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Spherical roller bearings

23230EMKW33 - NTN

23230EMKW33

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 diameter150 mm
D - External diameter270 mm
B - Bearing/Inner ring width96 mm
D1 - Inner diameter outer ring236,6 mm
rs - Min fillet radius3 mm
Number of lubrication holes3
b - Groove width13,7 mm
k - Hole diameter6 mm
Associated sleeve referenceH2330
Radial clearance classCN
Mass22,8 kg
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PRODUCT PERFORMANCE
C - Dynamic load1340 kN
C0 - Static load1620 kN
Cu - Fatigue limit load157 kN
e - Coefficient0.33
Y0 - Static axial load coefficient1.98
Y1 - Lower axial load coefficient2.03
Y2 - Upper axial load coefficient3.02
N ref - Reference thermal speed1500 tr/min
N lim - Mechanical Limit Speed2200 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
ABUTMENT
da min - Min shoulder diameter IR164 mm
db - Min diameter for Sleeve163 mm
Ce - Min length fro Sleeve20 mm
Da max - Max shoulder diameter OR256 mm
ra max - Max shaft & housing fillet radius2,5 mm
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