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Radial Spherical Plain Bearings GEFZ-S series

Basic Info

Model No.: GEFZ-S series

Product Description


Maintenance Type Spherical Plain Bearings
Carbon steel outer rings will be pressed around the inner ring. Inner rings of maintenance requiring Spherical Plain Bearings are made of hardened carbon chromium steel.Radial Spherical Plain Bearings GEFZ-S series requiring maintenance (steel-on-steel) can be made with outer rings made of hardened carbon chromium steel or carbon steel. Those made with hardened chromium carbon steel will have either axial or radial split(s) to accommodate ball entry.

Radial Spherical Plain Bearings GEFZ-S series

They are available with different sliding contact surface combinations, i.e. the sliding surfaces of inner and outer rings are made from different materials.There are two main groups: Spherical Plain Bearings GEFZ-S series requiring maintenance (steel-on-steel) and maintenance-free Radial Spherical Bearings GEFZ-S series.


Bearing Number Boundary dimensions(mm) Mass
d D B C dk rs r1s α° Kg
min min
GEFZ4S 4.83 14.29 7.14 5.54 10.31 0.3 0.38 11 0.006
GEFZ6S 6.35 16.67 8.71 6.35 12.7 0.3 0.56 13.5 0.01
GEFZ7S 7.94 19.05 9.53 7.14 14.27 0.3 0.81 12 0.014
GEFZ9S 9.53 20.64 10.31 7.92 16.66 0.3 0.81 10 0.017
GEFZ11S 11.11 23.02 11.1 8.71 17.45 0.3 0.81 8 0.021
GEFZ12S 12.7 25.4 12.7 9.91 20.65 0.3 0.81 9.5 0.029
GEFZ14S 14.29 27.78 14.27 11.1 23.01 0.3 0.81 9.5 0.039
GEFZ15S 15.88 30.16 15.88 12.7 25.4 3 0.81 9.5 0.05
GEFZ19S 19.05 36.51 19.05 15.06 30.15 3 1.12 9 0.093
GEFZ22S 22.23 39.69 22.23 17.86 33.32 0.6 1.12 9.5 0.119
GEFZ25S 25.4 44.45 25.4 20.24 38.1 0.6 1.12 10 0.175


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