• English
  • Français
  • Deutsch
  • Italiano
  • Español
  • Português do Brasil
  • Polski
  • Русский
  • Türkçe

Spherical roller bearings

22320EAKW33C4 - SNR

22320EAKW33C4

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 diameter100 mm
D - External diameter215 mm
B - Bearing/Inner ring width73 mm
d2 - External diameter inner ring126,7 mm
D1 - Inner diameter outer ring186,7 mm
rs - Min fillet radius3 mm
Number of lubrication holes3
b - Groove width13,26 mm
k - Hole diameter6 mm
Associated sleeve referenceH2320
Radial clearance classC4
Mass12,188 kg
undefined
PRODUCT PERFORMANCE
C - Dynamic load827 kN
C0 - Static load844 kN
Cu - Fatigue limit load88,9 kN
e - Coefficient0.34
Y0 - Static axial load coefficient1.93
Y1 - Lower axial load coefficient1.98
Y2 - Upper axial load coefficient2.94
N ref - Reference thermal speed2600 tr/min
N lim - Mechanical Limit Speed3100 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6,08 Hz
BPFI - Over rolling frequency on inner (60 rpm)8,92 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,964 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,482 Hz
FTF - Rotational frequency - cage (60 rpm)0,405 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR114 mm
db - Min diameter for Sleeve110 mm
Ce - Min length fro Sleeve7 mm
Da max - Max shoulder diameter OR201 mm
ra max - Max shaft & housing fillet radius2,5 mm
undefined