Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6311

6311

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₁	≈	75.34	mm
D₂	≈	103.7	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	74.1	kN
Basic static load rating	C₀	45	kN
Fatigue load limit	P_u	1.9	kN
Reference speed		12000	r/min
Limiting speed		8000	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	13.1

Mass

Mass bearing

1.37

Model Number: 6311
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:8000 r/min Limiting speed:12000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-07-23
Application:medical equipment,hydraulic pressure gauge,Air,Gas turbine,Sensors,engineering machine,textile machinery,storage shelves,rehabilitation training equipment,heating fans,Cylinder Pneumatic Treatment Element
Similar models:6311-2Z/VA228 6311 6311-ZNR 6311-2Z 6311-Z 6311-2ZNR 6311 M 6311/VA201 6311 NR 6311-2Z/VA201
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Model No. Inner Diameter Outer Diameter Width Type

42644
HM 807040/010
PCM 455020 M
PWM 140155180
SAF 1513

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Model No.	Inner Diameter	Outer Diameter	Width	Type
42644
HM 807040/010
PCM 455020 M
PWM 140155180
SAF 1513