Spokane Precision Trailers offers wheel bearing service and replacement in Spokane, WA to keep your trailer running smoothly, stably, and safely under load, starting with full hub assembly service on every unit we work on. We handle bearing repack and inspection, along with axle end maintenance to catch wear before it turns into failure. Our process also includes grease seal servicing and rolling component repair, especially in cases where heat-damage restoration is needed from heavy use or neglected upkeep. When required, we perform hub rebuild work and run load-support system checks to make sure everything is holding properly, followed by friction control servicing and rotation stability tuning so your trailer tracks the way it should on the road.
Most bearing problems don’t show up all at once; they build up from heat, wear, or lack of maintenance. Spokane Precision Trailers goes through it properly, cleans everything out, and checks what’s still usable before putting it back together. If something’s worn out, we replace it the right way so you’re not dealing with noise, wobble, or a failure when you’re already out on a job.
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We repair and replace the components that keep wheels spinning safely. Our work covers hub assemblies, grease seals, rolling elements, and routine inspections to keep your trailer or vehicle road-ready.
We remove the hub assembly and inspect the spindle, hub, and mounting hardware for wear, scoring, or warpage. If the hub shows grooves, a cracked flange, or excessive runout, we replace it with a matched OEM or high-quality aftermarket unit rather than risk an unsafe repair.
New bearings are press-fit when needed, axle nuts are torqued to manufacturer spec, and preload is set to prevent premature failure. We also check wheel studs and lug nuts for correct torque and thread condition, replacing any that are damaged. All part numbers, torque values, and endplay measurements are documented so fleet managers and owners can track service history and confirm reassembly meets safety standards.
We cut out old seals and clean the bore thoroughly to remove dirt, metal shavings, and degraded grease before anything new goes in. New lip seals or double-lip seals are installed, sized to the hub bore to prevent contamination and grease loss.
We use the correct grease type and fill amount for each application — typically a high-pressure, water-resistant wheel bearing grease for trailers — packed manually or by pump, depending on manufacturer requirements. Seal seating surfaces are inspected and machined or replaced if needed to ensure a proper fit. After reassembly, we test for leaks and road-test to confirm the seal holds under load and speed.
We disassemble bearings and rollers, clean them in a solvent tank, and inspect roller surfaces, cages, and raceways for pitting, flaking, or discoloration. Any bearing showing brinelling, surface fatigue, or heat damage gets replaced — we do not reuse compromised components.
Replacement bearings are matched to hub design tolerances and installed with correct orientation and preload. Cages and spacers are checked and replaced when worn, since these small parts directly affect alignment and bearing life. We balance wheel assemblies when necessary and verify even heat distribution during a controlled test run, then record part numbers and replacement dates for future maintenance planning.
Our multi-point inspection covers bearing endplay, hub runout, seal condition, and grease quality. We use feeler gauges and dial indicators to measure tolerances and document readings against factory specs.
We offer scheduled maintenance plans with service intervals based on mileage, operating hours, or conditions. Trailers running in wet or dusty environments need more frequent attention. Every inspection includes wheel torque verification, a brake check, and corrosion protection treatment where needed. You receive a service report listing all findings, parts replaced, torque values, and the recommended next service date.
We inspect heat-damaged bearings and hubs, measure wear, and determine whether repair or rebuild is the right call based on safety and cost. Before any work begins, we document the damage, parts required, and estimated repair time.
We start by disassembling the hub and pulling the bearings for detailed inspection, checking for discoloration, pitting, brinelling, and altered race hardness. For light damage, we clean, polish, and re-lap bearing surfaces, replace rollers or balls, and install new seals and lubricant. Repaired bearings are test-run on a fixture to verify smooth rotation and correct preload before the hub goes back together.
When race damage is deep or the microstructure has been altered by heat, we recommend remanufacture or full replacement. We stock common bearing sizes to minimize downtime, and every repaired bearing receives a workmanship warranty and a stamped inspection record attached to the service order.
We strip the hub assembly and measure spindle and bore tolerances with micrometers and a dial bore gauge. If the hub face or bore has warped from heat, we machine or bore it back to concentricity within manufacturer specs.
Worn seals, bearings, races, and cotter pin hardware are all replaced. Where necessary, we press-fit new liners or install a replacement hub to restore correct endplay and load distribution. Before the trailer goes back on the road, we repack with the correct grease grade, torque all wheel studs to spec, and road-test the axle. Every rebuild comes with a parts list and time-stamped photos so fleet managers can track repairs and plan future maintenance.
Staying on top of bearing service saves money, reduces downtime, and makes future inspections faster and more predictable.
We inspect bearings and seals to catch heat, noise, or play before they lead to wheel lockups or steering pull. Proper bearing preload and fresh grease keep rolling resistance low, which supports braking response and fuel efficiency on both trailers and tow vehicles. Routine hub servicing also prevents uneven tire wear and wobble that stress suspension components over time. Keeping spindle nut torque correct and seals in good condition stops water and dirt contamination, reducing the risk of sudden failures and keeping load handling stable under heavy or shifting loads.
Regular bearing service limits metal fatigue inside the hub and spindle by keeping surfaces lubricated and free of abrasive grit. Repacking or replacing bearings on schedule prevents the pitting and scoring that force premature hub replacement. When worn bearings and seals are addressed promptly, the entire hub assembly — bearings, races, seals, and studs — stays protected, lowering long-term costs and extending service life across your trailer and truck fleet.
The most common sign is a growling or rumbling noise that changes with vehicle speed, often getting louder when turning or under load. You may also feel vibration or wobble in the trailer, or notice wheel play when lifting and rocking the wheel by hand. Grease leaking from the hub, excessive heat at the hub after towing, and uneven or accelerated tire wear are additional indicators that the bearings need attention. If you notice any of these on your Spokane roads or after a long haul, bring the trailer in before the problem worsens.
Continuing to tow with a failing bearing generates heat that can damage the hub, spindle, seals, and axle, turning what might have been a straightforward repack into a costly rebuild. If the bearing deteriorates further, the wheel can seize or detach entirely, creating a serious safety hazard for you and everyone else on the road. We strongly recommend stopping use and having the trailer inspected as soon as bearing symptoms appear, rather than waiting for a roadside failure.
For trailers with light or seasonal use, boat trailers and recreational units being the most common, we recommend inspection and repacking every 12 months or 12,000 miles, whichever comes first. Trailers running heavy loads, frequent routes, or wet and sandy conditions should be serviced every six months or 6,000 miles. Regardless of the interval, always have bearings inspected after any long tow, water submersion, or any time you hear an unusual noise coming from the wheels.
We remove the wheel and hub, clean the bearings, and inspect each component for pitting, discoloration, or wear. Seals and any damaged parts are replaced, and reusable bearings are repacked with fresh high-temperature grease. Everything is reassembled to proper torque and endplay specifications, then tested for smooth rotation and checked for leaks before the trailer leaves our shop. You also receive a service report with findings, parts used, and a recommended next service date.
We inspect the bearing rollers, races, and cage for scoring, pitting, discoloration, and excessive looseness. Any visible damage or heat-induced discoloration means the bearing gets replaced; there is no safe way to restore a compromised bearing through repacking alone. If the bearings are clean, roll smoothly, and show no play or surface defects, repacking with fresh grease is the right call. When bearings are at or past their recommended service life, we replace them regardless of appearance to ensure your trailer stays safe on Spokane roads and beyond.