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Spherical roller bearings

22340EMKW33C3 - SNR

22340EMKW33C3

Spherical roller bearing, one-piece machined 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 diameter200 mm
D - External diameter420 mm
B - Bearing/Inner ring width138 mm
d2 - External diameter inner ring0 mm
D1 - Inner diameter outer ring363,1 mm
rs - Min fillet radius5 mm
Number of lubrication holes8
b - Groove width21,07 mm
k - Hole diameter10 mm
Associated sleeve referenceH2340
Radial clearance classC3
Mass95 kg
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PRODUCT PERFORMANCE
C - Dynamic load2830 kN
C0 - Static load3530 kN
Cu - Fatigue limit load302 kN
e - Coefficient0.31
Y0 - Static axial load coefficient2.1
Y1 - Lower axial load coefficient2.15
Y2 - Upper axial load coefficient3.2
N ref - Reference thermal speed1000 tr/min
N lim - Mechanical Limit Speed1500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,561 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,439 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,964 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,982 Hz
FTF - Rotational frequency - cage (60 rpm)0,42 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR220 mm
db - Min diameter for Sleeve216 mm
Ce - Min length fro Sleeve9 mm
Da max - Max shoulder diameter OR400 mm
ra max - Max shaft & housing fillet radius4 mm
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