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Bearing 2304 (AST)
Self Aligning Double Row Ball Bearings 2304
Bearing number : 2304
Size (mm) : 20x52x21
Brand : AST
Bore Diameter (mm) : 20
Outer Diameter (mm) : 52
Width (mm) : 21
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - double row self-aligning
Bore Dia (d) - 20.0000
Outer Dia (D) - 52.0000
Width (B) - 21.0000
Radius (min) (rs) - 1.100
Dynamic Load Rating (Cr) - 18,500
Static Load Rating (Cor) - 4,700
Max Speed (Grease) (X1000 RPM) - 11,000
Max Speed (Oil) (X1000 RPM) - 14,000
Max. Shaft Shoulder Dia. Inner (Li) - 26.5
Min. Housing Shoulder Dia., Outer (Lo) - 45.5
Weight (g) - 193.00
Precision - A1
Standard Clearance - C0
Material - 52100 Chrome steel (or equivalent)
The maximum recommended angular misalignment is 4 degrees, the applied dynamic radial load must be less than 10% of the dynamic capacity.
This bearing is also available with a tapered bore.
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Outer Dia, mm:
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