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 238 N2MA

QJ 238 N2MA

SKF Explorer

Dimensions

d		190	mm
D		340	mm
B		55	mm
d₁	≈	244	mm
D₁	≈	285	mm
a		185	mm
h		12.7	mm
b		10.5	mm
r₀		2	mm
r_1,2	min.	4	mm

Abutment dimensions

d_a	min.	207	mm
D_a	max.	323	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	510	kN
Basic static load rating	C₀	850	kN
Fatigue load limit	P_u	22.4	kN
Limiting speed		3200	r/min
Calculation factor	A	1770.64
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

23.3

Model Number: QJ 238 N2MA
Inner Diameter：190mm Outer Diameter：340mm Width：55mm
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：2025-12-09
Application:laser devices,manual Tools,organic raw materials,agrochemical,wire industry,casting embedding,Perfusion device,metallurgy,motor,welding equipment,power tools
Similar models:BD-23238 CCK/W33-H 2338 BD-22380 CAK/W33-AOH 3280 G SNL 3238 G 238/850 CAMA/W20 NJ 2238 ECML 22238 CC/W33 81238 M 238/710 CAMA/W20 238/1180 CAKFA/W20 SNL 3238
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22312 EK/VA405	60	130	46	Bearings, units and housings
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6322	110	240	50	Bearings, units and housings
AOH 240/750 G	710	750	380	Bearings, units and housings
FSAF 1215 T	75	-	-	Bearings, units and housings
G 26x34x4	26	34	4	Seals
NJ 322 ECP	110	240	50	Bearings, units and housings
OKBS 138	138	-	-
NNF 5014 ADB-2LSV	70	110	54	Bearings, units and housings
PCM 353920 M	35	39	20	Bearings, units and housings
SAF 22624 x 4.1/8 T	104.775	-	-	Bearings, units and housings
W 61810-2RS1	50	65	7	Bearings, units and housings

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