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 308 MA

QJ 308 MA

SKF Explorer

Dimensions

d		40	mm
D		90	mm
B		23	mm
d₁	≈	52	mm
D₁	≈	72.5	mm
a		46	mm
r_1,2	min.	1.5	mm

Abutment dimensions

d_a	min.	49	mm
D_a	max.	81	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	78	kN
Basic static load rating	C₀	64	kN
Fatigue load limit	P_u	2.7	kN
Limiting speed		14000	r/min
Calculation factor	A	11.177
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

0.78

Model Number: QJ 308 MA
Inner Diameter：40mm Outer Diameter：90mm Width：23mm
Reference speed:14000 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：2021-06-08
Application:bathroom facilities,food testing,internal combustion engine,vertical pull,walking Food processing machinery and equipment,medical equipment,cleaners,root canal filling,Industrial Adhesive,electric pump,Workpiece
Similar models:6308-ZNR 2308 E-2RS1KTN9 QJ 308 MA AH 308 NU 3084 ECMA WS 89308 6308-2Z/VA208 6308-2Z/VA228 SNL 3084 TURT GEZM 308 ES-2LS
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71907 CE/P4AH	35	55	10	Bearings, units and housings
IR 100x110x40	100	110	40	Bearings, units and housings
IR 7x10x12 EGS	7	10	12	Seals
SNP 3156x10.7/16	265.1125	280	197.0024	Bearings, units and housings
YEL 205-2F	25	52	34.9	Bearings, units and housings
Z 202	15	-	4	Seals

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Hot number： 14259 22319 EKJA/VA405 317-2Z 39935 50x62x7 CRS1 R 6011-2Z 61880 MA D/W R1 R-2Z FYTBK 35 LF KMFE 17 L 68149/111 N 218 ECP NU 210 ECML PBM 071212 M1 W 6003