Super Precision Machine Spindle Bearing
Model: B7 Series High Speed & High Precision Electric Spindle Bearing
Introduction:
Feature: High speed and precision bearing, mainly used in inner cylindrical grinding spindle, makes an optimized design on its inner parameters.
B70series, B72series with a 15°contact angle;
Cage: outer ring guided phenolic resin cage (no mark);
Ball material: steel (no mark), ceramic(HQ1);
Only P2, P4 for high precision series.
High and super high s peed capacity, suitable for fix preload and oil mist/air lubrication.
Super precision angular contact ball bearing is also called Spindle bearing. Standard contact angle is 15 (suffix C), 30(suffix A )and 40(suffix B). The bigger contact angle means it has bigger axial load capacity. The smaller contact angle means it is more available for high speed. Angular contact ball bearing is pre- loaded when fixed in the spindle. That is to improve its rigidity and rotate precision. 1.Single row angular contact ball bearing 2.Double row angular contact ball bearing
Product Specification/Models
71xx 72xx .... 79xx 32xx 33xx 52xx 53xx
B7009C.T.P4S
B7009E.2RSD.T.P4S
B7009-E-T-P4S
B7010-C-T-P4S
B7010-E-T-P4S
B7011C.T.P4S B7011-C-T-P4S
B7011E.T.P4S B7011-E-T-P4S
B7012C.T.P4S B7012-C-T-P4S
B7012E.T.P4S B7012-E-T-P4S
B7013C.T.P4S B7013-C-T-P4S
B7013E.T.P4S B7013-E-T-P4S
B7014C.T.P4S B7014-C-T-P4S
B7014E.T.P4S B7014-E-T-P4S
B7015C.T.P4S B7015-C-T-P4S
B7015E.T.P4S B7015-E-T-P4S
B7016C.T.P4S B7016-C-T-P4S
B7016E.T.P4S B7016-E-T-P4S
B7017C.T.P4S B7017-C-T-P4S
B7017E.T.P4S B7017-E-T-P4S
B7018C.T.P4S B7018-C-T-P4S
B7018E.T.P4S B7018-E-T-P4S
B7019C.T.P4S B7019-C-T-P4S
B7019E.T.P4S B7019-E-T-P4S
B7020C.T.P4S B7020-C-T-P4S
B7020E.T.P4S B7020-E-T-P4S
B7021C.T.P4S B7021-C-T-P4S
B7021E.T.P4S B7021-E-T-P4S
B7022C.T.P4S B7022-C-T-P4S
B7022E.T.P4S B7022-E-T-P4S
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