Angular contact ball bearings
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AUGULAR CONTACT BEARINGS are designed to support combined radial and thrust loads or heavy thrust loads depending on the contact angle magnitude. The bearings having large contact angles can support heavier thrust loads. They are suitable for a wide range of applications including high speed machine tool spindles.
The steel ball of angle touching bearing becomes an angle with the connecting line of interior and outer touching point. The touching angle is generally devised to 15centigrade, 30centigrade, 40centgrade, signified with C, A, B separately, NSK especially produce the bearing of touch angle 25centigrade signified with A5. The brand for sales: NXZ, TMB, HRB etc. . .
l single row:78XX,79XX,70XX,72XX,73XX,74XX
2 micro-scale: 70X
3 double row: 52XX, 53XX, 32XX, 33XX, LD57, LD58
4 four points touching: QJ2XX, QJ3XX