正大华通有两排滚珠,外圈有一个共同的凹球面滚道,曲率中心与轴承中心相同。即使内圈、钢球和保持架相对于外圈略微倾斜,它们也可以旋转。因此,轴承是自对准的,不会受到轴相对于轴承箱未对准的影响。主要用于承受径向载荷,也可承受少量轴向载荷,一般不能承受纯轴向载荷。它特别适用于可能发生相当大的轴偏转或错位的轴承应用。例如,精密仪器、低噪声电机、汽车传动轴、摩托车传动轴、木工机械、纺织机械、矿山机械、机电设备、塑料机械、办公设备、医疗设备、健身运动设备和通用机械等是机械行业使用最广泛的轴承类型。
联系我们| Basic dimensions mm | Basic load ratings kN | Limit Rotational Speed rmin | Bearing part number | Mounting dimensions mm | Axial load factor | Weight kg | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d | D | B | rmin | Cr | Cor | Grease lubrication | Oil lubrication | Cylindrical hole Bearing part number | Conical hole Bearing part number | Dsmin | dhmax | ramax | e | Y1 | Y2 | Y0 | Cylindrical hole Weight | Conical hole Weight |
| 65 | 120 | 23 | 1.5 | 34.0 | 13.6 | 5300 | 6300 | 1213TN1 | 1213KTN1 | 73 | 112 | 1.5 | 0.17 | 3.71 | 5.73 | 3.88 | 0.865 | 0.835 |
| 65 | 120 | 23 | 1.5 | 34.0 | 13.6 | 5300 | 6300 | 1213 | 1213K | 73 | 112 | 1.5 | 0.17 | 3.71 | 5.73 | 3.88 | 0.915 | 0.885 |
| 60 | 150 | 35 | 2.1 | 73.5 | 26.7 | 3800 | 4500 | 1412M | 71 | 139 | 2 | 0.22 | 2.81 | 4.35 | 2.95 | 3.31 | ||
| 60 | 150 | 35 | 2.1 | 76.5 | 28.4 | 3800 | 4500 | 1412 | 71 | 139 | 2 | 0.22 | 2.81 | 4.35 | 2.95 | 3.26 | ||
| 60 | 130 | 46 | 2.1 | 86.5 | 27.7 | 4500 | 5300 | 2312M | 71 | 119 | 2 | 0.4 | 1.56 | 2.41 | 1.63 | 2.68 | ||
| 60 | 130 | 46 | 2.1 | 86.5 | 27.7 | 4500 | 5300 | 2312 | 2312K | 71 | 119 | 2 | 0.4 | 1.56 | 2.41 | 1.63 | 2.61 | 2.41 |
| 60 | 130 | 31 | 2.1 | 58.5 | 21.3 | 4500 | 5300 | 1312TN1 | 1312KTN1 | 71 | 119 | 2 | 0.23 | 2.8 | 4.33 | 2.93 | 1.92 | 1.87 |
| 60 | 130 | 31 | 2.1 | 58.5 | 21.3 | 4500 | 5300 | 1312 | 1312K | 71 | 119 | 2 | 0.23 | 2.8 | 4.33 | 2.93 | 1.98 | 1.93 |
| 60 | 110 | 28 | 1.5 | 47.5 | 16.5 | 5300 | 6300 | 2212TN1 | 2212KTN1 | 68 | 102 | 1.5 | 0.28 | 2.27 | 3.51 | 2.38 | 1.09 | 1.05 |
| 60 | 110 | 28 | 1.5 | 47.5 | 16.5 | 5300 | 6300 | 2212 | 2212K | 68 | 102 | 1.5 | 0.28 | 2.27 | 3.51 | 2.38 | 1.16 | 1.12 |
| 60 | 110 | 22 | 1.5 | 31.0 | 11.8 | 5600 | 6700 | 1212TN1 | 1212KTN1 | 68 | 102 | 1.5 | 0.19 | 3.39 | 5.25 | 3.56 | 0.870 | 0.850 |
| 60 | 110 | 22 | 1.5 | 31.0 | 11.8 | 5600 | 6700 | 1212 | 1212K | 68 | 102 | 1.5 | 0.19 | 3.39 | 5.25 | 3.56 | 0.892 | 0.872 |
| 55 | 120 | 43 | 2 | 75.0 | 23.5 | 4300 | 5000 | 2311 | 2311K | 64 | 111 | 2 | 0.41 | 1.53 | 2.36 | 1.6 | 2.10 | 2.00 |
| 55 | 120 | 29 | 2 | 51.5 | 18.0 | 5000 | 6000 | 1311TN1 | 1311KTN1 | 64 | 111 | 2 | 0.23 | 2.7 | 118 | 2.83 | 1.51 | 1.47 |
| 55 | 120 | 29 | 2 | 51.5 | 18.0 | 5000 | 6000 | 1311 | 1311K | 64 | 111 | 2 | 0.23 | 2.7 | 4.18 | 2.83 | 1.57 | 1.53 |
| 55 | 100 | 25 | 1.5 | 37.8 | 13.0 | 6000 | 7000 | 2211 | 2211K | 63 | 95 | 1.5 | 0.28 | 2.26 | 3.5 | 2.37 | 0.824 | 0.794 |
| 45 | 85 | 19 | 1.1 | 22.2 | 7.57 | 7500 | 9000 | 1209TN1 | 1209KTN1 | 51.5 | 78.5 | 1 | 0.21 | 2.94 | 4.55 | 3.08 | 0.458 | 0.444 |
| 45 | 85 | 19 | 1.1 | 22.2 | 7.57 | 7500 | 9000 | 1209 | 1209K | 51.5 | 78.5 | 1 | 0.21 | 2.94 | 4.55 | 3.08 | 0.469 | 0.455 |
| 40 | 90 | 33 | 1.5 | 52.4 | 15.5 | 6300 | 7500 | 2308TN1 | 2308KTN1 | 48 | 82 | 1.5 | 0.43 | 1.45 | 2.25 | 1.52 | 0.901 | 0.861 |
| 40 | 90 | 33 | 1.5 | 52.4 | 15.5 | 6300 | 7500 | 2308 | 2308K | 48 | 82 | 1.5 | 0.43 | 1.45 | 2.25 | 1.52 | 0.959 | 0.919 |
| 40 | 90 | 23 | 1.5 | 32.8 | 10.9 | 6700 | 8000 | 1308TN1 | 1308KTN1 | 48 | 82 | 1.5 | 0.24 | 2.62 | 4.05 | 2.74 | 0.688 | 0.668 |
| 40 | 90 | 23 | 1.5 | 32.8 | 10.9 | 6700 | 8000 | 1308 | 1308K | 48 | 82 | 1.5 | 0.24 | 2.62 | 4.05 | 2.74 | 0.714 | 0.694 |
| 40 | 80 | 23 | 1.1 | 30.9 | 9.70 | 7500 | 9000 | 2208TN1 | 2208KTN1 | 46.5 | 73.5 | 1 | 0.33 | 1.9 | 2.94 | 1.99 | 0.476 | 0.456 |
| 40 | 80 | 23 | 1.1 | 30.9 | 9.70 | 7500 | 9000 | 2208 | 2208K | 46.5 | 73.5 | 1 | 0.33 | 1.9 | 2.94 | 1.99 | 0.520 | 0.500 |
| 40 | 80 | 18 | 1.1 | 19.3 | 6.74 | 8500 | 10000 | 1208TN1 | 1208KTN1 | 46.5 | 73.5 | 1 | 0.22 | 2.87 | 4.45 | 3.01 | 0.402 | 0.392 |
| 40 | 80 | 18 | 1.1 | 19.3 | 6.74 | 8500 | 10000 | 1208 | 1208K | 46.5 | 73.5 | 1 | 0.22 | 2.87 | 4.45 | 3.01 | 0.410 | 0.400 |
| 35 | 80 | 31 | 1.5 | 39.0 | 11.1 | 7000 | 8500 | 2307TN1 | 43 | 72 | 1.5 | 0.46 | 1.36 | 2.11 | 1.43 | 0.659 | ||
| 35 | 80 | 31 | 1.5 | 39.0 | 11.1 | 7000 | 8500 | 2307 | 2307K | 43 | 72 | 1.5 | 0.46 | 1.36 | 2.11 | 1.43 | 0.675 | 0.645 |
| 35 | 80 | 21 | 1.5 | 25.7 | 8.25 | 7500 | 9000 | 1307TN1 | 1307KTN | 43 | 72 | 1.5 | 0.25 | 2.56 | 3.97 | 2.69 | 0.486 | 0.471 |
| 35 | 80 | 21 | 1.5 | 25.7 | 8.25 | 7500 | 9000 | 1307 | 1307K | 43 | 72 | 1.5 | 0.25 | 2.56 | 3.97 | 2.69 | 0.507 | 0.492 |
| 35 | 72 | 23 | 1.1 | 29.8 | 8.54 | 8500 | 10000 | 2207TN1 | 41.5 | 65.5 | 1 | 0.37 | 1.69 | 2.61 | 1.77 | 0.587 | ||
| 35 | 72 | 23 | 1.1 | 29.8 | 8.54 | 8500 | 10000 | 2207 | 2207K | 41.5 | 65.5 | 1 | 0.37 | 1.69 | 2.61 | 1.77 | 0.604 | 0.585 |
| 35 | 72 | 17 | 1.1 | 18.4 | 5.82 | 9000 | 11000 | 1207TN1 | 1207KTN1 | 41.5 | 65.5 | 1 | 0.23 | 2.74 | 4.24 | 2.87 | 0.309 | 0.300 |