BEARING INDUSTRIA CUSCINETTI S.P.A.

Single row cylindrical roller bearings without an inner ring

Cylindrical Roller Bearings are bearing in which cylinders are used as the rolling elements as opposed to balls in ball bearings. As such, the rollers have a greater (linear) contact area with the outer ring and are distribute loads across a broader surface. Subsequently, they have a relatively high radial load capacity and are suitable for high speeds. Double-row cylindrical roller bearings have high radial rigidity and are used primarily for precision machine tools.

Depending on the series as defined below a number of cylindrical roller bearings have no ribs on either the inner or outer ring, so the rings can move axially relative to each other which can be used as free-end bearings.

Pressed steel (with or without tins or fins) or machined brass cages are generally used, but sometimes molded polyamide cages are also available depending on the application. Cylindrical Roller Bearings are also available without cages with a full complement of rollers. This allows even higher loads but at the expense of speed.

skf RNU 203 ECP Single row cylindrical roller bearings without an inner ring
1900 r/min
765 kN
skf RNU 2207 ECP Single row cylindrical roller bearings without an inner ring
16 mm
25 N/mm²
skf RNU 308 ECP Single row cylindrical roller bearings without an inner ring
1028 mm
18650 kN
skf RNU 308 ECJ Single row cylindrical roller bearings without an inner ring
0.6 mm
6.3 kN
skf RNU 1028 ML Single row cylindrical roller bearings without an inner ring
72 mm
28.5 N·m
skf RNU 1024 ML Single row cylindrical roller bearings without an inner ring
0.0048 kg
0.025
skf RNU 1030 ML Single row cylindrical roller bearings without an inner ring
156000 kN
192 mm
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