Detailed information

Basic size mm	d280 D420 B106
Basic load rating kN	DynamicsC1860 Static Co3100
RatedSpeed r/min	Reference speed1200 Limit speed1600
Model	BearingCylindrical holeC3056 Conical holeC3056K2)
Size mm	d280 d 2 ～328 D1 ～389 r 1,2 Minimum4 s 1 1) ～21.3 s 2 1) ～-
Shoulder and chamfer dimensions mm	d a Minimum295 d a Maximum350 Da Minimum375 Da Maximum405 Ca 2) Maximum1.8 r a Maximum3
Calculate coefficient	k 1 0.121 k 2 0.098
Fatigue load limit Pu	Fatigue load limit Pu250
Quality	Quality50

List of Similar Bearing Models