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：2026-06-24
Application:Spectrum Products,Broadcasting System,power protection,electromagnetic clutch,Broadcasting System,medical equipment,machining,set bacteria instrument,defogging and degreasing,Air,hydraulic cylinder
Similar models:BT2B 331858/HA1 6318 M AHX 318 23184 CJ/W33 QJ 318 N2PHAS NU 2318 ECML 3318 A BD-23218 CCK/W33-H 2318 AHX 2318 BD-C 3184 KM-AOH 3184 G
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Model No. Inner Diameter Outer Diameter Width Type

45x62x10 CRSA1 V
HCCE 030 R
NJ 305 ECP
OKC 790
PCM 657070 M

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Hot number： 126x147x11 CRSA1 R 13936 16x28x7 HMSA10 V 2219 K 23240 28x52x10 HMSA10 V 4913 6305/HR22T2 FYTB 1.1/4 TF HJ 306 EC MS 3184-80 NK 14/20 OKBS 55 PBM 061212 M1 PNA 17/35

Model No.	Inner Diameter	Outer Diameter	Width	Type
45x62x10 CRSA1 V
HCCE 030 R
NJ 305 ECP
OKC 790
PCM 657070 M