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：2026-07-29
Application:auto tools,Pneumatic Actuator,Spectral Products,heating fans,Rolling mill,mobile toilet,Pneumatic Actuator,coupling type,cleaning agent,security equipment,electromagnet
Similar models:QJ 308 N2PHAS C 3080 KM BD-C 3088 KMB-OH 3088 HE K 89308 TN HJ 308 EC RNU 308 ECJ 2308 E-2RS1KTN9 + H 2308 23088 CA/W33 SNL 3084 TURT BD-21308 EK-AH 308
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Model No. Inner Diameter Outer Diameter Width Type

15x32x7 CRW1 R
BD-23044-2CS5K/VT143-OH 3044 H
BT1B 334140/HA4
BD-C 2208 KTN9-H 308 E
SAF 22312

Purchase the SKF QJ 308 MA Angular contact ball bearings, four-point contact ball bearings Please fill in the following

Hot number： 470311 50x80x8 CRW1 V 5133 71832 CD/P4 71912 ACB/P4A HM 803149/110 IR 17x20x20 NJ 321 ECML RMS 5 S7011 CE/P4A SSAFS 22534 TLC SY 15 FM W 633 WBB1-8712 YAR 206-101-2F

Model No.	Inner Diameter	Outer Diameter	Width	Type
15x32x7 CRW1 R
BD-23044-2CS5K/VT143-OH 3044 H
BT1B 334140/HA4
BD-C 2208 KTN9-H 308 E
SAF 22312