Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Four-point contact ball bearings -- Angular contact ball bearings, four-point contact ball bearings SKF QJ 1280 N2MA

QJ 1280 N2MA

Dimensions

d		400	mm
D		720	mm
B		140	mm
d₁	≈	522	mm
D₁	≈	598	mm
a		560	mm
h		20.5	mm
b		25	mm
r₀		3	mm
r_1,2	min.	6	mm

Abutment dimensions

d_a	min.	428	mm
D_a	max.	692	mm
r_a	max.	5	mm

Calculation data

Basic dynamic load rating	C	1300	kN
Basic static load rating	C₀	3250	kN
Fatigue load limit	P_u	58.5	kN
Limiting speed		1300	r/min
Calculation factor	e	1.34
Calculation factor	X	0.54
Calculation factor	Y₀	0.44
Calculation factor	Y₁	0.47
Calculation factor	Y₂	0.81

Mass

Mass bearing

265

Model Number: QJ 1280 N2MA
Inner Diameter：400mm Outer Diameter：720mm Width：140mm
Reference speed:1300 r/min Limiting speed:-
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Four-point contact ball bearings
Details： Four-point contact ball bearings Angular contact ball bearings, four-point contact ball bearings
Update date：2026-04-16
Application:wheel lathe,Body shaping,Optical detection,chemical raw materials and reagents,Pneumatic Actuator,machine tool spindle,position switch,dynamic blood pressure,container finishing,spring industry,industrial equipment
Similar models:81280 M 51280 F QJ 1280 N2MA
BEARING POWER International Trading Co.,Ltd. specialize in QJ1280N2MA products，there is large inventory of SKF QJ 1280 N2MA Four-point contact ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 1280 N2MA Which SKF QJ1280N2MA is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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FYRP 1 15/16-3	49.2125	-	-	Bearings, units and housings
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W 623	3	10	4	Bearings, units and housings
YET 212-207	61.913	110	36.7	Bearings, units and housings

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