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 338 N2MA

QJ 338 N2MA

Dimensions

d		190	mm
D		400	mm
B		78	mm
d₁	≈	263	mm
D₁	≈	326	mm
a		207	mm
h		12.7	mm
b		10.5	mm
r₀		2	mm
r_1,2	min.	5	mm

Abutment dimensions

d_a	min.	210	mm
D_a	max.	380	mm
r_a	max.	4	mm

Calculation data

Basic dynamic load rating	C	702	kN
Basic static load rating	C₀	1160	kN
Fatigue load limit	P_u	28.5	kN
Limiting speed		2800	r/min
Calculation factor	A	4449.58
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 338 N2MA
Inner Diameter：190mm Outer Diameter：400mm Width：78mm
Reference speed:2800 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：2026-04-16
Application:Control,survey accessories,floor industry,electronic materials,Garment Accessories,Film machine,lifting equipment Hoisting hoist,relay,supporting facilities,paint paint,rolling mill roll neck and slowdown device
Similar models:BD-22338 CCK/W33-AH 2338 G AH 2338 G NU 338 ECM 305338 D 33895/33821 6338 M SAF 22338 TLC NCF 2338 ECJB BD-23238 CCK/W33-H 2338 22338 CC/W33
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Model No.	Inner Diameter	Outer Diameter	Width	Type
122555	311.15	339.73	15.88	Seals
550 VA V	495	-	-	Seals
6212 N	60	110	22	Bearings, units and housings
80x130x12 CRWA1 R	80	130	12	Seals
891/1000 M	1000	1180	109	Bearings, units and housings
HJ 1088	440	512	45	Bearings, units and housings
P 30 WF	30	-	-	Bearings, units and housings
RNU 211 ECJ	66	100	21	Bearings, units and housings
SAFS 22540 x 7.1/4 TLC	184.15	-	-	Bearings, units and housings
SIA 50 TXE-2LS	50	-	35	Bearings, units and housings
W 6204	20	47	14	Bearings, units and housings
WS 81238	190		18	Bearings, units and housings

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