HomeDriveline and Axles > BearingsTimken HM807044 Differential Pinion Bearing - Rear Inner
Part #: HM807044

Timken HM807044 Differential Pinion Bearing - Rear Inner

Rear Inner
43 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$100.16Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, E-250 Econoline, E-350 Econoline, E-350 Econoline Club Wagon, F-250, and F-350
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Timken HM807044 Differential Pinion Bearing Overview

The Timken HM807044 differential pinion bearing is engineered for reliable performance in Ford trucks and vans. Designed to meet precise specifications, this bearing supports smooth driveline operation in Ford E-250 Econoline, E-350 Econoline, E-350 Econoline Club Wagon, F-250, and F-350 models.

  • Inside diameter options: 1.937 inches (49.21 mm)
  • Cone radius measurements: 0.138 inches and 3.50 inches
  • Outer dimensions: 1.437 inches and 36.51 mm
  • Durable construction for driveline and axle applications
  • Compatible with specific Ford truck and van models

Technical Specifications and Design Details

This Timken differential pinion bearing (part number HM807044) features an inside diameter of 1.937 inches (49.21 mm), ensuring a precise fit within the differential assembly. The cone radius values of 0.138 inches and 3.50 inches contribute to optimal load distribution and bearing seating. The bearing's outer dimensions include a diameter of 1.437 inches and a width of 36.51 mm, designed to match the exact requirements of the driveline system. These specifications help maintain proper alignment and reduce wear in the differential pinion gear.

Compatible Ford Models and Applications

This differential pinion bearing is compatible with a range of Ford vehicles, including the E-250 Econoline, E-350 Econoline, E-350 Econoline Club Wagon, F-250, and F-350. It is specifically designed for use in the driveline and axle assemblies of these models, providing reliable support for the differential pinion gear and contributing to smooth power transfer from the driveshaft to the wheels.

Common Issues Addressed by Timken HM807044

  • Excessive differential noise due to worn or damaged pinion bearings
  • Vibration or roughness in the driveline assembly
  • Premature bearing wear caused by improper fit or contamination
  • Reduced differential efficiency and increased drivetrain stress
  • Potential for differential gear misalignment and damage

Installation Notes and Tips

When installing the Timken HM807044 differential pinion bearing, ensure the bearing surfaces and seating areas are clean and free of debris. Proper lubrication is essential to prevent premature wear. Use appropriate tools to press the bearing into place without causing damage to the cone radius or inner diameter surfaces. Verify fitment compatibility with the specific Ford model and differential assembly before installation.

Quality Assurance and Warranty Information

Timken bearings are manufactured to meet stringent quality standards, ensuring durability and consistent performance in demanding automotive applications. The HM807044 differential pinion bearing undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Timken typically offers coverage against manufacturing defects to provide confidence in product reliability.

This part fits 43 vehicles. Search below:

YearMakeModelPositionNotes
1998FordE-250 EconolineRear Inner10.5 in. Ring Gear - From 1/1998
1998FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1998FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1998FordF-250Rear Inner10.5 in. Ring Gear - From 1/1998
1997FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1997FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1997FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1996FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1996FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1996FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1995FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1995FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1995FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1994FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1994FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1994FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1993FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1993FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1993FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1992FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1992FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1992FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1991FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1991FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1991FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1990FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1990FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1990FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1989FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1989FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1989FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1988FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1988FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1988FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1987FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1987FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1987FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1986FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1986FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1986FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear
1985FordE-350 EconolineRear Inner10.25 in., 10.5 in. Ring Gear
1985FordE-350 Econoline Club WagonRear Inner10.25 in., 10.5 in. Ring Gear
1985FordF-350Rear Inner10.25 in., 10.5 in. Ring Gear

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.