BEARING RADLAL INTERNAL CLEARANCES | Demands for standard radial clearances of NWH deep groove ball bearings are the same as those of ISO 5753.lt is classfied into C2,standard,C3,C4 and C5groups.Different choices are supplied to various usages by customers. | | The radial clearance of bearings with electric motor quality. Bore | CM | Over | lncluding | min max | mm | | mm | inch | mm mm | 10 18 24 30 40 50 65 | .3937 .7078 .9449 1.1811 1.5748 1.9658 2.5591 | 18 24 30 40 50 65 80 | .7087 .9449 1.1811 1.5748 1.9685 2.5591 3.1496 | 4 11 5 12 5 12 9 17 9 17 12 22 12 22 | | | Datas of standard radial clearances for bearings under no load as followed: Tolerance in um. Bore | C2 | NORMAL CO | C3 | C4 | C5 | Over | lncluding | mm | inch | mm | inch | min | max | min | max | min | max | min | max | min | max | 2.5 10 18 24 30 40 50 65 | .0984 .3937 .7087 .9449 1.1811 1.5748 1.9685 2.5591 | 10 18 24 30 40 50 65 80 | .3937 .7087 .9449 1.1811 1.5748 1.9685 2.5591 3.1496 | 0 0 0 1 1 1 1 1 | 7 9 10 11 11 11 15 15 | 2 3 5 5 6 6 8 10 | 13 18 20 20 20 23 28 30 | 8 11 13 13 15 18 23 25 | 23 25 28 28 33 36 43 51 | 14 18 20 23 28 30 38 46 | 29 33 36 41 46 51 61 71 | 20 25 28 30 40 45 55 65 | 37 45 48 53 64 73 90 105 | |
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