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Spherical roller bearings

22312EAW33ZZC3 - SNR

22312EAW33ZZC3
22312EAW33ZZC3
22312EAW33ZZC3

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 diameter130 mm
B - Bearing/Inner ring width46 mm
d2 - External diameter inner ring75,3 mm
D1 - Inner diameter outer ring111,9 mm
rs - Min fillet radius2,1 mm
Number of lubrication holes3
b - Groove width9 mm
k - Hole diameter4 mm
Radial clearance classC3
Mass2,9 kg
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PRODUCT PERFORMANCE
C - Dynamic load340 kN
C0 - Static load319 kN
Cu - Fatigue limit load38,9 kN
e - Coefficient0.35
Y0 - Static axial load coefficient1.91
Y1 - Lower axial load coefficient1.95
Y2 - Upper axial load coefficient2.9
N ref - Reference thermal speed4300 tr/min
N lim - Mechanical Limit Speed5100 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)5,625 Hz
BPFI - Over rolling frequency on inner (60 rpm)8,375 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,768 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,384 Hz
FTF - Rotational frequency - cage (60 rpm)0,402 Hz
ABUTMENT
da max - Max shoulder diameter IR75,3 mm
da min - Min shoulder diameter IR72 mm
Da max - Max shoulder diameter OR118 mm
ra max - Max shaft & housing fillet radius2 mm

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