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21315VC3 - SNR

21315VC3

Spherical roller bearing, pressed steel cage

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 160 mm
Bearing/Inner ring width(B) 37 mm
External diameter inner ring d2 97,7 mm
Inner diameter outer ring D1 136 mm
Min fillet radius rs 2,1 mm
Number of lubrication holes 0
Groove width (b) 0 mm
Hole diameter (k) 0 mm
Coef e 0.23
Lower axial load coef (Y1) 2.93
Upper axial load coef (Y2) 4.37
Static axial load coef (Y0) 2.87
Radial clearance class C3
Mass 3,59 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load, C 280 kN
Static load, C0 274 kN
Fatigue limit load, Cu 31,7 kN
Reference thermal speed (Nref) 4000 tr/min
Mechanical Limit Speed Nlim 5200 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 200 °C
Characteristic cage frequency, FTF 0,417 Hz
Characteristic rolling element frequency, BSF 5,791 Hz
Characteristic outer ring frequency, BPF0 6,255 Hz
Characteristic inner ring frequency, BPFI 8,745 Hz

ABUTMENT

Max shoulder diameter IR da max 0 mm
Min shoulder diameter IR da min 87 mm
Max shoulder diameter OR Da max 148 mm
Max shaft & housing fillet radius ra max 2 mm
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