BCA part description

National® Oil Seals & Bearings offer a full line of premium oil seals and bearings.
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • High radial load capacity makes them suitable for high speed applications
  • Industry leading coverage
  • Professional technicians know they can depend on National
Part Description Cylindrical Bearing Assembly
Bore (Inch) 1.7717
Bore (MM) 45
Outside Diameter (Inch) 3.937
Outside Diameter (MM) 100
Width (Inch) 0.9843
Width (MM) 25
Cylindrical Inner Race MU-1309-V
Cylindrical Outer Race M-1309-C
Type SO

The Bearing Corporation of America (BCA®) is backed by over 100 years of experience supplying the American market with top-of-the-line wheel-end solutions. Headquartered in a 670,000-square-foot state-of-the-art facility in Illinois, BCA is renowned as the top supplier of automotive and medium-duty hub assemblies, seals, and bearings for various domestic and foreign applications. BCA products are designed for technicians that need replacement parts that fit right the first time they are installed. These OE solutions, which provide an exact fit, superior performance, unmatched durability, and longer service life, are products of BCA’s commitment to modern technological advancements and the brand’s design philosophy that focuses on performance.

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