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22218EAKW33ZZC3 - SNR

22218EAKW33ZZC3

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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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PRODUCT DIMENSIONS

Internal diameter d 90 mm
External diameter D 160 mm
Bearing/Inner ring width(B) 40 mm
External diameter inner ring d2 105,3 mm
Inner diameter outer ring D1 143,2 mm
Min fillet radius rs 2 mm
Number of lubrication holes 3 or 4
Groove width (b) 10,2 mm
Hole diameter (k) 4,5 mm
Associated sleeve reference H318
Coef e 0.23
Lower axial load coef (Y1) 2.9
Upper axial load coef (Y2) 4.31
Static axial load coef (Y0) 2.83
Radial clearance class C3
Mass 3,32 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load, C 384 kN
Static load, C0 398 kN
Fatigue limit load, Cu 45,2 kN
Reference thermal speed (Nref) 3900 tr/min
Mechanical Limit Speed Nlim 5100 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 6,241 Hz
Characteristic outer ring frequency, BPF0 7,609 Hz
Characteristic inner ring frequency, BPFI 10,391 Hz

ABUTMENT

Max shoulder diameter IR da max 105,3 mm
Min shoulder diameter IR da min 101 mm
Min diameter for Sleeve db 96 mm
Min length fro Sleeve Ce 10 mm
Max shoulder diameter OR Da max 149 mm
Max shaft & housing fillet radius ra max 2 mm
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