Radial spherical plain bearings

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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.

710 mm x 950 mm x 325 mm skf GEC 710 TXA-2RS Radial spherical plain bearings

1.00 mm 1300 rpm
1800 rpm 540000 N

200 mm x 290 mm x 130 mm skf GE 200 ESL-2LS Radial spherical plain bearings

6.5 N·m 1 mm
0.65 kg 30.2 mm

180 mm x 260 mm x 105 mm skf GE 180 ES Radial spherical plain bearings

1.5 mm 4000 r/min
150 mm 64 mm

120 mm x 210 mm x 115 mm skf GEH 120 TXA-2LS Radial spherical plain bearings

120 N/mm² 95 mm
0.15 0.08

60 mm x 105 mm x 63 mm skf GEH 60 TXG3A-2LS Radial spherical plain bearings

40.0000 mm 88503
203KLL2 4800 N

30 mm x 55 mm x 32 mm skf GEH 30 ES-2LS Radial spherical plain bearings

14000 rpm 11000 rpm
10800 N 21200 N

127 mm x 196.85 mm x 111.125 mm skf GEZ 500 ES Radial spherical plain bearings

1400 r/min 1.24
2 mm 1300 r/min

120.65 mm x 187.325 mm x 105.562 mm skf GEZ 412 ES-2RS Radial spherical plain bearings

1 100 min-1 850 min-1
3060 kN 420 mm
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