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：2026-07-24
Application:Microwave Equipment,Optical Instruments,food sterilization,plastic blow molding,Die,plant determination,pump,auto tools,metal mold,steam Hydraulic control element,boring bar boring bar
Similar models:51280 F QJ 1280 N2MA 81280 M
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Model No. Inner Diameter Outer Diameter Width Type

23224 CCK/W33
30x62x10 HMS5 V
7034 ACD/P4AH1
D/W R09 R
K 42x50x20

Purchase the SKF QJ 1280 N2MA Angular contact ball bearings, four-point contact ball bearings Please fill in the following

Hot number： 14008 BD-23168 CCK/W33-OH 3168 H 414500 50x82x8 CRWA1 R 6205/HC5C3 FSAF 22616 x 2.3/4 FYE 2 15/16 N FYNT 50 F GB 3010 GS 81220 IR 35x40x17 EGS KMT 32 MS 31/630 OKBS 44 W 627 XR

Model No.	Inner Diameter	Outer Diameter	Width	Type
23224 CCK/W33
30x62x10 HMS5 V
7034 ACD/P4AH1
D/W R09 R
K 42x50x20