Introduction and characterization of double row angular contact ball bearings
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Cage
The sheet steel cage, double row angular contact ball bearings without cage suffix.
Machined brass solid cage guided by ball bearings with M said. Suffix MA refers to the use of brass entities guided by the outer cage bearings. The use of glass fiber reinforced polyamide 66 Cage (suffix TVH or TVP) of the bearing can be used for stable temperature below 120 ℃. Bearing oil lubrication oil additives may shorten the life of the cage. In addition, the aging of the oil at high temperatures may shorten the life of the bearings, must strictly abide by the provisions of the oil change intervals.
Permissible speed
Favorable conditions of work, bearing speed may be higher than the reference speed, but not higher than the value of the limit speed. In determining the heat to allow the rotational speed, you should take full account of the special working environment.
Heat Treatment Heat Treatment FAG double row angular contact ball bearings can continue to work below 150 ℃. If the cage using polyamide materials, the operating temperature is necessary by the limitations of the cage. Sealed bearings is also subject to restrictions on seal requirements.
Sealed bearings
In addition to the open double row angular contact ball bearings, double-sided with a ZR-type dust cover (non-contact seal) and double-sided with RSR seal (contact seal) angular contact ball bearing is also the basic structure of FAG form. The bearing at the factory had been filled with high quality grease rigorously tested by FAG. If necessary, can also be single-sided sealed bearings. Non-contact seal bearings (suffix .2 ZR) speed limit lower than the open bearings.
