Sino-Kazakhstan 634X22Z bearing of Harbin

Ball bearing type of major groove
The uniline major groove ball bearing can not have interruptedly a deep ball track, the ball is extremely identical with the shape of the ball track.

Ball bearing 6302-2RS/ZZ of major groove

Ball bearing 6301-2RS/ZZ of major groove

Ball bearing 6300-2RS/ZZ of major groove

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