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 Adapter Bearing
Inner Race Bore (Inch) 1.000
Inner Race Bore (MM) 25.400
Inner Race Width (Inch) 0.844
Inner Race Width (MM) 21.430
Inner Race Radius (Inch) 0.080
Inner Race Radius (MM) 2.032
Outer Race Outside Diameter (Inch) 2.047
Outer Race Outside Diameter (MM) 52.000
Outer Race Width (Inch) 0.591
Outer Race Width (MM) 15.000
Bore (Inch) 1.000
Bore (MM) 25.400
Outside Diameter (Inch) 2.047
Outside Diameter (MM) 52.000
Width (Inch) 1.219
Width (MM) 30.958
Series NPADAP
Design Narrow Inner Ring
Type I-1

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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