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
  • Matched cup and cone components ensures consistent quality and outstanding performance
  • Industry leading coverage
  • Professional technicians know they can depend on National
TAPER ASSEMBLY
Part Description Taper Bearing Assembly
Bore (Inch) 1.5625
Bore (MM) 39.6880
Outside Diameter (Inch) 3.1483
Outside Diameter (MM) 79.9670
Width (Inch) 0.7636
Width (MM) 19.3950
Cone Length (Inch) 0.8700
Cone Length (MM) 22.0980
Cone Radius (Inch) 0.0900
Cone Radius (MM) 2.2860
Cup Length (Inch) 0.6010
Cup Length (MM) 15.2650
Cup Radius (Inch) 0.0500
Cup Radius (MM) 1.2700
Standout (Inch) 0.1626
Standout (MM) 4.1300
Series A20
Type TS

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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