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 318 N2MA

QJ 318 N2MA

SKF Explorer

Dimensions

d		90	mm
D		190	mm
B		43	mm
d₁	≈	124	mm
D₁	≈	156	mm
a		98	mm
h		11.7	mm
b		10.5	mm
r₀		2	mm
r_1,2	min.	3	mm

Abutment dimensions

d_a	min.	104	mm
D_a	max.	176	mm
r_a	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	285	kN
Basic static load rating	C₀	305	kN
Fatigue load limit	P_u	11	kN
Limiting speed		6300	r/min
Calculation factor	A	260.01
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

6.45

Model Number: QJ 318 N2MA
Inner Diameter：90mm Outer Diameter：190mm Width：43mm
Reference speed:6300 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：2026-04-18
Application:Oral Equipment,medical equipment,agriculture,tire industry,standing experimental equipment,manual Tools,stirrer,office outdoor camping equipment,laser devices,decoration machinery,construction machinery and equipment
Similar models:89318 M 2318 K 318-Z 6318/HC5C3 SAF 22318 SNL 3180 ATURT BD-C 2318 K-AHX 2318 7318 BEGAPH NJG 2318 VH 23184-2CS5K/VT143
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Model No.	Inner Diameter	Outer Diameter	Width	Type
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