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22220EAW33ZZ - SNR

22220EAW33ZZ

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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-SNR offers as standard, unsurpassed endurance and longevity.

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Internal diameter d 100 mm
External diameter D 180 mm
Bearing/Inner ring width(B) 46 mm
External diameter inner ring d2 118,2 mm
Inner diameter outer ring D1 160,8 mm
Min fillet radius rs 2,1 mm
Number of lubrication holes 3 or 4
Groove width (b) 11 mm
Hole diameter (k) 5 mm
Coef e 0.24
Lower axial load coef (Y1) 2.84
Upper axial load coef (Y2) 4.23
Static axial load coef (Y0) 2.78
Radial clearance class CN
Mass 4,989 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load, C 472 kN
Static load, C0 495 kN
Fatigue limit load, Cu 54,3 kN
Reference thermal speed (Nref) 3600 tr/min
Mechanical Limit Speed Nlim 4600 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 200 °C
Characteristic cage frequency, FTF 0,423 Hz
Characteristic rolling element frequency, BSF 6,233 Hz
Characteristic outer ring frequency, BPF0 7,608 Hz
Characteristic inner ring frequency, BPFI 10,392 Hz

ABUTMENT

Max shoulder diameter IR da max 118,2 mm
Min shoulder diameter IR da min 112 mm
Min diameter for Sleeve db 0 mm
Max shoulder diameter OR Da max 168 mm
Max shaft & housing fillet radius ra max 2 mm
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