Fault Causes And Preventive Measures Of Gear Box Bearing Running Outer Ring
Fault Causes and Preventive Measures of Gear Box Bearing Running Outer Ring
PRODUCT
Rolling bearing according to the classification of the size
by：Waxing
2020-11-15
According to the classification of size 2020 - rolling bearings
06 -
03 rolling bearing generally consists of inner ring and outer ring, rolling body, cage, lubricant and sealing, the relative rotation between shaft and hole in a supporting role and load, or role positioning and limit the axial relative displacement between the shaft and hole.
Usually inner ring assembly on the shaft and shaft rotate together;
Plays a role of bearing outer ring.
, rotating between outer ring, rolling body, keep the aircraft in addition to the arrangement, such as roller spacing and guide roller sports, improve the internal bearing lubrication performance, prevent fall off the action such as roller;
Sealed up to prevent the bearing internal oil leakage and external foreign body into the inside of the bearing;
Grease between guarantee each contact in the bearing lubrication, reducing wear and tear.
The structure of the rolling bearing type classification method are many, among them, according to the different size, can be divided into miniature bearing, miniature bearing, large bearing, large, medium and small sized bearings bearing his oversize.
Miniature bearing: nominal diameter size range of 26 mm below the bearing;
Small bearings: nominal diameter size range for 28 mm to 55 mm bearing;
Small and medium-sized bearings: size range nominal diameter of 60 mm ~ 115 mm bearing;
Large bearing: nominal diameter size range of 120 mm to 190 mm of bearing;
Large bearing: size range for nominal diameter 200 mm to 430 mm bearing;
Oversize bearings: size range for the 440 mm above the nominal diameter of the bearing.
(
Source: the resources of railway vehicle platform)
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