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 N2MA

QJ 208 N2MA

SKF Explorer

Dimensions

d		40	mm
D		80	mm
B		18	mm
d₁	≈	49.5	mm
D₁	≈	66	mm
a		42	mm
h		4	mm
b		5.5	mm
r₀		0.5	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 N2MA
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:tire industry,rubber products machinery and equipment,packing equipment,Broadcasting System,ultra-quiet generators,food add,stacker lift platform,molding machine,thin metal materials,medical treatment,Vertical machining
Similar models:GEZ 208 ES-2RS 7208 CD/HCP4A NU 2080 ECMA NA 2208.2RSX NJ 208 ECP YAR 208-108-2RF 3208 A-2RS1 6309-2Z/VA208 YAR 208-108-2FW/VA201 YEL 208-108-2F
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400141	12.5	-	-	Seals
52220	85	150	67	Bearings, units and housings
7311 BECBM	55	120	29	Bearings, units and housings
84263	-	-	34.93	Seals
BD-C 2319 K-AHX 2319	90	200	67	Bearings, units and housings
HH 224334/310	99.975	212.725	66.675	Bearings, units and housings
L 432349/310	158.75	205.583	23.813	Bearings, units and housings
NATR 17 X	17	40	21	Bearings, units and housings
OH 3964 H	300	380	140	Bearings, units and housings
YAR 216-215-2F		140		Bearings, units and housings

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