Needle roller bearing RPNA series
sphericalsteelpolymer

needle roller bearing
needle roller bearing
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Characteristics

Rolling element
needle roller
Configuration
spherical
Material
steel, polymer
Other characteristics
self-aligning
Inside diameter

Min.: 15 mm (0.59 in)

Max.: 45 mm (1.77 in)

Outside diameter

Min.: 28 mm (1.1 in)

Max.: 62 mm (2.44 in)

Width

Min.: 12 mm (0.472 in)

Max.: 20 mm (0.787 in)

Description

SKF alignment needle roller bearings have an outer ring with a sphered (convex) outside surface. Two polymer seating rings with a sphered (concave) inside surface are encased in a drawn sheet steel sleeve and fitted over the outer ring. Product details Designs and variants Bearing data Loads Temperature limits Permissible speed Design considerations Mounting Designation system Features and benefits Accommodate static misalignment Alignment needle roller bearings are self-aligning up to 3° of static misalignment. Low cross section In applications where less space is available, alignment needle roller bearings offer a compact solution. High carrying capacity Owing to their large number of rollers, alignment needle roller bearings have a high load carrying capacity.

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