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Spherical roller bearings

230/500BL1K - NTN

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 diameter500 mm
D - External diameter720 mm
B - Bearing/Inner ring width167 mm
d2 - External diameter inner ring0 mm
D1 - Inner diameter outer ring653 mm
rs - Min fillet radius6 mm
b - Groove width27 mm
k - Hole diameter16 mm
Associated sleeve referenceH30/500H
Radial clearance classCN
Mass223 kg
PRODUCT PERFORMANCE
C - Dynamic load4250 kN
C0 - Static load8300 kN
Cu - Fatigue limit load645 kN
e - Coefficient0.23
Y0 - Static axial load coefficient2.92
Y1 - Lower axial load coefficient2.98
Y2 - Upper axial load coefficient4.44
N lim - Oil lubrication limit speed530 tr/min
N lim - Grease lubrication limit speed410 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR528 mm
db - Min diameter for Sleeve519 mm
Ce - Min length fro Sleeve18 mm
Da max - Max shoulder diameter OR692 mm
ra max - Max shaft & housing fillet radius5 mm

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