000 | NU2306EM | 35 | 39 | 42 | 67 | 1.1 | 1.1 | 0.593 | |||||||||||
30 | 72 | 27 | 1.1 | 1.1 | 40.5 | 62.5 | 76.9 | 71.2 | 9000 | 11000 | NU2306EM/YA8 | 35 | 39 | 42 | 45 | 67 | 1.1 | 1.1 | 0.592 | ||||||||||
35 | 62 | 14 | 1 | 0.6 | 42 | 55 | 24.4 | 22.6 | 9000 | 11000 | NU1007M | 38 | 41 | 43 | 58 | 1 | 0.6 | 0.173 | |||||||||||
35 | 62 | 14 | 1 | 0.6 | 42 | 55 | 26.7 | 25.4 | 9000 | 11000 | NU1007TN1 | 38 | 41 | 43 | 58 | 1 | 0.6 | 0.156 | |||||||||||
35 | 72 | 17 | 1.1 | 0.6 | 44 | 64 | 52.3 | 46.6 | 8500 | 10000 | NU207EM | 41 | 38 | 43 | 45 | 49 | 67 | 66.4 | 69.2 | 1.1 | 0.6 | 0.333 | |||||||
35 | 72 | 21 | 1.1 | 0.6 | 44 | 64 | 64.1 | 60.6 | 8500 | 10000 | NU2207X2ETN1/YA8 | 38 | 43 | 45 | 67 | 1.1 | 0.6 | 0.358 | |||||||||||
35 | 72 | 23 | 1.1 | 0.6 | 44 | 64 | 67.8 | 65.3 | 8500 | 10000 | NU2207EM | 38 | 43 | 45 | 49 | 67 | 1.1 | 0.6 | 0.45 | ||||||||||
35 | 80 | 21 | 1.5 | 1.1 | 46.2 | 70.2 | 73.3 | 65.4 | 8000 | 9500 | NU307E | 41 | 45 | 47 | 51 | 75 | 1.5 | 1.1 | 0.547 | ||||||||||
35 | 80 | 21 | 1.5 | 1.1 | 46.2 | 70.2 | 73.3 | 65.4 | 8000 | 9500 | NU307ENRM | 41 | 45 | 47 | 51 | 75 | 1.5 | 1.1 | 0.614 | ||||||||||
35 | 80 | 21 | 1.5 | 1.1 | 46.2 | 70.2 | 73.3 | 65.4 | 8000 | 9500 | NU307M | 42 | 40 | 45 | 47 | 51 | 75 | 73.6 | 75.2 | 1.5 | 1.1 | 0.604 | |||||||
35 | 80 | 21 | 1.5 | 1.1 | 46.2 | 70.2 | 77.8 | 70.8 | 8000 | 9500 | NU307EMA | 40 | 45 | 47 | 75 | 1.5 | 1.1 | 0.547 | |||||||||||
35 | 80 | 21 | 1.5 | 1.1 | 46.2 | 70.2 | 73.3 | 65.4 | 8000 | 9500 | NU307EQ1 | 40 | 45 | 47 | 75 | 1.5 | 1.1 | 0.591 | |||||||||||
35 | 80 | 31 | 1.5 | 1.1 | 46.2 | 70.2 | 102 | 101 | 7000 | 8500 | NU2307EM | 40 | 45 | 47 | 51 | 75 | 1.5 | 1.1 | 0.816 | ||||||||||
40 | 68 | 15 | 1 | 0.6 | 47 | 61 | 26.8 | 24.9 | 9500 | 12000 | NU1008M | 43 | 46 | 48 | 64 | 1 | 0.6 | 0.231 | |||||||||||
40 | 68 | 15 | 1 | 0.6 | 47 | 61 | 29.5 | 28.3 | 9500 | 12000 | NU1008TN1 | 43 | 46 | 48 | 64 | 1 | 0.6 | 0.183 | |||||||||||
40 | 80 | 18 | 1.1 | 1.1 | 49.5 | 71.5 | 61.3 | 55.4 | 7500 | 9000 | NU208EM | 46 | 45 | 49 | 51 | 54 | 75 | 72.7 | 75.2 | 1.1 | 1.1 | 0.451 |