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
  • Controlled heat treating process for lasting performance and extended bearing life
  • Industry leading coverage
  • Professional technicians know they can depend on National
BALL BEARING
Part Description Ball Bearing
Inner Race Bore (Inch) 0.500
Inner Race Bore (MM) 12.700
Inner Race Width (Inch) 0.313
Inner Race Width (MM) 7.938
Inner Race Radius (Inch) 0.016
Inner Race Radius (MM) 0.406
Outer Race Outside Diameter (Inch) 1.125
Outer Race Outside Diameter (MM) 28.575
Outer Race Width (Inch) 0.313
Outer Race Width (MM) 7.938
Outer Race Radius (Inch) 0.016
Outer Race Radius (MM) 0.406
Bore (Inch) 0.500
Bore (MM) 12.700
Outside Diameter (Inch) 1.125
Outside Diameter (MM) 28.575
Width (Inch) 0.313
Width (MM) 7.938
Series R
Design Single Row Radial
Type A-5

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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