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.

88.9 mm x 149.225 mm x 90.424 mm skf GEZH 308 ESX-2LS Radial spherical plain bearings
-35 °F to +
Oilite®, Synthet
460 mm x 620 mm x 218 mm skf GEC 460 FBAS Radial spherical plain bearings
15 mm
SAE 841, CT-1000-K26
114.3 mm x 177.8 mm x 100 mm skf GEZ 408 ESL-2LS Radial spherical plain bearings
12000 fpm
Ambient
88.9 mm x 149.225 mm x 90.424 mm skf GEZH 308 ES Radial spherical plain bearings
Round
Expansion Bearing &#
70 mm x 120 mm x 70 mm skf GEH 70 TXE-2LS Radial spherical plain bearings
Female Threaded
Carbon Steel
180 mm x 260 mm x 128 mm skf GEP 180 FS Radial spherical plain bearings
3650 RPM
Concentric Collar
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Plain bearings,Bushings
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Radial spherical plain bearings
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