Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF BD-21311 EK-AHX 311

21311 EK + AHX 311

SKF Explorer

Dimensions

d₁		50	mm
D		120	mm
B		29	mm
d₂	≈	72.7	mm
D₁	≈	96.2	mm
B₁		37	mm
B₂		40	mm
b		6	mm
K		3	mm
r_1,2	min.	2	mm
G		M 60x2
G₁		7	mm

Abutment dimensions

d_a	min.	62.2	mm
D_a	max.	109	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	159	kN
Basic static load rating	C₀	163	kN
Fatigue load limit	P_u	18	kN
Reference speed		5600	r/min
Limiting speed		7500	r/min
Calculation factor	e	0.24
Calculation factor	Y₁	2.8
Calculation factor	Y₂	4.2
Calculation factor	Y₀	2.8

Mass

Mass bearing + sleeve

1.8

Model Number: BD-21311 EK-AHX 311
Inner Diameter：50mm Outer Diameter：120mm Width：29mm
Reference speed:7500 r/min Limiting speed:5600 r/min
Type：Bearings, units and housings Roller bearings Spherical roller bearings Spherical roller bearings
Details： Spherical roller bearings
Update date：2025-12-09
Application:hydraulic control element,plastic rolling,security equipment,cooling system,pump industry,food add,plastic molding,sucker industry,power protection,Oral Equipment,other processing
Similar models:21311 EK BD-21311 EK-AHX 311 BD-21311 EK-H 311 21311 E
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