Detailed information

Basic size mm	d20 D52 B21
Basic load rating kN	DynamicsC47.5 Static Co38
RatedSpeed r/min	Reference speed14000 Limit speed18000
Model	standardCage*NUP2304ECP otherCage1)-
Size mm	d20 d 1 ～31.2 D1 ～42.4 F,E27.5 r 1,2 Minimum1.1 r 3,4 Minimum0.6 s 1) -
Shoulder and chamfer dimensions mm	d a Minimum27 d a Maximum- d b ,Da Minimum33 Da Maximum45 r a Maximum1 r b Maximum0.6
Calculate coefficient	kr0.29
Corner Circle	Model- Quality SizeB1 SizeB2
Fatigue load limit Pu	Fatigue load limit Pu4.8
Quality standard cage	Quality standard cage0.22

List of Similar Bearing Models