Timken SP620303 front wheel bearing and hub assembly for the 2011-2019 Chevrolet Silverado 2500 HD and other vehicles carries the wheel and lets it turn freely. This Timken wheel bearing for a driven front hub arrives preset, pre-greased and pre-sealed.
- Low runout to reduce noise and vibration for a smoother ride
- Seals have a reinforced outer case, ribbed rubber inner diameter, contamination exclusion system and vent holes that prevent installation damage
- Bearings have precision profiles, uniform internal geometry and enhanced surface finishes to raise load carrying capacity
- ABS sensors are 100% tested to monitor wheel speed for the anti-lock braking system
Quick facts
- Part: Timken SP620303 wheel bearing and hub assembly
- Fits: 2011-2019 Chevrolet Silverado 2500 HD and other vehicles
- Position: Front
- Condition: New
A humming or growling noise that changes with speed, or vibration, can mean this wheel bearing and hub assembly is worn, though worn tires or brake rotors can be behind the same signs. Plan to replace the pair together; this listing is one unit, and the vehicle takes one on each side of the front axle.
Fits
Besides the 2011-2019 Chevrolet Silverado 2500 HD, it fits the 2011-2019 Chevrolet Silverado 3500 HD and the 2011-2019 GMC Sierra 2500 HD, among other vehicles. If yours is not named here, look up its year, make and model in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: front
- Quantity per vehicle: 2
- Bolt circle diameter: 180.00 mm (7.087 in)
- Brake pilot diameter: 126.95 mm (4.998 in)
- Hub pilot diameter: 114.04 mm (4.490 in)
- Wheel pilot diameter: 123.99 mm (4.881 in)
- Flange diameter: 221.30 mm (8.713 in)
- Flange offset: 74.35 mm (2.927 in)
- Flange bolt holes: 4
- Wheel studs: 8
- Splines: 36
Build and materials
- Type: hub unit bearing assembly, preset, pre-greased and pre-sealed
- Drive type: driven
- ABS sensors: 100% tested to monitor wheel speed
- Condition: new
Interchange: WE61805 · 515145 · BR930824
This part cross-references / interchanges with the following part numbers:
WE61805, 515145, BR930824
Frequently Asked Questions
Does the Timken SP620303 fit the 2011-2019 GMC Sierra 2500 HD?
Yes. Timken SP620303 fits the 2011-2019 GMC Sierra 2500 HD at the front axle. For another vehicle, look it up in the "Vehicles it fits" section.
Are Timken front wheel bearings like this one sold in pairs?
No. This listing is one wheel bearing and hub assembly, and the vehicle takes two, one on each side of the front axle. Both sides are normally replaced together.
What are the pilot sizes of these Timken wheel hubs?
Timken SP620303 has a 126.95 mm brake pilot, a 114.04 mm hub pilot and a 123.99 mm wheel pilot. The flange has 4 bolt holes on a 180.00 mm bolt circle.
Can a humming front wheel mean my Timken hub bearings are worn?
Yes. A hum or growl that changes with speed, or a vibration, can be a sign of a worn hub bearing. It needs prompt attention, so have a shop check it.
Is the Timken wheel bearing and hub assembly SP620303 pre-greased?
Yes. Timken SP620303 arrives preset, pre-greased and pre-sealed.
