NTN-SNR BEARING RULMENTI S.R.L.

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.

70 mm x 105 mm x 49 mm skf GE 70 ES Radial spherical plain bearings
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UC200MZ2RF
630 mm x 900 mm x 450 mm skf GEP 630 FS Radial spherical plain bearings
Maximum of +225
Standard Duty
340 mm x 480 mm x 243 mm skf GEP 340 FS Radial spherical plain bearings
3.5000 in
Two-Bolt Base
114.3 mm x 196.85 mm x 119.126 mm skf GEZH 408 ES-2RS Radial spherical plain bearings
662939010621
Aluminum
45 mm x 68 mm x 32 mm skf GE 45 ES-2LS Radial spherical plain bearings
0.1875 in
Single Row Non-Fill
120 mm x 180 mm x 85 mm skf GE 120 ESX-2LS Radial spherical plain bearings
0.020 in
0.6250 in
50.8 mm x 80.963 mm x 76.2 mm skf GEZM 200 ES Radial spherical plain bearings
4.50 KGS
2600
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Plain bearings,Bushings
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Radial spherical plain bearings
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