BEARING ITALIA S.P.A

Radial spherical plain bearings

Radial spherical plain bearings have an inner ring with a sphered convex outside surface and an outer ring with a correspondingly sphered but concave inside surface. Their design makes them particularly suitable for bearing arrangements where alignment movements between shaft and housing have to be accommodated, or where oscillating or recurrent tilting or slewing movements must be permitted at relatively slow sliding speeds. 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 requiring maintenance (steel-on-steel) and maintenance-free spherical plain bearings.

The radial spherical plain bearings requiring maintenance (steel-on-steel) have hardened sliding contact surface on both rings. The surfaces are treated with molybdenum disulphide (MoS2) lubrication and a phosphate coating. They have both wear and corrosion resistant characteristics. Bearings with this sliding contact surface combination require regular relubrication. The high strength of the sliding contact surfaces makes these bearings especially suitable for bearing arrangements where heavy loads of alternating direction, shock loads or heavy static loads have to be accommodated.

19.05 mm x 31.75 mm x 28.575 mm skf GEZM 012 ES-2RS Radial spherical plain bearings
702000 N
260.000 mm
45 mm x 68 mm x 32 mm skf GE 45 ES/C2 Radial spherical plain bearings
6000 rpm
6000 rpm
25.4 mm x 41.275 mm x 38.1 mm skf GEZM 100 ESX-2LS Radial spherical plain bearings
14800 N
9500 N
50 mm x 75 mm x 35 mm skf GE 50 TXE-2LS Radial spherical plain bearings
9500 rpm
16000 rpm
420 mm x 560 mm x 190 mm skf GEC 420 FBAS Radial spherical plain bearings
2.00 mm
5400 rpm
101.6 mm x 158.75 mm x 88.9 mm skf GEZ 400 ES Radial spherical plain bearings
90.000 mm
198000 N
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