Detailed information

Basic size mm	d60 D130 B31
Basic load rating kN	DynamicsC91.3 Static Co78
RatedSpeed r/min	Reference speed9500 Limit speed 1) 6000
Model	BearingOpen312NR One side beltDust cover312-ZNR Both side bandsDust cover312-2ZNR Stop ringSP130
Size mm	d60 d1 ～80.3 D2 ～113 D3125.22 D4139.7 f2.82 b3.1 C4.06 r 0 Maximum0.6 r 1,2 Minimum2.1
Shoulder and chamfer dimensions mm	d a Minimum71 Da Maximum119 D b Minimum141 b a Minimum3.5 Ca Maximum6.88 r a Maximum2
Fatigue load limit Pu	Fatigue load limit Pu3.35
Quality kg	Quality kg1.85

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