Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 6311-2RS1

6311-2RS1

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.	75.2	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
Limiting speed		3800	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	13.1

Mass

Mass bearing

1.41

Model Number: 6311-2RS1
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:3800 r/min Limiting speed:r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-07-29
Application:Reflective Materials Industrial fabrics,Internal thread type,spring industry,industry test,pipe fittings Steel industry,boring bar boring bar,industrial skin care,cooling system,wheel lathe,hydraulic cylinder,electric hydraulic lifting platform
Similar models:6311-RS1 6311-Z 6311-2Z/VA228 6311 6311/HC5C3 6311-2Z/VA201 6311 N 6311-2RS1 6311 M 6311-2RSH
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Model No. Inner Diameter Outer Diameter Width Type

99334
GS 89432
NA 4872
NJG 2313 VH
SNL 3234 G

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Hot number： 22316 EK 27x42x10 HMSA10 V 375 VL V 48x70x10 HMSA10 V 6200 71910 CD/HCP4A FY 35 LDW GB 3017 GS 89417 N 1020 KTN9/SP PBM 110130140 M1G1 PCZ 1414 E SAF 22215 TLC SAW 23544 TLC SNW 3024x4

Model No.	Inner Diameter	Outer Diameter	Width	Type
99334
GS 89432
NA 4872
NJG 2313 VH
SNL 3234 G