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Spherical roller bearings

22317EMKW33C4 - SNR

22317EMKW33C4

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 diameter85 mm
D - External diameter180 mm
B - Bearing/Inner ring width60 mm
d2 - External diameter inner ring0 mm
D1 - Inner diameter outer ring156,7 mm
rs - Min fillet radius3 mm
Number of lubrication holes3
b - Groove width10,98 mm
k - Hole diameter5 mm
Associated sleeve referenceH2317
Radial clearance classC4
Mass7,06 kg
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PRODUCT PERFORMANCE
C - Dynamic load599 kN
C0 - Static load604 kN
Cu - Fatigue limit load67 kN
e - Coefficient0.32
Y0 - Static axial load coefficient2.04
Y1 - Lower axial load coefficient2.09
Y2 - Upper axial load coefficient3.11
N ref - Reference thermal speed3200 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)6,111 Hz
BPFI - Over rolling frequency on inner (60 rpm)8,889 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,096 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,548 Hz
FTF - Rotational frequency - cage (60 rpm)0,407 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR99 mm
db - Min diameter for Sleeve94 mm
Ce - Min length fro Sleeve7 mm
Da max - Max shoulder diameter OR166 mm
ra max - Max shaft & housing fillet radius2,5 mm
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