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TIMKEN HA500601  
+ Sold in packs of 1x1
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TIMKEN HA500601 Specifications
Bearing TypeTapered
Bolt Circle Diameter B (IN)4.724
Bolt Circle Diameter H (IN)5.118
Bolt Quantity4.000
Bolt Size (IN)M12x1.75
Brake Pilot Dia (IN)3.109
Driven or Non Driven?Driven
Flange (#)2.000
Flange Diameter (IN)6.240
Flange Offset (IN)2.303
Flange ShapeModified
Generation Type2
Hub Pilot Dia G (IN)3.506
Roll Form (Y)Y
Spline Quantity29.000
Wheel Pilot Dia (MM)72.530
Wheel Stud Qty5.000
Wheel Stud Size (IN)M14x1.5
Timken hub assemblies are engineered and tested for reliability and performance. Their hub assemblies improve stiffness and brake performance, reduce weight and envelope size, lower assembly costs and reduce warranty claims.

Features and Benefits:

  • Low runout reduces noise and vibration to improve braking performance
  • Premium seals designed to help prevent installation damage and provide enhanced protection for extended bearing life and durability
  • Engineered premium bearings for extended life and improved fuel efficiency (tapered roller and ball bearings)
  • Advanced Sensor Technology monitors wheel speed for Anti-Lock Braking Systems (ABS)
  • Precision fits control internal bearing clearances to help maintain proper bearing setting
  • Produced from clean, high-quality, high-alloy steel for increased strength and durability
  • Contains premium grease to help improve performance and extend bearing life: reduces torque and temperature, enables greater bearing roller traction, enhanced protection against wear, rust, and contamination
Product Performance Testing:
  • Hub durability and fatigue testing: Validates strength and structural fatigue performance (resistance to cracking)
  • Flange runout testing: Helps ensure low runout and rotor deflection for better braking performance
  • Stud Twist-off and push-out testing: Helps ensure interface between stud and hub is robust to prevent stripping (stud should break first to enable replacement in existing hub) Ė critical for strength and proper installation
  • Seal durability and performance testing: Seals undergo mud slurry, elevated temperature and water spray testing to validate performance and durability
  • Bearing durability testing: Validates rolling contact fatigue performance (resistance to spalling damage) to help ensure extended bearing life and improved performance
  • ABS sensor output testing: Verification that sensor meets system requirements and will work properly with ABS/vehicle dynamics system Ė signal strength, sensitivity, digital output, etc. for traction, navigation and vehicle dynamics control on passive and active sensors
  • Safe launch process: Visual and functional inspection to make sure itís ready for installation
Installation Tips
  • Use an Axle Nut Socket to remove the axle nut
  • After removing the brake caliper, suspend it using a Caliper Hanger to avoid damage to the brake hose
  • A Wheel Hub Removal Tool can help remove a stubborn wheel hub assembly from the knuckle
  • During installation, use a Torque Wrench to tighten the axle nut to the manufacturer's specification. Do not use an impact wrench as it is easy to over tighten the axle nut. The torque specification can be found in your owner's manual
Symptoms Of A Failing Wheel Bearing & Hub

Wheel hub units are low maintenance parts, but that doesnít mean they last forever. Uneven road surfaces, heavy driving conditions (such as towing or racing), and under-inflated tires put extra strain on the hub bearing and can lead to premature failure. Common signs of a bad hub unit include:
  • A humming, rumbling or growling noise that increases with acceleration
  • A loud constant whining or grinding noise when the vehicle is in motion
  • Excessive play in the steering wheel
  • Steering wheel vibration that changes with the vehicle speed or as the vehicle turns
  • ABS system malfunction

How To Identify The Faulty Wheel Bearing & Hub

It is often difficult to pinpoint which hub unit has gone bad while driving because noise and vibration travels through the frame of the vehicle. Here are a two tests you can do to help identify which hub unit has gone bad:

Shake Test: Identifying Play or Looseness
  1. Lift your vehicle so the wheel is off the ground
  2. Place your hands on the sides of the tire and try to shake the wheel
  3. Now place your hands on the top and bottom of the tire and try to shake the wheel again
  4. If you feel movement in both directions, you have play in your bearing and it needs to be replaced
  5. Note: If you feel movement when shaking the wheel left to right, but not top to bottom, you could have a worn out tie rod end. Similarly, if you have movement top to bottom, but not left to right, you may have a worn out ball joint.
Spin Test: Identifying Noise or Grinding
  1. Lift your vehicle so the wheel is off the ground and can spin freely
  2. Spin the wheel, in either direction, and listen for a grinding or howling noise
  3. If you hear a loud grinding or howling noise, that increases with the speed of the wheel, you have a failed bearing that needs to be replaced
  4. Note: It is best to test both front or both rear bearings at the same time so you can compare the difference between the two sides. If you have a failed bearing, there will be a noticeable difference in the amount of noise you hear during this test

Timken Tricks of the Trade - Finding Wheel Hub Torque Specs

Timken Wheel Hub Assemblies - Performance Thatís Worth It

Additional Resources

Tech Tip: Checking A Hub Bearing Assembly
Why Should I Choose A Timken Hub Assembly?
Tech Tip: Removing and Installing a Hub Bearing Unit
Tech Tip: Symptoms of a Worn Wheel Hub Bearing
OEM / Interchange Numbers: LR014147, RFM500010

TIMKEN Warranty Information:
12 Months