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 1040 N2MA

QJ 1040 N2MA

Dimensions

d		200	mm
D		310	mm
B		51	mm
d₁	≈	238	mm
D₁	≈	271	mm
a		179	mm
h		12.7	mm
b		10.5	mm
r₀		2	mm
r_1,2	min.	2.1	mm

Abutment dimensions

d_a	min.	212	mm
D_a	max.	298	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	390	kN
Basic static load rating	C₀	620	kN
Fatigue load limit	P_u	16.6	kN
Limiting speed		3200	r/min
Calculation factor	A	1077.29
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 1040 N2MA
Inner Diameter：200mm Outer Diameter：310mm Width：51mm
Reference speed:3200 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:embroidery cloth,Flame Cutting,spring industry,coal,bio-chemical,Material handling equipment,vertical processing,industrial skin care,impression material,ventilator anesthesia machine etc,tire industry
Similar models:NU 1040 ML HJ 1040 QJ 1040 N2MA
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Model No. Inner Diameter Outer Diameter Width Type

280x325x24 HS5 R
56x72x9 HMS1 R
99473
NCF 1864 V
SYWK 510 L

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Hot number： 1200258 25x50x8 CRW1 R 300x350x25 HDS1 R 32x47x10 HMS5 RG 40x62x6 HMS5 V 54974 71809 ACD/P4 G 35x45x4 K 89444 M NA 2205.2RS OKBS 53 OKBS 80 PBM 223240 M1G1 SD 10x17x3 SNL 3096 TURT

Model No.	Inner Diameter	Outer Diameter	Width	Type
280x325x24 HS5 R
56x72x9 HMS1 R
99473
NCF 1864 V
SYWK 510 L