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 311 MA

QJ 311 MA

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	70.5	mm
D₁	≈	97.8	mm
a		61	mm
r_1,2	min.	2	mm

Abutment dimensions

d_a	min.	66	mm
D_a	max.	109	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	137	kN
Basic static load rating	C₀	118	kN
Fatigue load limit	P_u	5	kN
Limiting speed		10000	r/min
Calculation factor	A	40.42
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

1.75

Model Number: QJ 311 MA
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:10000 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:gear type,turret industry,Embroidery,forklift truck,chemical instruments,Spectrum Products,vertical processing,other lathe,plastic molding,hydraulic cylinder buffer,printing machinery
Similar models:3311 A HA 2311 BA1B 311745 7311 BEGBY HJ 2311 EC 2211 EKTN9 + H 311 331138 AG W 6000-2RS1/VP311 33113 R 3311 A-2Z
BEARING POWER International Trading Co.,Ltd. specialize in QJ311MA products，there is large inventory of SKF QJ 311 MA Four-point contact ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 311 MA Which SKF QJ311MA is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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SYR 3 15/16 N	100.0125	-	-	Bearings, units and housings
SYE 2 15/16 N-118	74.6125	-	-	Bearings, units and housings

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