Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 311

311

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	79.2	kN
Basic static load rating	C₀	67	kN
Fatigue load limit	P_u	2.85	kN
Reference speed		10000	r/min
Limiting speed		6300	r/min
Calculation factor	k_r	0.05

Mass

Mass bearing

1.5

Model Number: 311
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:6300 r/min Limiting speed:10000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-17
Application:Medical room equipment,Cylinder Pneumatic Treatment Element,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,powder metallurgy,industrial fans,transportation equipment,cleaning agent,trolley,Industrial equipment,vacuum suction cup,marine analysis and testing equipment
Similar models:W 6207-2RS1/VP311 7311 BECBPH 331158 A HM 231132/110 BA1B 311745 WS 89311 H 2311 33111 6311/VA201 W 6206-2RS1/VP311
BEARING POWER International Trading Co.,Ltd. specialize in 311 products，there is large inventory of SKF 311 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 311 Which SKF 311 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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50x90x8 CRW1 R	50	90	8	Seals
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71919 CD/HCP4AH1	95	130	18	Bearings, units and housings
BK 2216	22	28	16	Bearings, units and housings
PCM 16016580 E	160	165	80	Bearings, units and housings
PFT 1. TR	25.4	-	-	Bearings, units and housings
PSM 303525 A51	30	35	25	Bearings, units and housings
WS 81220	100		11.5	Bearings, units and housings

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