The Timken SP450701 is a preset, pre-greased, and pre-sealed wheel hub unit bearing assembly. Timken engineers these hub units to arrive ready for installation, with internal bearing preload set at the factory, grease packed, and seals in place - eliminating the manual adjustment and greasing steps required with traditional loose-bearing wheel ends. The preset design removes technician-to-technician variation in bearing end-play, which is a common source of premature wheel bearing failure on heavy-duty applications. This is a genuine Timken part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Preset bearing load - no in-the-field end-play adjustment required
Pre-greased at the factory - internal lubricant packed before shipping
Pre-sealed design - seals installed and ready, no additional sealing needed
Hub unit bearing assembly - integrates hub and bearing into a single serviceable unit
Genuine Timken part sold by Pro Gear and Transmission
