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Spherical roller bearings

22318EMKW33C3 - NTN

22318EMKW33C3

The spherical roller bearing withstands significant loads and misalignments. This type of roller bearing is well adapted to harsh operating conditions: impacts or vibrations (crushers, vibrating screens, heavy handling, etc.). With the ULTAGE design, NTN offers as standard, unsurpassed endurance and longevity.

Documentation

  • 3D file

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter90 mm
D - External diameter190 mm
B - Bearing/Inner ring width64 mm
D1 - Inner diameter outer ring165,1 mm
rs - Min fillet radius3 mm
Number of lubrication holes3
b - Groove width12 mm
k - Hole diameter5 mm
Associated sleeve referenceH2318
Radial clearance classC3
Mass8,38 kg
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PRODUCT PERFORMANCE
C - Dynamic load668 kN
C0 - Static load652 kN
Cu - Fatigue limit load71,4 kN
e - Coefficient0.33
Y0 - Static axial load coefficient2.01
Y1 - Lower axial load coefficient2.06
Y2 - Upper axial load coefficient3.07
N ref - Reference thermal speed3000 tr/min
N lim - Mechanical Limit Speed3500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
ABUTMENT
da min - Min shoulder diameter IR104 mm
db - Min diameter for Sleeve100 mm
Ce - Min length fro Sleeve7 mm
Da max - Max shoulder diameter OR176 mm
ra max - Max shaft & housing fillet radius2,5 mm
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