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.

76.2 mm x 130.175 mm x 76.759 mm skf GEZH 300 ES-2LS Radial spherical plain bearings
549.275 mm
SNW 134x5.15/16
200 mm x 290 mm x 130 mm skf GE 200 ES Radial spherical plain bearings
2360 N
5070 N
950 mm x 1250 mm x 400 mm skf GEC 950 FBAS Radial spherical plain bearings
3750 N
0.64 mm
100 mm x 160 mm x 85 mm skf GEH 100 TXG3A-2LS Radial spherical plain bearings
2850 kN
2.4 mm
25 mm x 42 mm x 20 mm skf GE 25 C Radial spherical plain bearings
30300 N
30.000 mm
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