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 209 MA

QJ 209 MA

SKF Explorer

Dimensions

d		45	mm
D		85	mm
B		19	mm
d₁	≈	54.5	mm
D₁	≈	72	mm
a		46	mm
r_1,2	min.	1.1	mm

Abutment dimensions

d_a	min.	52	mm
D_a	max.	78	mm
r_a	max.	1	mm

Calculation data

Basic dynamic load rating	C	63	kN
Basic static load rating	C₀	56	kN
Fatigue load limit	P_u	2.36	kN
Limiting speed		14000	r/min
Calculation factor	A	8.714
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

0.52

Model Number: QJ 209 MA
Inner Diameter：45mm Outer Diameter：85mm Width：19mm
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：2026-06-24
Application:historical instruments,other mold,small diesel generators,thread processing machine,Switch,tobacco machinery,spring industry,directional control valve,ship special,Safety protection,Grinding and polishing equipment
Similar models:BD-BS2-2209-2RSK/VT143-H 309 E YELAG 209-112 6209-2RS1 7209 CD/P4A 332096 51209 FBSA 209/DB 32209/DF NJ 2209 ECPH NU 2096 ECMA
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Model No. Inner Diameter Outer Diameter Width Type

7008 ACE/HCP4AH1
90869
N 326 ECP
NJ 230 ECJ
NJ 309 ECP

Purchase the SKF QJ 209 MA Angular contact ball bearings, four-point contact ball bearings Please fill in the following

Hot number： 105x135x12 HMSA10 RG 12x32x7 HMS5 V 14x30x7 HMS5 V 38x60x10 HMS5 RG 5523 61948 MA 71826 ACD/P4 FYK 508 GEG 63 ES H 3040 NJ 222 ECP NKIS 25 NU 2268 MA SYE 1 15/16 N SYNT 45 FTS

Model No.	Inner Diameter	Outer Diameter	Width	Type
7008 ACE/HCP4AH1
90869
N 326 ECP
NJ 230 ECJ
NJ 309 ECP