22308EF800 - SNR


Spherical roller bearing for vibratory applications, one-piece machined cage, groove and lubrication holes on outer ring, special C4 class clearance

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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.


3D file

Technical datasheet

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Internal diameter (d) 40 mm
External diameter (D) 90 mm
Bearing/Inner ring width (B) 33 mm
External diameter inner ring (d2) 0 mm
Inner diameter outer ring (D1) 77 mm
Min fillet radius (rs) 1,5 mm
Number of lubrication holes 3
Groove width (b) 6 mm
Hole diameter (k) 3 mm
Coef (e) 0.36
Lower axial load coef (Y1) 1.87
Upper axial load coef (Y2) 2.79
Static axial load coef (Y0) 1.83
Radial clearance class C4 Special
Mass 1,021 kg
Brand SNR
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Dynamic load (C) 169 kN
Static load (C0) 152 kN
Fatigue limit load (Cu) 18,5 kN
Reference thermal speed (Nref) 5800 tr/min
Mechanical Limit Speed (Nlim) 7400 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) 49 mm
Max shoulder diameter OR (Da max) 81 mm
Max shaft & housing fillet radius (ra max) 1,5 mm
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