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 208 MA

QJ 208 MA

SKF Explorer

Dimensions

d		40	mm
D		80	mm
B		18	mm
d₁	≈	49.5	mm
D₁	≈	66	mm
a		42	mm
r_1,2	min.	1.1	mm

Abutment dimensions

d_a	min.	47	mm
D_a	max.	73	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	56	kN
Basic static load rating	C₀	49	kN
Fatigue load limit	P_u	2.08	kN
Limiting speed		15000	r/min
Calculation factor	A	6.602
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

0.45

Model Number: QJ 208 MA
Inner Diameter：40mm Outer Diameter：80mm Width：18mm
Reference speed:15000 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:powder metallurgy,Laser Devices,garbage disposal,shaft milling machine,Forging machine,static control,Automobile,industry test,Control,CNC,machining
Similar models:1208 EKTN9 7208 BECBPH GEZM 208 ESX-2LS YET 208/VL065 PBM 061208 M1 NJ 2208 ECP W 6208-2RZ 62208-2RS1 NJ 208 ECJ YAR 208-2RF/HV
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Model No.	Inner Diameter	Outer Diameter	Width	Type
20x30x5 CRS1 R	20	30	5	Seals
419006	1720	-	-	Seals
6006/HR22T2	30	55	13	Bearings, units and housings
627-2RSLTN9/HC5C3WTF1	7	22	7	Bearings, units and housings
7012 ACE/P4AL1	60	95	18	Bearings, units and housings
7308 BECAP	40	90	23	Bearings, units and housings
IR 100x115x40	100	115	40	Bearings, units and housings
K 80x88x46 ZW	80	88	46	Bearings, units and housings
K 81115 TN	75	100		Bearings, units and housings
NKI 50/35	50	68	35	Bearings, units and housings
NNU 4944 BK/SPW33	220	300	80	Bearings, units and housings
SI 8 E	8	-	8	Bearings, units and housings

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