Bearings, units and housings -- Roller bearings -- Spherical roller bearings -- Spherical roller bearings -- SKF 21308 E

21308 E

SKF Explorer

Dimensions

d		40	mm
D		90	mm
B		23	mm
d₂	≈	60	mm
D₁	≈	79.8	mm
b		5.5	mm
K		3	mm
r_1,2	min.	1.5	mm

Abutment dimensions

d_a	min.	49	mm
D_a	max.	81	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	107	kN
Basic static load rating	C₀	108	kN
Fatigue load limit	P_u	12	kN
Reference speed		7000	r/min
Limiting speed		9500	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

0.75

Model Number: 21308 E
Inner Diameter：40mm Outer Diameter：90mm Width：23mm
Reference speed:9500 r/min Limiting speed:7000 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:education model Instruments,Automobile,pneumatic,labor insurance,Seals,Beauty and Body,scientific instruments,Pneumatic Actuator,small appliances,cleaning agent,Ball screw
Similar models:BD-21308 EK-AH 308 21308 E 21308 EK
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