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Insert bearings
EX307-20G2L3 - SNR
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.
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Documentation
Product information
PRODUCT DEFINITION
Brand
SNR
B - Width of Inner Ring
38,1 mm
B1 - Overall width Inner Ring
51,6 mm
B2 - Width of eccentric locking collar/nut
17,5 mm
C - Width of Outer Ring
25 mm
C1 - Distance center of OR to center of lubrication zone
7,2 mm
d - Shaft diameter
31,75 mm
d1 - Outer dia of eccent. Lock. collar / nut of adapter sleeve
55 mm
D - Outer diameter of OR
80 mm
G - Set screw size
5/16-24UNF
m - Distance to set screw
6,7 mm
r - Radius Inner Ring
2
S - Distance front side/bearing centre
18,3 mm
f0 - Factor
12.8
SW - Wrench size
3,969 mm
PRODUCT PERFORMANCE
C - Dynamic load rating
33,5 kN
C0 - Static load rating
19,2 kN
Operating temperature min.
-20 °C
Operating temperature max.
100 °C
OTHER FEATURES
Mass
0,86 kg
Recommended tightening torque for set screw
8 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)
