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Angular contact ball bearing

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It mainly bears large unidirectional axial load. The larger the contact angle, the greater the load bearing capacity. The cage material is steel plate, brass or engineering plastic, and the molding method is stamping or turning, which is selected depending on the bearing form or usage conditions. Others include combined angular contact ball bearings, double row angular contact ball bearings and four-point contact ball bearings.

Angular contact ball bearings can bear both radial and axial loads. Can work at higher speeds. The larger the contact angle, the higher the axial load capacity. High-precision and high-speed bearings usually have a contact angle of 15 degrees. Under the action of axial force, the contact angle will increase. Single row angular contact ball bearings can only bear axial load in one direction. When bearing radial load, additional axial force will be caused. And it can only limit the axial displacement of the shaft or housing in one direction. If they are installed in pairs, make the outer rings of the pair of bearings face each other, that is, the wide end faces the wide end face, and the narrow end faces the narrow end face. This avoids causing additional axial forces and limits the axial play of the shaft or housing in both directions.

Product parameters

Model Old model Dimensions(mm) Rated load(N) Speed min-1 Weight(kg)
d D B Cr Cor Grease lubrication oil lubrication (refer to)
QJ202 176202 15 35 11 - - - - -
QJ221 176221N2 105 190 36 - - - - -
QJ203 176203 17 40 12 - - - - -
QJ238 176238N2 190 340 55 - - - - -
QJ204 176204 20 47 14 - - - - -
QJ240 176240N2 200 360 58 - - - - -
QJ205 176205 25 52 15 - - - - -
QJ244 176244N2 220 400 65 - - - - -
QJ206 176206 30 60 16 - - - - -
QJ302 176302 15 42 13 - - - - -
QJ303 176303 17 47 14 - - - - -
QJ320 176320 100 215 47 - - - - -
QJ304 176304 20 52 15 - - - - -
QJ321 176321 105 225 49 - - - - -
QJ305 176305 25 62 17 - - - - -
QJ326 176326 130 280 58 - - - - -
QJ308 176308 40 90 23 - - - - -
QJ330 176330 150 320 65 - - - - -
QJ309 176309 45 100 25 - - - - -
QJ332 176332 160 340 68 - - - - -

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