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22228EAW33C4 - SNR


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

product label

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.


CAD file

Technical datasheet

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Internal diameter (d) 140 mm
External diameter (D) 250 mm
Bearing/Inner ring width (B) 68 mm
External diameter inner ring (d2) 163,9 mm
Inner diameter outer ring (D1) 223,9 mm
Min fillet radius (rs) 3 mm
Number of lubrication holes 3 or 4
Groove width (b) 14,2 mm
Hole diameter (k) 7 mm
Coef (e) 0.25
Lower axial load coef (Y1) 2.74
Upper axial load coef (Y2) 4.08
Static axial load coef (Y0) 2.68
Radial clearance class C4
Mass 14,2 kg
Brand SNR
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Dynamic load (C) 867 kN
Static load (C0) 1010 kN
Fatigue limit load (Cu) 100 kN
Reference thermal speed (Nref) 2500 tr/min
Mechanical Limit Speed (Nlim) 3300 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 200 °C


Max shoulder diameter IR (da max) 0 mm
Min shoulder diameter IR (da min) 154 mm
Max shoulder diameter OR (Da max) 236 mm
Max shaft & housing fillet radius (ra max) 2,5 mm
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