V3 V4 Single Row Angular Contact Ball Bearings , 90mm cnc machine bearings
ID 90mm Angular Contact Ball Bearings P5 P4 P2 V1 V2 V3 V4 High Precision Low Noise Low Vibration High Speed Long Life
Features
Angular contact ball bearings are the structural variants of deep groove ball bearings, and mainly bear combined radial and axial loads. They are divided into C, AC, and B structures according to the magnitude of the axial load. It is characterized by small friction coefficient, high limit speed, and the high manufacturing accuracy, and is widely used in various precision machineries.
To bear predominate radial load and subsidiary axial load from both directions, lower cost and price, low running resistance, high limiting speed, possible to reach higher rotating precision and pretty low vibration level, in addition, possible to make into sealing structure.
Product Specification
| Basic dimension | Basic load rating | Limited rotation speed | Weight | Installation dimension | Bearing code | ||||||||
| d | D | B | r | r1 | Cr | Cor | Grease | Oil | Wt | da min | Da max | ra max | New code |
| mm | mm | mm | min | min | kN | kN | r/min | r/min | kg | mm | mm | mm | |
| 90 | 140 | 24 | 1.5 | 0.6 | 74 | 72.7 | 6300 | 8500 | 1.15 | 99 | 131 | 1.5 | 7018C |
| 140 | 24 | 1.5 | 0.6 | 70.1 | 69 | 5300 | 7500 | 1.15 | 99 | 131 | 1.5 | 7018AC | |
| 140 | 24 | 1.5 | 0.6 | 60.3 | 60 | 4100 | 5000 | 1.33 | 99 | 131 | 1.5 | 7018B | |
| 160 | 30 | 2 | 1 | 123 | 105 | 5600 | 8100 | 2.18 | 101 | 149 | 2 | 7218C | |
| 160 | 30 | 2 | 1 | 117 | 100 | 3800 | 4600 | 2.18 | 101 | 149 | 2 | 7218 AC | |
| 160 | 30 | 2 | 1 | 102 | 88.2 | 3400 | 4100 | 2.49 | 101 | 149 | 2 | 7218B | |
| 190 | 43 | 3 | 1.1 | 183 | 158 | 5200 | 7100 | 5.02 | 103 | 177 | 2.5 | 7318C | |
| 190 | 43 | 3 | 1.1 | 176 | 152 | 3400 | 4100 | 5.02 | 103 | 177 | 2.5 | 7318AC | |
| 190 | 43 | 3 | 1.1 | 156 | 136 | 3100 | 3700 | 5.76 | 103 | 177 | 2.5 | 7318B | |
Application
- Electric motors
- machine tools
- automobiles
- precise devices
- home ppliances
- chemical machineries
- general machineries
- agricultural machineries
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