Detailed information

Basic size mm	d45 D68 B22
Basic load rating kN	DynamicsC81.5 Static Co112
RatedSpeed r/min	Reference speed- Limit speed3800
Model	BearingCylindrical holeC4909V1) Conical holeC4909K30V1)
Size mm	d45 d 2 ～51.6 D1 ～60.5 r 1,2 Minimum0.6 s 1 1) ～4.7 s 2 1) ～1.7
Shoulder and chamfer dimensions mm	d a Minimum48.2 d a Maximum51 Da Minimum- Da Maximum64.8 Ca 2) Maximum- r a Maximum0.6
Calculate coefficient	k 1 0.114 k 2 0.1
Fatigue load limit Pu	Fatigue load limit Pu12.9
Quality	Quality0.3

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