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 1264 N2MA

QJ 1264 N2MA

Dimensions

d		320	mm
D		580	mm
B		105	mm
d₁	≈	421	mm
D₁	≈	479	mm
a		450	mm
h		15.5	mm
b		20	mm
r₀		3	mm
r_1,2	min.	5	mm

Abutment dimensions

d_a	min.	342	mm
D_a	max.	558	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	956	kN
Basic static load rating	C₀	2080	kN
Fatigue load limit	P_u	41.5	kN
Limiting speed		1700	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

130

Model Number: QJ 1264 N2MA
Inner Diameter：320mm Outer Diameter：580mm Width：105mm
Reference speed:1700 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:other lathe,impression material,hot and cold box,magnetic elements,Gas turbine,mathematical instruments,welding equipment,Plastic molding,cleaners,wheel lathe,linear drive
Similar models:81264 M 51264 M M 12649/610 QJ 1264 N2MA 51264 F
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Model No. Inner Diameter Outer Diameter Width Type

135x170x15 CRSH1 R
609/530 MA
6206/HR22T2
BD-C 31/750 KMB-AOH 31/750
NK 45/20 TN

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Model No.	Inner Diameter	Outer Diameter	Width	Type
135x170x15 CRSH1 R
609/530 MA
6206/HR22T2
BD-C 31/750 KMB-AOH 31/750
NK 45/20 TN