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SKF Spherical roller bearings 21308E

Technical specification

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Dimensions - 21308 E

DIMENSIONS

d
40 mm
D
90 mm
B
23 mm
d2
≈ 60 mm
D1
≈ 79.8 mm
b
5.5 mm
K
3 mm
r1,2
min. 1.5 mm
Abutment dimensions - 21308 E

ABUTMENT DIMENSIONS

da
min. 49 mm
Da
max. 81 mm
ra
max. 1.5 mm

CALCULATION DATA

Basic dynamic load rating C
107 kN
Basic static load rating C0
108 kN
Fatigue load limit Pu
11.8 kN
Reference speed
7 000 r/min
Limiting speed
9 500 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
0.74 kg

Meet the challenge with SKF spherical roller bearings, whose high load carrying capacity and ability to accommodate misalignment help you obtain low maintenance costs and long bearing service life. SKF invented this bearing type in 1919 and our range is the widest in the industry today – both open and sealed. Our assortment includes spherical roller bearings designed for many applications, including wind turbine main shafts, continuous casters, vibratory applications and high-speed applications, as well as bearings with Solid Oil, split bearings,