National 24721 Axle Differential Bearing Race - Front, Rear or Rear Outer

Axle Differential Bearing Race Overview

National 24721 is a taper bearing cup for axle differential service. It uses premium-grade steel and crowned raceways to promote even load distribution in the bearing assembly.

Use this bearing race when servicing differential pinion applications that require a taper bearing cup with the listed bore and length dimensions. National 24721 is a fitment-based replacement for a wide range of classic Jeep, Volvo, Morgan, and other applications.

Key Features

• Premium-grade steel construction for differential bearing service
• Crowned raceways help distribute load evenly across the bearing surface
• Taper bearing cup design for axle differential applications
• 3.0000 inch cup bore and 0.8125 inch cup length
• Compatible with multiple rear, front, and rear outer fitments

Detailed Fitment and Application

Fits 1942-1972 Jeep CJ5, front; 1942-1972 Jeep CJ6, front; 1942-1972 Jeep Commando, front; 1942-1972 Jeep J-100, front; 1942-1972 Jeep Jeepster, front; 1942-1972 Jeep Universal Truck, front; 1942-1972 Jeep Wagoneer, front; 1942-1972 Jeep CJ5A, front; 1942-1972 Jeep CJ6A, front; 1942-1972 Jeep FC150, front; 1942-1972 Jeep Willys, front; 1942-1972 Jeep 475, front; 1942-1972 Jeep Station Wagon, front; 1942-1972 Jeep Station Sedan, front; 1942-1972 Jeep MB, front.

Fits 1942-1972 Jeep CJ3, rear; 1942-1972 Jeep CJ5, rear; 1942-1972 Jeep CJ6, rear; 1942-1972 Jeep CJ5A, rear; 1942-1972 Jeep CJ6A, rear; 1942-1972 Jeep DJ3, rear; 1942-1972 Jeep Universal Truck, rear; 1942-1972 Jeep Dispatcher, rear; 1942-1972 Jeep DJ5, rear; 1942-1972 Jeep FJ3A, rear; 1942-1972 Jeep Willys, rear; 1942-1972 Jeep MB, rear; 1942-1972 Morgan 4/4, rear; 1942-1972 Morgan 4/4 Series V, rear; 1942-1972 Morgan Plus Four, rear; 1942-1972 Morgan 4/4 Series IV, rear; 1942-1972 Morgan 4/4 Series III, rear; 1942-1972 Morgan 4/4 Series II, rear; 1942-1972 Volvo 122, rear; 1942-1972 Volvo 444, rear; 1942-1972 Volvo 445, rear; 1942-1972 Volvo 544, rear; 1942-1972 Volvo PV 444, rear; 1942-1972 Aston Martin DB4, rear outer; 1942-1972 Aston Martin DB2-4, rear; 1942-1972 Aston Martin DB3, rear; 1942-1972 Aston Martin DB2, rear; 1942-1972 Jaguar Mark 2, rear; 1942-1972 Jaguar Mark 1, rear; 1942-1972 Studebaker Lark, rear; 1942-1972 Studebaker Taxi, rear; 1942-1972 Studebaker Silver Hawk, rear; 1942-1972 Studebaker Champion, rear; 1942-1972 Studebaker President, rear; 1942-1972 Studebaker Flight Hawk, rear; 1942-1972 Studebaker Sky Hawk, rear; 1942-1972 Nash Rambler, rear; 1942-1972 Nash Statesman, rear; 1942-1972 Nash 600 Custom, rear; 1942-1972 Nash 600, rear; 1942-1972 Hudson Rambler, rear; 1942-1972 Hudson Italia, rear; 1942-1972 Hudson Jet, rear; 1942-1972 Hudson Jetliner, rear; 1942-1972 Hudson Super Jet, rear; 1942-1972 American Motors Rambler, rear; 1942-1972 Henry J Corsair, rear; 1942-1972 Henry J Vagabond, rear; 1942-1972 Henry J Deluxe, rear; 1942-1972 Henry J Standard, rear; 1942-1972 Allstate A-230, rear; 1942-1972 Allstate A-240, rear.

This part cross-references SKF (e.g., 550224, BR24721) for the same application.

Installation Notes and Tips

Verify axle type, ring gear size, and bearing cup dimensions before installation. This part is used in differential service, so the race should be matched to the correct bearing set and axle specification for the vehicle.

Quality Assurance

National manufactures this taper bearing cup with premium-grade steel and crowned raceways to support consistent load distribution in differential service.