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Spherical roller bearings

22212EAW33C3 - SNR

22212EAW33C3

Spherical roller bearing, pressed steel cage, groove and lubrication holes on outer ring

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 diameter60 mm
D - External diameter110 mm
B - Bearing/Inner ring width28 mm
d2 - External diameter inner ring71,9 mm
D1 - Inner diameter outer ring98,5 mm
rs - Min fillet radius1,5 mm
Number of lubrication holes3
b - Groove width6,9 mm
k - Hole diameter3 mm
Radial clearance classC3
Mass1,134 kg
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PRODUCT PERFORMANCE
C - Dynamic load187 kN
C0 - Static load181 kN
Cu - Fatigue limit load22,1 kN
e - Coefficient0.24
Y0 - Static axial load coefficient2.78
Y1 - Lower axial load coefficient2.84
Y2 - Upper axial load coefficient4.23
N ref - Reference thermal speed5600 tr/min
N lim - Mechanical Limit Speed7500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,595 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,405 Hz
BSF - Over rolling frequency on rolling element (60 rpm)6,174 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,087 Hz
FTF - Rotational frequency - cage (60 rpm)0,422 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR69 mm
Da max - Max shoulder diameter OR101 mm
ra max - Max shaft & housing fillet radius1,5 mm
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