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：2025-12-02
Application:Polymer,power tools,electromagnet,paper processing machine,Individual Wire,office equipment,special broaching machine,Cylinder Micro,sanitation facilities,wall industry,water
Similar models:BD-22238 CCK/W33-H 3138 NUP 238 ECM BD-C 2238 K-AH 2238 G 238/1000 CAKMA/W20 SNL 3238 G NJ 238 ECML SAW 23238 TLC 6238 23238 CC/W33 32238
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2311 KM	55	120	43	Bearings, units and housings
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530546	425.45	473.25	21.72	Seals
60x85x8 HMSA10 RG	60	85	8	Seals
71912 ACE/P4A	60	85	13	Bearings, units and housings
91357	-	-	60	Seals
99368	93.6752	102.3874	11.1252	Seals
FSAF 22516 x 2.3/4	69.85	-	-	Bearings, units and housings
HCRE 130 R	203	908	-	Coupling systems
NU 236 ECM	180	320	52	Bearings, units and housings
SAF 23026 KATLC x 4.5/16	112.7125	-	-	Bearings, units and housings
SYE 1 15/16 N-118	49.2125	-	-	Bearings, units and housings

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