Detailed information

Basic size mm	d50 D90 B20
Basic load rating kN	DynamicsC39 Static Co30.5
RatedSpeed r/min	Reference speed8500 Limit speed8500
Model 1)	Universal matchingBearing7210BECBY BasicdesignBearing7210BEY
Size mm	d50 d1 ～65.8 d2 ～57.7 D1 ～75.2 r 1,2 Minimum1.1 r 3,4 Minimum0.6 a39
Shoulder and chamfer dimensions mm	d a Minimum57 Da Maximum83 D b Maximum85.8 r a Maximum1 r b Maximum0.6
Fatigue load limit Pu	Fatigue load limit Pu1.29
Quality kg	Quality kg0.47

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