Needle Roller Bearings - Metric Series HK4520
Bearing number : HK4520
Size mm : 45x52x20
Brand : AST
Bore Diameter mm : 45
Outer Diameter mm : 52
Width mm : 20
Bearing dimensions and specification in brand catalogue :
dimensions in mm
Bearing Type - Cage Retained Rollers
Outer Dia D - 52.0000
Width B - 20.0000
Dynamic Load Rating Cr - 27,000
Static Load Rating Cor - 59,000
Max Speed Grease X1000 RPM - 6,000
Shaft Fw - 45.000
Weight g - 56.00
Material - Drawn cup: Hardened carbon steel alloy, Rollers - 52100 Chrome steel or equivalent
Some sizes are available with a closed end.
The bearing must be used with a hardened inner ring, or a hardened shaft.
Some sizes are available as full complement grease retained roller or mechanically retainer roller designs.
Catalogue,Brandslist,,Bearing HK4520 AST