HK546227 Drawn Cup Needle Roller Bearing

Drawn Cup Architecture: Ultra-thin outer ring delivers the absolute highest radial load capacity within minimal housing constraints.
High Power Density: Needle rollers maximize the contact surface area, allowing compact shafts to handle surprisingly high rotational forces.
Open-End Lubrication: Open-ended configuration facilitates direct, unhindered flow of transmission oil or grease across the needle rollers.

Deep Application & Technical Narrative:

The HK546227 is a precision-engineered drawn cup needle roller bearing with open ends, designed for high-density radial applications. Drawn cup needle bearings feature an incredibly thin, outer ring formed from a sheet of high-purity carbon steel. This minimal outer wall allows long, small-diameter needle rollers to be packed into the assembly, providing maximum radial load capacity within an ultra-slim profile. The HK546227 is widely utilized in compact automotive manual transmissions, motorcycle power units, power tool gear trains, and steering gear columns. Because a minor cage deformity can jam small needle rollers, our workshop team conducts 100% manual inspections. We physically verify cage flexibility and roller uniformity for every HK546227 unit to ensure seamless, friction-free rotation.

Customized B2B Supply & Packaging Solutions:
Fulfilling our commitment to provide a full range of bearing types, we supply the HK546227 in high-density wholesale volumes. We deliver these parts in oil-sealed industrial plastic tubes to keep the delicate drawn cups completely safe during ocean freight. We offer custom batch branding and handle efficient international export shipping to key distribution networks in Africa, Russia, and South America.
Targeted Technical Clarifications (FAQ):

Q: Does the HK546227 include an inner ring?
A: No, this is a drawn cup needle bearing designed to run directly on a hardened and ground shaft surface, which serves as the inner raceway.
Q: How should this thin-walled bearing be installed into the housing?
A: It must be press-fit into the housing bore using a proper mandrel or hydraulic assembly tool; hammering directly on the thin outer face will ruin the bearing shell.