Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 311-2Z

311-2Z

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		5000	r/min
Calculation factor	k_r	0.05

Mass

Mass bearing

1.5

Model Number: 311-2Z
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:5000 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：2026-07-24
Application:Performance test,hinge industry,expectoration machine,meat products machine,stacker lift platform,tapered grinder,Roller mill,sheet industry,garbage disposal,packaging materials,Spectrum Products
Similar models:331175 A 6311-2ZNR BD-C 2211 KTN9-AHX 311 7311 BEGAM NU 2311 ECML 2311 K W 6002-2RS1/VP311 W 6003-2RS1/VP311 HM 231132/110 33111
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Model No. Inner Diameter Outer Diameter Width Type

10047
10x19x7 HMSA10 RG1
618/1000 MA
G 20x26x4
NNCL 4972 CV

Purchase the SKF 311-2Z Please fill in the following

Hot number： 24122 CC/W33 260x320x25 HDS2 R 30238 44959 45x68x10 HMS5 V 470x530x26 HDS2 R 6018 NR 61813-2RZ 7014 ACB/HCP4AL NJ 2211 ECML NU 1024 M NUP 2217 ECP PFD 17 RM S7024 CE/P4A SYJ 1. TF

Model No.	Inner Diameter	Outer Diameter	Width	Type
10047
10x19x7 HMSA10 RG1
618/1000 MA
G 20x26x4
NNCL 4972 CV