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Spherical roller bearings

23972EMD1 - NTN

23972EMD1

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

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter360 mm
D - External diameter480 mm
B - Bearing/Inner ring width90 mm
d2 - External diameter inner ring0 mm
D1 - Inner diameter outer ring447 mm
rs - Min fillet radius3 mm
Number of lubrication holes4
b - Groove width14 mm
k - Hole diameter8 mm
Radial clearance classCN
Mass46,2 kg
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PRODUCT PERFORMANCE
C - Dynamic load1750 kN
C0 - Static load3090 kN
Cu - Fatigue limit load171 kN
e - Coefficient0.17
Y0 - Static axial load coefficient3.91
Y1 - Lower axial load coefficient4
Y2 - Upper axial load coefficient5.96
N lim - Oil lubrication limit speed970 tr/min
N lim - Grease lubrication limit speed760 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
ABUTMENT
da min - Min shoulder diameter IR373 mm
Da max - Max shoulder diameter OR467 mm
ra max - Max shaft & housing fillet radius3 mm
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