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NN3007W33P4DRZ NN3007W33P4 机床主轴轴承厂家
面议NN3007W33P4机床轴承厂家 双列短圆柱滚子轴承 NN3007W33P4
面议NN300W33P5机床主轴轴承 NN3007W33P5 上海机床主轴轴承
面议NN3007W33P5NN3007W33P5 机床轴承 机床主轴轴承厂
面议NN3015KW33P4高精密角接触球轴承 NN3015KW33P4
面议NN3015KW33P4晶硅切片机轴承 NN3015KW33P4
面议NN3015KW33P4精密交叉圆锥滚子轴承 NN3015KW33P4
面议NN3015KW33P4精密主轴轴承 NN3015KW33P4
面议NN3015KW33P4精密机床主轴轴承 NN3015KW33P4
面议NN3015KW33P4機床軸承 双列短圆柱滚子轴承 NN3015KW33P4
面议NN3013KW33机床双列短圆柱滚子轴承
面议7602055TVP丝杠用推力角接触球轴承 7602055TVP 洛阳德润精密机床轴承有限公司
面议丝杠用推力角接触球轴承
滚珠丝杠用推力角接触球轴承的接触角是60°,具有高的轴向刚性,主要承受单向轴向载荷,还能承受一定径向载荷。在承受双向轴向载荷时,要依据载荷的大小和特性进行成对配置,在配置时要施加一定的予载。机床丝杠对角接触推力球轴承的精度要求与主轴轴承基本相同,一般采用P4,P2公差等级。由于系统需要运动灵活和精确的轴向位移,因此要求轴承应具有低而均匀的摩擦力矩,特别是要求有低的启动摩擦力矩。
轴承配合轴和座孔的精度*如表1和表2
表1 丝杠用推力角接触球轴承配合轴*公差
轴径 | 超过 | 10 | 18 | 30 | 50 | 80 | 120 | 180 | 250 |
d(mm) | 到 | 18 | 30 | 50 | 80 | 120 | 180 | 250 | 315 |
公差 | 上偏差 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
下偏差 | -8 | -9 | -11 | -13 | -15 | -18 | -20 | -23 | |
圆柱度 | t1 | 2 | 2.5 | 2.5 | 3 | 4 | 5 | 7 | 8 |
平面度 | t2 | 1.2 | 1.5 | 1.5 | 2 | 2.5 | 3.5 | 4.5 | 6 |
端面跳动 | t3 | 2 | 2.5 | 2.5 | 3 | 4 | 5 | 7 | 8 |
表面粗糙度 | Ra | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.8 | 0.8 |
表2 丝杠用推力角接触球轴承配合轴承座*公差
轴径 | 超过 | 18 | 30 | 50 | 80 | 120 | 180 | 250 | 315 |
d(mm) | 到 | 30 | 50 | 80 | 120 | 180 | 250 | 315 | 400 |
公差 | 上偏差 | 8 | 10 | 13 | 16 | 18 | 22 | 25 | 29 |
下偏差 | -5 | -6 | -6 | -6 | -7 | -7 | -7 | -7 | |
圆柱度 | t1 | 2.5 | 2.5 | 3 | 4 | 5 | 7 | 8 | 9 |
平面度 | t2 | 2.5 | 2.5 | 3 | 4 | 5 | 7 | 8 | 9 |
端面跳动 | t3 | 4 | 4 | 5 | 6 | 8 | 10 | 12 | 13 |
表面粗糙度 | Ra | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1.6 | 1.6 |
轴承代码 | 外形尺寸 | 安装尺寸 | 额定载荷 | 极限转速 | 预载荷 | 转向 刚度 | 卸载 载荷 | 摩擦 力矩 | 参考填 脂量 | 重量 | ||||||||
d | D | B | Rsmin | a | da | Da | Ra | Ca | Coa | 脂 | 油 | Fao | Ra | Fam | ≈ | |||
mm | min | max | max | KN | r/min | KN | N/μm | KN | Nmm | g | Kg | |||||||
7602020TVP | 20 | 47 | 14 | 1.0 | 36 | 27.5 | 39.5 | 1.0 | 19.3 | 25 | 12000 | 17000 | 2.3 | 700 | 6.6 | 50 | 1.6 | 0.13 |
7602025TVP | 25 | 52 | 15 | 1.0 | 41 | 32.0 | 45.0 | 1.0 | 22 | 30.5 | 11000 | 16000 | 2.5 | 770 | 7.2 | 65 | 2.2 | 0.16 |
7602030TVP | 30 | 62 | 16 | 1.0 | 48 | 39.5 | 52.5 | 1.0 | 26 | 39 | 9000 | 13000 | 2.9 | 890 | 8.3 | 85 | 3 | 0.24 |
7602035TVP | 35 | 72 | 17 | 1.1 | 55 | 46.5 | 60.5 | 1.4 | 30 | 50 | 8000 | 11000 | 3.3 | 1020 | 9.5 | 115 | 4 | 0.34 |
7602040TVP | 40 | 80 | 18 | 1.1 | 62 | 53.5 | 68.5 | 1.1 | 37.5 | 64 | 7000 | 9500 | 4.3 | 1180 | 12 | 170 | 5 | 0.44 |
7602045TVP | 45 | 85 | 19 | 1.1 | 66 | 57.5 | 73.0 | 1.1 | 38 | 68 | 6700 | 9000 | 4.5 | 1240 | 12 | 190 | 6 | 0.50 |
7602050TVP | 50 | 90 | 20 | 1.1 | 71 | 63.0 | 79.0 | 1.1 | 39 | 75 | 6300 | 8500 | 4.9 | 1360 | 14 | 230 | 7.2 | 0.67 |
7602055TVP | 55 | 100 | 21 | 1.5 | 78 | 69.5 | 86.5 | 1.5 | 40.5 | 81.5 | 6000 | 8000 | 5.6 | 1390 | 13 | 250 | 8.7 | 0.75 |
7602060TVP | 60 | 110 | 22 | 1.5 | 86 | 77.0 | 96.0 | 1.5 | 56 | 112 | 5000 | 6700 | 6.5 | 1620 | 18 | 350 | 11 | 0.96 |
7602065TVP | 65 | 120 | 23 | 1.5 | 92 | 84.5 | 103.5 | 1.5 | 57 | 122 | 4800 | 6000 | 7 | 1750 | 20 | 440 | 15 | 1.32 |
7602070TVP | 70 | 125 | 24 | 1.5 | 96 | 87.5 | 108.5 | 1.5 | 65.5 | 137 | 4500 | 6000 | 7 | 1880 | 21 | 480 | 17 | 1.45 |
7602075TVP | 75 | 130 | 25 | 1.5 | 101 | 93.5 | 114.5 | 1.5 | 67 | 150 | 4300 | 5600 | 7.6 | 1880 | 21 | 480 | 17 | 1.45 |
7602080TVP | 80 | 140 | 26 | 2.0 | 108 | 100.0 | 122.0 | 2.0 | 76.5 | 175 | 4000 | 5300 | 8.9 | 2040 | 25 | 600 | 20 | 1.76 |
7602085TVP | 85 | 150 | 28 | 2.0 | 116 | 107.0 | 131.0 | 2.0 | 86.5 | 196 | 3800 | 5000 | 10.5 | 2200 | 30 | 760 | 25 | 2.19 |
7602090TVP | 90 | 160 | 30 | 2.0 | 123 | 113.5 | 133.5 | 2.0 | 98 | 224 | 3600 | 4800 | 11 | 2270 | 31 | 790 | 30 | 2.69 |
7603020TVP | 20 | 52 | 15 | 1.1 | 39 | 30.5 | 43.5 | 1.1 | 24.5 | 32 | 11000 | 16000 | 2.9 | 780 | 8.3 | 60 | 1.9 | 0.17 |
7603025TVP | 25 | 62 | 17 | 1.1 | 46 | 38.0 | 52.0 | 1.1 | 28.5 | 41.5 | 9000 | 13000 | 3.3 | 910 | 9.5 | 85 | 3.5 | 0.28 |
7603030TVP | 30 | 72 | 19 | 1.1 | 53 | 45.0 | 61.0 | 1.1 | 34.5 | 55 | 8000 | 11000 | 4.3 | 1070 | 12 | 130 | 5 | 0.41 |
7603035TVP | 35 | 80 | 21 | 1.5 | 60 | 51.0 | 67.0 | 1.5 | 36.5 | 61 | 7000 | 9500 | 4.8 | 1190 | 13 | 170 | 6.6 | 0.55 |
7603040TVP | 40 | 90 | 23 | 1.5 | 68 | 56.5 | 75.7 | 1.5 | 50 | 83 | 6300 | 8500 | 5.6 | 1290 | 16 | 225 | 9.2 | 0.76 |
7603045TVP | 45 | 100 | 25 | 1.5 | 75 | 64.0 | 85.5 | 1.5 | 58.5 | 104 | 5600 | 7500 | 7 | 1780 | 20 | 300 | 12 | 1.02 |
7603050TVP | 50 | 110 | 27 | 2.0 | 83 | 72.0 | 94.0 | 2.0 | 69.5 | 127 | 5000 | 6700 | 7.6 | 1600 | 21 | 360 | 16 | 1.33 |
7603055TVP | 55 | 120 | 29 | 2.0 | 90 | 77.0 | 101.0 | 2.0 | 78 | 146 | 4800 | 6300 | 8.8 | 1720 | 25 | 460 | 20 | 1.69 |
7603060TVP | 60 | 130 | 31 | 2.1 | 98 | 82.5 | 107.5 | 2.1 | 88 | 166 | 4500 | 6000 | 10 | 1840 | 28 | 540 | 24 | 2.12 |
7603065TVP | 65 | 140 | 33 | 2.1 | 105 | 91.5 | 118.5 | 2.1 | 100 | 196 | 4000 | 5300 | 12 | 2050 | 34 | 700 | 29 | 2.60 |
7603070TVP | 70 | 160 | 37 | 2.1 | 120 | 105.5 | 135.5 | 2.1 | 125 | 255 | 3800 | 5000 | 12 | 2100 | 34 | 760 | 34 | 3.16 |
7603075TVP | 75 | 160 | 37 | 2.1 | 120 | 105.5 | 135.5 | 2.1 | 125 | 255 | 3600 | 4800 | 14.5 | 2330 | 41 | 920 | 41 | 3.79 |
7603080TVP | 80 | 170 | 39 | 2.1 | 128 | 111.0 | 143.0 | 2.1 | 137 | 285 | 3400 | 4500 | 16 | 2460 | 46 | 1100 | 49 | 4.50 |
7603085TVP | 85 | 180 | 41 | 3.0 | 135 | 116.0 | 151.0 | 3.0 | 160 | 325 | 3200 | 4300 | 17.5 | 2530 | 50 | 1250 | 55 | 5.29 |
7603090TVP | 90 | 190 | 43 | 3.0 | 143 | 122.5 | 157.5 | 3.0 | 163 | 345 | 3000 | 4000 | 18 | 2650 | 51 | 1300 | 65 | 6.17 |