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Spherical roller bearings

232/530BL1K - NTN

Spherical roller bearing, with central rib on inner ring, 2-part machined cage centred on inner ring, groove and lubrication holes on outer ring, tapered bore 1:12

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 diameter530 mm
D - External diameter980 mm
B - Bearing/Inner ring width355 mm
d2 - External diameter inner ring0 mm
D1 - Inner diameter outer ring827 mm
rs - Min fillet radius9,5 mm
Number of lubrication holes8
b - Groove width42 mm
k - Hole diameter25 mm
Associated sleeve referenceH32/530
Radial clearance classCN
Mass1170 kg
PRODUCT PERFORMANCE
C - Dynamic load11500 kN
C0 - Static load19800 kN
Cu - Fatigue limit load1210 kN
e - Coefficient0.39
Y0 - Static axial load coefficient1.7
Y1 - Lower axial load coefficient1.74
Y2 - Upper axial load coefficient2.59
N lim - Oil lubrication limit speed370 tr/min
N lim - Grease lubrication limit speed280 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR574 mm
db - Min diameter for Sleeve566 mm
Ce - Min length fro Sleeve20 mm
Da max - Max shoulder diameter OR936 mm
ra max - Max shaft & housing fillet radius8 mm

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