There is rotational, have HRB bearing (
Jiaxing bearing group sales co. , LTD. (
Is bearing group co. , LTD. Established in jiaxing spot sales window, specializing in HRB brand bearings, facing the whole country, the existing stock 50 million yuan, covers the whole bearing, have very strong spot supply, is the group's retail sales center.
Angular contact ball bearing, mainly used for high speed rotating load lighter, request bearing high precision, high speed, high temperature rise low vibration and must use life.
Often as the support device used in pairs of high-speed motorized spindle, is the crux of the grinding machine high speed motorized spindle accessories in appearance.
Important technique index: 1.
Bearing precision index: beyond the GB / 307.
2 94 p4 level precision.
High-speed performance indicators: dmN value of 1.
3 to 1.
8 x106 / min3。
Utilizing life (
:> 1500 h high-speed precision angular contact ball bearing using life had a lot to do with device, should pay attention to the following: 1.
Bearing assembly should be clean, clean the room, the bearing should be carefully selected, bearing grinding, baffle should pass on the premise of maintaining baffle on inner and outer contour, baffle parallelism should grasp below 1 um;
Bearing assembly shall be clean, clean the inner ring ramp up, hand induction dexterity, no stop feeling, air-dried, amount of oil into the rules, for oil mist smooth oil should be put into the large number of oil mist;
Bearing assembly should take special tools, force uniform, do not knock;
Bearing check should be clean and ventilated, no corrosion gas, absolute humidity not beyond 65%, temporary storage should be current rust.
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