SKF 370-A Wheel Bearing - Rear or Rear Inner

SKF 370-A Wheel Bearing for Rear Inner Applications

SKF 370-A is a tapered roller wheel bearing built for rear inner service in select Dodge heavy-duty trucks. With a 2.000-inch inside diameter, 3.346-inch outside diameter, and 0.812-inch width, it is sized for the specified axle applications and built for smooth, quiet rotation.

Key Features

• Tapered roller wheel bearing for rear inner use
• Inside diameter: 2.000 in.
• Outside diameter: 3.346 in.
• Width: 0.812 in.
• Logarithmic roller raceway profile for consistent rolling contact
• Precision surface finish for quieter operation
• SKF part number 370-A

Detailed Description

SKF 370-A is engineered for wheel-end service where correct bearing dimensions and stable load handling matter. The tapered roller design supports the rear inner position on 1975-1977 Dodge B300 and 1975-1976 Dodge D300 and W300 models equipped with a Spicer 60 axle and single rear wheels. If you are replacing a rear inner wheel bearing on a Dodge B300, D300, or W300, this SKF 370-A bearing matches the listed application and dimensions.

SKF uses a roller raceway profile and refined surface finish to promote smooth operation and reduce noise in service. This part cross-references 321547R91 and 565913 for the same application.

Vehicle Fitment

• Fits 1975-1977 Dodge B300, rear inner, w/Spicer 60 Axle & Single Rr. Whls.
• Fits 1975-1976 Dodge D300, rear inner, Spicer 60 Axle w/ Single Rr. Whls.
• Fits 1975-1976 Dodge W300, rear inner, Spicer 60 Axle w/ Single Rr. Whls.

Common Issues This Bearing Can Address

• Wheel-end noise from a worn rear inner bearing
• Excessive play at the rear wheel hub
• Rough rotation during bearing inspection
• Heat buildup caused by bearing wear
• Service replacement for damaged or fatigued wheel bearings

Installation Notes and Tips

Confirm the axle configuration, rear wheel setup, and bearing dimensions before installation. Clean and inspect the hub, spindle, and related sealing surfaces, and replace any worn components found during service. Proper bearing preload and lubrication are critical for long-term wheel-end performance.

Quality Assurance

SKF has supplied bearing solutions for more than 100 years, and its products are manufactured to strict quality standards for durability and safety.