7304B Angular Contact Ball Bearing 20X52X15MM
The 7304B bearing is a Angular Contact Ball Bearings with an inner diameter of 20 mm , an outer diameter of 52 mm, a width of 15 mm. It typically uses P0 P6 P5 P4 P3 P2 grade precision tolerances and Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
7304B Angular Contact Ball Bearing 20X52X15MM
Item: 7304B Angular Contact Ball Bearing
Type: 7304B Ball Bearing
Bearing Dimensions: 20X52X15MM/Metric
ID (inner diameter)/Bore: 20mm
OD (outer diameter): 52mm
Width/Height/thickness: 15mm
rs min: 1.1
rls min: 0.6
The contacted angle is 40°
Working Point: 22.6
Weight: 0.15Kgs
Limit Speed(rpm)---Grease Lubrication: 13000
Limit Speed(rpm)---Oil Lubrication: 19000
Basic Dynamic Load Rating(Cr): 16.15
Basic Static Load Rating(Cor): 8.7
Material: GCr15/Bearing Steel
Lubrication: Grease/Oil
Seal Type: Open
Payment Terms: T/T or L/C
Delivery Port: Ningbo/Shanghai
Delivery: 15 days
Angular contact ball bearings are with high speed limit, can support radial load and axial load ,can also be subject to pure axial load, the axial load capacity determined by the contact angle, with the contact angle increase,the capacity increases,too.
Single row angular contact ball bearings only can withstand axial load in one direction, when burden the radial load, will cause additional axial force,and it must be applied to the corresponding reverse load, so the types of bearings are generally used in pairs.
Double row angular contact ball bearings can withstand greater radial load,mainly consisting of radial and axial combined load and torque load, it limits bi-axial displacement of shaft or housing.
Angular Contact Ball Bearing is mainly applied on high speed, high precision and little axial load occasions, such as airplane engine main shaft, machine tool main shaft and main shafts of other high speed precision machine. It can also be applied on high frequency motor, steam turbine, oil pump, air compressor and printing machine etc. It is one of the bearings most widely used in machinery industry.
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