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No.1019E 2023Special Edition on Automotive Technologies HUBLFTⅡ: HUB Unit for Low Friction Torque

Category TECHNICAL REPORT
Author Y. NAKAGAWA　T. HONJO　
Hub Unit Engineering Dept., Automotive Business Unit
T. TODA
Engineering Planning Dept., Industrial and Bearing Business Unit
Abstract Hub units are used worldwide as automobile wheel bearings. We have carefully examined the function and performance of the labyrinth seal and completed development of a low torque hub unit called “HUBLFT Ⅱ” which has improved sealing performance. This paper will introduce the technology of this development.
Keyword axle bearing, hub unit, low torque, labyrinth structure, gutter lip
Reference

1) S. YAMANE, T. OGIMOTO: HUBLFT: Hub Unit for Low Friction Torque, JTEKT ENGINEERING JOURNAL, No.1014E (2017) 64-68.
2) K. YOKOTA: Technological Trends and Outlook of Automotive Bearing, JTEKT ENGINEERING JOURNAL, No.1017E (2020) 25-35.
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