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Heavy Duty Needle Roller Bearings (Machined)

AUBEARING manufactures heavy-duty needle roller bearings that are well-suited for applications with shaft misalignment and higher speeds exceeding the capacity of standard roller bearings. These bearings are available in open and sealed designs, with the sealed type identifiable by the -2RS suffix. They are dimensionally interchangeable (metric or inch sizes) with McGill, RBC, and other heavy-duty needle roller bearings. The outer diameters of the heavy-duty needle roller bearings range from 1 inch to 12 ¼ inches (10mm to 240mm for metric sizes), with AUBEARING capable of manufacturing special designs with outer diameters up to 39 inches. These heavy-duty bearings are used in industrial machinery, gear pumps, hydraulic pumps, wind power generation, and other demanding applications.

Bore Dia
Outer Dia
Width
Ring Material
Dynamic Radial Load
Static Radial Load
Max Speed (X1000 rpm)
Weight

Heavy-duty needle roller bearings have thick outer rings that serve as the roller raceway, providing high load capacity and impact resistance. They are ideal when applications require high static, dynamic, or impact loads. Machined or heavy-duty needle rollers are bearings with relatively low sectional heights and solid machined outer rings. The solid outer ring provides high rigidity, allowing the bearing to withstand larger loads than drawn cup needle roller bearings. Lubrication grooves and holes on the outer diameter facilitate re-lubrication through the outer ring.