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

21311 EK

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		29	mm
d₂	≈	72.7	mm
D₁	≈	96.2	mm
b		6	mm
K		3	mm
r_1,2	min.	2	mm

Tapered bore, taper 1:12

Abutment dimensions

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

1.7

Mounting information

Recommended lock nut tightening angle

115

Model Number: 21311 EK
Inner Diameter：55mm 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:Anesthetic Equipment,die casting mold,car and accessories,Polymer,security equipment,plastic blow molding,metallurgical mold,instrumentation instrument,intermediate,flexible processing,Pneumatic Actuator
Similar models:21311 E BD-21311 EK-AHX 311 21311 EK BD-21311 EK-H 311
BEARING POWER International Trading Co.,Ltd. specialize in 21311EK products，there is large inventory of SKF 21311 EK Spherical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 21311 EK Which SKF 21311EK 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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