1) This type of bearing is separable.As their rollers linearly come into contact with inner ring and outer ring with less doefficient of friction, there bearings have very good capacity of radial load,suitable for electric motors, automobiles, transmission shafts,gear shafts and so on. Double row cylindrical roller bearings are good at the spindles of machine tools.2) Series: inner diameter 1000 25-150 20015-150 300 17-150 400 25-150 220020-150 2300 30-150 NN3000 30-280 NNU4900 100-2203)meet with ISO9002
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