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：2025-12-09
Application:thin metal materials,electrocardiograph,plastic molding,tapping machine,engineering machinery,power source,Industrial,Forming mold,animal,Handling machinery and various industrial machinery,multi-knife lathe
Similar models:331169 E/C500 BA1B 311745 7311 BEGAY NJG 2311 VH 22311 EK/VA405 331175 BG/C355 22311 EK + AHX 2311 7311 BEGBM 6311-2Z BD-21311 EK-H 311
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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
45x62x7 HMS5 V	45	62	7	Seals
6006-2Z	30	55	13	Bearings, units and housings
607-2RSL	7	19	6	Bearings, units and housings
60x85x10 HMS5 V	60	85	10	Seals
6211-2Z	55	100	21	Bearings, units and housings
BT4B 332642/HA1	317.5	422.275	-	Bearings, units and housings
ECY 207	-	-	-	Bearings, units and housings
HME 30/800	90	-	800	Bearings, units and housings
NJ 312 ECPH	60	130	31	Bearings, units and housings
S71915 CB/HCP4A	75	105	16	Bearings, units and housings
SAFS 22528 x 4.13/16	122.2375	-	-	Bearings, units and housings
SNP 3152x9.7/16	239.7125	309.7022	192.6082	Bearings, units and housings

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Hot number： 18582 61824-2RS1 71908 CE/P4AH1 7313 BECBP 98x120x12 CRW1 V 99387 BT1B 332900 GE 60 CJ2 GEC 320 TXA-2RS K 81117 TN M 349547/510 NU 2217 ECPH OH 31/900 H SSAFS 22526 x 4.3/8 SY 506 M