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Spherical roller bearings

23026EAKW33C4 - SNR

23026EAKW33C4
23026EAKW33C4
23026EAKW33C4
23026EAKW33C4

Spherical roller bearing, pressed steel cage, 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
BrandSNR
d - Internal diameter130 mm
D - External diameter200 mm
B - Bearing/Inner ring width52 mm
d2 - External diameter inner ring146 mm
D1 - Inner diameter outer ring182,6 mm
rs - Min fillet radius2 mm
Number of lubrication holes3
b - Groove width8,91 mm
k - Hole diameter4 mm
Associated sleeve referenceH3026
Radial clearance classC4
Mass5,64 kg
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PRODUCT PERFORMANCE
C - Dynamic load565 kN
C0 - Static load721 kN
Cu - Fatigue limit load75,3 kN
e - Coefficient0.22
Y0 - Static axial load coefficient2.94
Y1 - Lower axial load coefficient3.01
Y2 - Upper axial load coefficient4.48
N ref - Reference thermal speed3000 tr/min
N lim - Mechanical Limit Speed3600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)10,618 Hz
BPFI - Over rolling frequency on inner (60 rpm)13,383 Hz
BSF - Over rolling frequency on rolling element (60 rpm)8,471 Hz
BRF - Rotational frequency – rolling element (60 rpm)4,236 Hz
FTF - Rotational frequency - cage (60 rpm)0,442 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR138,8 mm
db - Min diameter for Sleeve137 mm
Ce - Min length fro Sleeve8 mm
Da max - Max shoulder diameter OR191,2 mm
ra max - Max shaft & housing fillet radius2 mm
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