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 252 N2MA

QJ 252 N2MA

Dimensions

d		260	mm
D		480	mm
B		80	mm
d₁	≈	342	mm
D₁	≈	397	mm
a		259	mm
h		12.5	mm
b		15	mm
r₀		2.5	mm
r_1,2	min.	5	mm

Abutment dimensions

d_a	min.	282	mm
D_a	max.	458	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	728	kN
Basic static load rating	C₀	1430	kN
Fatigue load limit	P_u	32	kN
Limiting speed		2200	r/min
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

Model Number: QJ 252 N2MA
Inner Diameter：260mm Outer Diameter：480mm Width：80mm
Reference speed:2200 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：2026-08-20
Application:defogging and degreasing,diagnostic test paper,auto tools,hydraulic control element,shoe-making machinery,Vacuum generator,hanging clamp,printing machinery,standing experimental equipment,Cleaning equipment,tapping machine
Similar models:PCM 252850 E HK 2524.2RS SSAFS 22524 x 4.1/8 T SSAFS 22524 x 4.1/8 FSAF 22520 T SAF 22520 x 3.3/8 T SAFS 22520 SAFS 22520-11 T HK 2520.2RS SSAFS 22528 x 5 T
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Model No. Inner Diameter Outer Diameter Width Type

99828
KDMS 604-385/180
NK 22/16
SAFS 22517-11 x 2.7/8
SSAFS 22244

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Hot number： 19264 22380 CAK/W33 23164-2CS5K/VT143 30207 6001/HR22T2 64450/64700 99315 FYTB 30 LDW OH 39/600 H OKBS 53 PSM 040804 A51 S71913 CB/P4A SAF 1615 TLC SAF 22213 T SNL 3080 TURA

Model No.	Inner Diameter	Outer Diameter	Width	Type
99828
KDMS 604-385/180
NK 22/16
SAFS 22517-11 x 2.7/8
SSAFS 22244