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
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
TAPER SET
Part Description Taper Bearing Set
Taper Bearing Cone 17887
Cone Bore (Inch) 1.6626
Cone Bore (MM) 42.2300
Cone Length (Inch) 0.8125
Cone Length (MM) 20.6380
Cone Radius (Inch) 0.0787
Cone Radius (MM) 2.0000
Taper Bearing Cup 17831
Cup Bore (Inch) 3.1490
Cup Bore (MM) 79.9850
Cup Length (Inch) 0.5937
Cup Length (MM) 15.0800
Cup Radius (Inch) 0.0315
Cup Radius (MM) 0.8000
Standout (Inch) 0.1875
Standout (MM) 4.7620
Width (Inch) 0.7812
Width (MM) 19.8420
Footnote Components Not Available Seperately

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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