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Insert bearings

EX307-20G2L3 - SNR

EX307-20G2L3

Spherical outer diameter, fixing by eccentric locking collar, triple lip seal

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

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
B - Width of Inner Ring38,1 mm
B1 - Overall width Inner Ring51,6 mm
B2 - Width of eccentric locking collar/nut17,5 mm
C - Width of Outer Ring25 mm
C1 - Distance center of OR to center of lubrication zone7,2 mm
d - Shaft diameter31,75 mm
d1 - Outer dia of eccent. Lock. collar / nut of adapter sleeve55 mm
D - Outer diameter of OR80 mm
G - Set screw size5/16-24UNF
m - Distance to set screw6,7 mm
r - Radius Inner Ring2
S - Distance front side/bearing centre18,3 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
Mass0,86 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