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Insert bearings

UC307-20G2 - SNR

UC307-20G2

Spherical outer diameter, fixing by socket set screw, seal with slinger

Bearing inserts for bearing units, are proposed with different locking devices for easy assembly.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
B - Width of Inner Ring48 mm
C - Width of Outer Ring25 mm
C1 - Distance center of OR to center of lubrication zone7,2 mm
d - Shaft diameter31,75 mm
D - Outer diameter of OR80 mm
G - Set screw size5/16-24UNF
m - Distance to set screw8 mm
r - Radius Inner Ring2
S - Distance front side/bearing centre19 mm
f0 - Factor12.8
SW - Wrench size3,969 mm
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PRODUCT PERFORMANCE
C - Dynamic load rating33,5 kN
C0 - Static load rating19,2 kN
Operating temperature min.-20 °C
Operating temperature max.100 °C
OTHER FEATURES
Mass0,77 kg
Recommended tightening torque for set screw8 N-m
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)2,63 Hz
BPFI - Over rolling frequency on inner (60 rpm)4,37 Hz
BSF - Over rolling frequency on rolling element (60 rpm)3,776 Hz
BRF - Rotational frequency – rolling element (60 rpm)1,888 Hz
FTF - Rotational frequency - cage (60 rpm)0,376 Hz