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Spherical roller bearings

24084B - NTN

24084B

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 diameter420 mm
D - External diameter620 mm
B - Bearing/Inner ring width200 mm
d2 - External diameter inner ring0 mm
D1 - Inner diameter outer ring551 mm
rs - Min fillet radius5 mm
Number of lubrication holes8
b - Groove width27 mm
k - Hole diameter16 mm
Radial clearance classCN
Mass210 kg
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PRODUCT PERFORMANCE
C - Dynamic load4300 kN
C0 - Static load8450 kN
Cu - Fatigue limit load470 kN
e - Coefficient0.32
Y0 - Static axial load coefficient2.08
Y1 - Lower axial load coefficient2.13
Y2 - Upper axial load coefficient3.17
N lim - Oil lubrication limit speed570 tr/min
N lim - Grease lubrication limit speed440 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR442 mm
Da max - Max shoulder diameter OR598 mm
ra max - Max shaft & housing fillet radius4 mm
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