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21313V - SNR

21313V

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 EUROPE offers as standard, unsurpassed endurance and longevity.

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Technical datasheet

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PRODUCT DEFINITION
BrandSNR
d - Internal diameter65 mm
D - External diameter140 mm
B - Bearing/Inner ring width33 mm
d2 - External diameter inner ring85,8 mm
D1 - Inner diameter outer ring119,7 mm
rs - Min fillet radius2,1 mm
Number of lubrication holes0
b - Groove width0 mm
k - Hole diameter0 mm
Radial clearance classCN
Mass2,41 kg
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PRODUCT PERFORMANCE
C - Dynamic load224 kN
C0 - Static load215 kN
Cu - Fatigue limit load25,8 kN
e - Coefficient0.23
Y0 - Static axial load coefficient2.84
Y1 - Lower axial load coefficient2.91
Y2 - Upper axial load coefficient4.33
Nref - Reference thermal speed4400 tr/min
Nlim - Mechanical Limit Speed5900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature200 °C
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)6,245 Hz
BPFI - Characteristic inner ring frequency (60 rpm)8,755 Hz
FTF - Characteristic cage frequency (60 rpm)0,416 Hz
BSF - Characteristic rolling element frequency (60 rpm)5,739 Hz
ABUTMENT
da max - Max shoulder diameter IR0 mm
da min - Min shoulder diameter IR77 mm
Da max - Max shoulder diameter OR128 mm
ra max - Max shaft & housing fillet radius2 mm
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