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22215EAKW33ZZ - SNR

22215EAKW33ZZ

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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 75 mm
External diameter D 130 mm
Bearing/Inner ring width(B) 31 mm
External diameter inner ring d2 88,4 mm
Inner diameter outer ring D1 117,8 mm
Min fillet radius rs 1,5 mm
Number of lubrication holes 3 or 4
Groove width (b) 7,37 mm
Hole diameter (k) 3,5 mm
Associated sleeve reference H315
Coef e 0.22
Lower axial load coef (Y1) 3.13
Upper axial load coef (Y2) 4.67
Static axial load coef (Y0) 3.06
Radial clearance class CN
Mass 1,68 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load, C 244 kN
Static load, C0 249 kN
Fatigue limit load, Cu 29,9 kN
Reference thermal speed (Nref) 4600 tr/min
Mechanical Limit Speed Nlim 6200 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 200 °C
Characteristic cage frequency, FTF 0,428 Hz
Characteristic rolling element frequency, BSF 6,707 Hz
Characteristic outer ring frequency, BPF0 8,127 Hz
Characteristic inner ring frequency, BPFI 10,873 Hz

ABUTMENT

Max shoulder diameter IR da max 88,4 mm
Min shoulder diameter IR da min 84 mm
Min diameter for Sleeve db 80 mm
Min length fro Sleeve Ce 12 mm
Max shoulder diameter OR Da max 121 mm
Max shaft & housing fillet radius ra max 1,5 mm
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