22212EAKW33ZZ - SNR


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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.


CAD file

Technical datasheet

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Internal diameter d 60 mm
External diameter D 110 mm
Bearing/Inner ring width(B) 28 mm
External diameter inner ring d2 71,9 mm
Inner diameter outer ring D1 98,5 mm
Min fillet radius rs 1,5 mm
Number of lubrication holes 3 or 4
Groove width (b) 6,9 mm
Hole diameter (k) 3 mm
Associated sleeve reference H312
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 1,17 kg
Brand SNR
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Dynamic load, C 187 kN
Static load, C0 181 kN
Fatigue limit load, Cu 22,1 kN
Reference thermal speed (Nref) 5600 tr/min
Mechanical Limit Speed Nlim 7500 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 200 °C
Characteristic cage frequency, FTF 0,422 Hz
Characteristic rolling element frequency, BSF 6,174 Hz
Characteristic outer ring frequency, BPF0 7,595 Hz
Characteristic inner ring frequency, BPFI 10,405 Hz


Max shoulder diameter IR da max 71,9 mm
Min shoulder diameter IR da min 69 mm
Min diameter for Sleeve db 65 mm
Min length fro Sleeve Ce 9 mm
Max shoulder diameter OR Da max 101 mm
Max shaft & housing fillet radius ra max 1,5 mm
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