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

6311-Z

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
Reference speed		12000	r/min
Limiting speed		8000	r/min
Calculation factor	k_r	0.03
Calculation factor	f₀	13.1

Mass

Mass bearing

1.39

Model Number: 6311-Z
Inner Diameter：55mm Outer Diameter：120mm Width：29mm
Reference speed:8000 r/min Limiting speed:12000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-07-28
Application:electric hydraulic lifting platform,electromagnet,other accessories,surgical instruments,insect experimental analysis instrument,knitted fabrics,Industrial equipment,electromagnetic clutch,decoration machinery,Infrared Technology,Automobile
Similar models:6311-2Z/VA201 6311-Z 6311-2RS1 6311 N 6311 6311-RS1 6311 M 6311/HC5C3 6311-2Z 6311-ZNR
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Model No. Inner Diameter Outer Diameter Width Type

21x35x7 CRW1 R
PBM 6580120 M1G1
PFT 17 FM
SNP 3152x9.7/16
SYR 3-18

Purchase the SKF 6311-Z Please fill in the following

Hot number： 30213 32x44x7 HMSA10 V 524224 619/6 6224-2RS1 71914 CE/P4AH1 8763 NJ 220 ECM NU 1884 MA PBM 220240250 M1G1 SAF 22534 SAF 22622 x 3.3/4 T SYE 2 7/16 W 639-2Z WS 89313

Model No.	Inner Diameter	Outer Diameter	Width	Type
21x35x7 CRW1 R
PBM 6580120 M1G1
PFT 17 FM
SNP 3152x9.7/16
SYR 3-18