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 1240 N2MA

QJ 1240 N2MA

Dimensions

d		200	mm
D		360	mm
B		70	mm
d₁	≈	260	mm
D₁	≈	300	mm
a		280	mm
h		12.7	mm
b		10.55	mm
r₀		2	mm
r_1,2	min.	4	mm

Abutment dimensions

d_a	min.	218	mm
D_a	max.	384	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	520	kN
Basic static load rating	C₀	865	kN
Fatigue load limit	P_u	21.6	kN
Limiting speed		3000	r/min
Calculation factor	A	4413.15
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

32.5

Model Number: QJ 1240 N2MA
Inner Diameter：200mm Outer Diameter：360mm Width：70mm
Reference speed:3000 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:instrument,Broadcasting System,mobile toilet,Surveying Surveying Instruments,Industrial,packaging materials,supporting facilities,key lock,light therapy instrument,car and accessories,granulator
Similar models:QJ 1240 N2MA 81240 M WS 81240 51240 M GS 81240 K 81240 M
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Model No. Inner Diameter Outer Diameter Width Type

12x28x7 HMSA10 RG
BT4B 329010 G/HA1VA901
P 45 RM
PSM 202525 A51
SAF 22615 T

Purchase the SKF QJ 1240 N2MA Angular contact ball bearings, four-point contact ball bearings Please fill in the following

Hot number： 150x170x15 CRSH1 R 1625242 19922 20x35x6 HMSA10 RG 335x375x18 HDS1 R 6208/HR11QN 77996 C 4022 MB FYAWK 25 LTHR NA 4907 NCF 2964 V P 52 R-20 TF PFT 15 FM S71907 CD/P4A YAR 204-012-2F

Model No.	Inner Diameter	Outer Diameter	Width	Type
12x28x7 HMSA10 RG
BT4B 329010 G/HA1VA901
P 45 RM
PSM 202525 A51
SAF 22615 T