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 1268 MA/344524

QJ 1268 MA/344524

Dimensions

d		340	mm
D		620	mm
B		118	mm
d₁	≈	447	mm
D₁	≈	513	mm
a		480	mm
r_1,2	min.	6	mm

Abutment dimensions

d_a	min.	368	mm
D_a	max.	592	mm
r_a	max.	5	mm

Calculation data

Basic dynamic load rating	C	1060	kN
Basic static load rating	C₀	2450	kN
Fatigue load limit	P_u	47.5	kN
Limiting speed		1600	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

165

Model Number: QJ 1268 MA/344524
Inner Diameter：340mm Outer Diameter：620mm Width：118mm
Reference speed:1600 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：2026-06-24
Application:industrial equipment,gantry processing,motor,security,Low-voltage electrical equipment,inorganic chemical,knitted fabrics,casting embedding,chemical,industry test,Roller mill
Similar models:51268 F 81268 M QJ 1268 MA/344524
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Model No. Inner Diameter Outer Diameter Width Type

14756
61821
71917 CD/P4AL
99282
ZW 15x20

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Hot number： 16894 BD-22272 CAK/W33-OH 3172 H 314518 B 51102 V/HR11T1 61817-2RS1 99238 AXK 2035 BEAM 060145-2RS NNU 4940 B/SPW33 NU 1021 ML OKBS 48 OKTC 285 S71909 CD/P4A SYR 2 7/16 N YAT 216-300

Model No.	Inner Diameter	Outer Diameter	Width	Type
14756
61821
71917 CD/P4AL
99282
ZW 15x20