SKF BR3877 Differential Pinion Bearing - Front, Rear or Rear Inner

Overview

SKF BR3877 is a differential pinion bearing built as a tapered roller bearing for driveline and axle service. It is specified for a wide range of heavy-duty and classic vehicle applications, including Chevrolet and GMC truck platforms, Ford medium-duty trucks, and Jeep and Plymouth rear axle assemblies.

The BR3877 uses a logarithmic roller raceway profile and an ultra-smooth surface finish to support quiet, smooth operation in demanding axle locations. SKF BR3877 is a direct-fit service part for applications that require a 1.625-inch inside diameter and 1.187-inch width.

Key Features

• Tapered roller bearing construction for differential pinion service
• Logarithmic roller raceway profile for smooth rolling action
• Ultra-smooth surface finish for quieter operation
• 1.625-inch inside diameter
• 1.187-inch width
• Fits front, rear, and rear inner applications depending on vehicle and axle configuration

Fitment Details

Compatible with 1980-1987 Chevrolet C50, front, Spicer 7041 Aux. Trans.; 1980-1987 Chevrolet C60, front, Spicer 7041 Aux. Trans.; 1980-1987 Chevrolet C70, front, Spicer 7041 Aux. Trans.; 1980-1987 GMC C5000, front, Spicer 7041 Aux. Trans.; 1980-1987 GMC C6000, front, Spicer 7041 Aux. Trans.; 1980-1987 GMC C7000, front, Spicer 7041 Aux. Trans.; 1983-1985 Ford B-600, rear, Spicer CM5510 Trans.; 1983-1985 Ford B-700, rear, Spicer CM5510 Trans.; 1983-1985 Ford B-7000, rear, Spicer CM5510 Trans.; 1983-1985 Ford C600, rear, Spicer CM5510 Trans.; 1983-1985 Ford C700, rear, Spicer CM5510 Trans.; 1983-1985 Ford C7000, rear, Spicer CM5510 Trans.; 1983-1985 Ford C800, rear, Spicer CM5510 Trans.; 1983-1985 Ford C8000, rear, Spicer CM5510 Trans.; 1983-1985 Ford F-600, rear, Spicer CM5510 Trans.; 1983-1985 Ford F-700, rear, Spicer CM5510 Trans.; 1983-1985 Ford F-7000, rear, Spicer CM5510 Trans.; 1983-1985 Ford F-800, rear, Spicer CM5510 Trans.; 1983-1985 Ford F-8000, rear, Spicer CM5510 Trans.; 1983-1985 Ford FT800, rear, Spicer CM5510 Trans.; 1983-1985 Ford L800, rear, Spicer CM5510 Trans.; 1983-1985 Ford LN600, rear, Spicer CM5510 Trans.; 1983-1985 Ford LN700, rear, Spicer CM5510 Trans.; 1983-1985 Ford LN7000, rear, Spicer CM5510 Trans.; 1983-1985 Ford LN800, rear, Spicer CM5510 Trans.; 1983-1985 Ford LN8000, rear, Spicer CM5510 Trans.; 1963-1973 Jeep J-100, rear inner, Model 53 Axle; 1965-1973 Jeep J-2500, rear inner, Model 53 Axle; 1965-1973 Jeep J-2600, rear inner, Model 53 Axle; 1965-1971 Jeep J-3800, rear inner, Model 53 Axle; 1965-1970 Jeep J-2700, rear inner, Model 53 Axle; 1965-1970 Jeep J-3500, rear inner, Model 53 Axle; 1965-1970 Jeep J-3600, rear inner, Model 53 Axle; 1965-1970 Jeep J-3700, rear inner, Model 53 Axle; 1962-1969 Jeep Gladiator, rear inner, Model 53 Axle; 1965-1968 Jeep J-2800, rear inner, Model 53 Axle; 1967-1968 Plymouth Belvedere, rear inner, 9.25-inch ring gear; 1967-1968 Plymouth Fury, rear inner, 9.25-inch ring gear; 1968 Plymouth Fury I, rear inner, 9.25-inch ring gear; 1967-1968 Plymouth Fury II, rear inner, 9.25-inch ring gear; 1967-1968 Plymouth Fury III, rear inner, 9.25-inch ring gear; 1967-1968 Plymouth GTX, rear inner, 9.25-inch ring gear; 1968 Plymouth Road Runner, rear inner, 9.25-inch ring gear; 1967-1968 Plymouth Satellite, rear inner, 9.25-inch ring gear; 1967 Plymouth Belvedere II, rear inner, 9.25-inch ring gear; 1967 Plymouth VIP, rear inner, 9.25-inch ring gear; 1962-1966 Jeep FC150, rear inner, Model 53 Axle; 1962-1966 Jeep FC170, rear inner, Model 53 Axle; 1958-1965 Lincoln Continental, rear inner; 1958-1964 American Motors Ambassador, rear inner; 1963-1964 American Motors Classic, rear inner; 1961 American Motors Classic, rear inner; 1956-1961 Jeep 6-226, rear inner, w/ Spicer Axle; 1957-1961 Jeep FC170, rear inner, Rockwell Std. Axle w/o HD; 1960 Lincoln Lincoln Series, rear inner; 1956-1960 Lincoln Premier, rear inner; 1955-1959 GMC PM151, rear inner, Spicer 45 Axle; 1957-1959 GMC PM152, rear inner, Spicer 45 Axle; 1955 GMC PM152, rear inner, Spicer 45 Axle; 1959 GMC PM153, rear inner, Spicer 45 Axle; 1957 GMC PM153, rear inner, Spicer 45 Axle; 1955 GMC PM153, rear inner, Spicer 45 Axle; 1958 Lincoln Capri, rear inner; 1956-1957 Lincoln Mark II, rear inner; 1956 Jeep 475, rear inner, w/ Spicer Axle; 1956 Mercury Medalist, rear inner; 1955-1956 Mercury Montclair, rear inner; 1949-1954 Lincoln Cosmopolitan, rear inner.

Common Uses

• Restoring differential pinion bearing support in axle assemblies
• Addressing bearing noise from worn tapered rollers
• Replacing a bearing with excessive play or rough rotation
• Servicing driveline components during axle rebuilds
• Correcting wear in applications with matching inside diameter and width requirements

Installation Notes

Verify axle, transmission, and ring gear configuration before ordering, since fitment varies by application and position. Match the bearing dimensions to the original part and confirm the listed vehicle notes, including Spicer, Rockwell, and ring gear references. Professional installation is recommended for axle and differential service.

Quality Assurance

SKF manufactures this bearing to high quality standards and uses a tapered roller design with a smooth raceway profile for consistent operation. SKF has supplied engineered bearing solutions for more than 100 years, and BR3877 is built for long service life in demanding driveline use.