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

311-Z

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	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-Z
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：2026-04-16
Application:Wire grinder,Optical Instruments,organic raw materials,cooling system,Oral Image,textile machinery,machine tool spindle,Garment Accessories,SPA equipment,vertical processing,wheel lathe
Similar models:W 608-2RS1/VP311 HA 2311 W 6002-2RS1/VP311 311 22311 EK/VA405 H 311 7311 ACCBM 33117 FSAF 1311 T 331138 AG
BEARING POWER International Trading Co.,Ltd. specialize in 311-Z products，there is large inventory of SKF 311-Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 311-Z Which SKF 311-Z 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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