BEARING ITALIA S.P.A

NSK 30bd5222dum6 Bearing

 

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.

50 mm x 75 mm x 35 mm  skf GE 50 ES-2LS/C2 Radial spherical plain bearings
50 mm x 75 mm x 35 mm skf GE 50 ES-2LS/C2 Radial spherical plain bearings
11000 rpm
20800 N
50 mm x 75 mm x 35 mm  skf GE 50 ESX-2LS Radial spherical plain bearings
50 mm x 75 mm x 35 mm skf GE 50 ESX-2LS Radial spherical plain bearings
One Seal
22000 rpm
50 mm x 75 mm x 43 mm  skf GEM 50 ESX-2LS Radial spherical plain bearings
50 mm x 75 mm x 43 mm skf GEM 50 ESX-2LS Radial spherical plain bearings
38000 N
50.000 mm
127 mm x 196.85 mm x 111.125 mm  skf GEZ 500 ES-2LS Radial spherical plain bearings
127 mm x 196.85 mm x 111.125 mm skf GEZ 500 ES-2LS Radial spherical plain bearings
60500 N
1.50 mm
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