SKF QJ 1988 N2MA Angular contact ball bearings, four-point contact ball bearings

SKF QJ 1988 N2MA Angular contact ball bearings, four-point contact ball bearings
Angular contact ball bearings, four-point contact ball bearings

Tolerances: Normal, P6Internal clearance: tableRecommended fitsShaft and housing tolerances and fits

d		440	mm
D		600	mm
B		74	mm
d1	≈	495	mm
D1	≈	544	mm
a		364	mm
h		12.5	mm
b		15	mm
r0		2.5	mm
r1,2	min.	4	mm

Abutment dimensions

da	min.	458	mm
Da	max.	582	mm
ra	max.	3	mm

Calculation data

Basic dynamic load rating	C		761	kN
Basic static load rating	C0		1900	kN
Fatigue load limit	Pu		35.5	kN
Reference speed			900	r/min
Limiting speed			1500	r/min
Calculation factor	ka		0.5
Calculation factor	e		0.95
Calculation factor	X		0.6
Calculation factor	Y0		0.58
Calculation factor	Y1		0.66
Calculation factor	Y2		1.07

Mass

Mass bearing

65

kg

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