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

21311 E

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

Abutment dimensions

d_a	min.	66	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

1.7

Model Number: 21311 E
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：2026-04-16
Application:transistor fittings,Rolling mill,surgical instruments,auto tools,universal category,medical equipment,Other Measurements,Pneumatic Control Elements,key lock,Medium and large motor,Liposuction device
Similar models:21311 E BD-21311 EK-AHX 311 BD-21311 EK-H 311 21311 EK
BEARING POWER International Trading Co.,Ltd. specialize in 21311E products，there is large inventory of SKF 21311 E Spherical roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 21311 E Which SKF 21311E 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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19746	50.8	66.62	6.35	Seals
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29891	76.2	98.45	11.91	Seals
36005	91.9988	110.0074	9.4996	Seals
390x434x20 HDS2 R	390	434	20	Seals
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7310 ACCBM	50	110	27	Bearings, units and housings
BT4-8127 E1/C700	310	430	-	Bearings, units and housings
FYTWR 30 YTHR	30	-	-	Bearings, units and housings
N 324 ECP	120	260	55	Bearings, units and housings
SE 510-608	45	-	-	Bearings, units and housings

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