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 387
Cone Bore (Inch) 2.2500
Cone Bore (MM) 57.1500
Cone Length (Inch) 0.8640
Cone Length (MM) 21.9460
Cone Radius (Inch) 0.0930
Cone Radius (MM) 2.3620
Taper Bearing Cup 382
Cup Bore (Inch) 3.8750
Cup Bore (MM) 98.4250
Cup Length (Inch) 0.7018
Cup Length (MM) 17.8260
Cup Radius (Inch) 0.0310
Cup Radius (MM) 0.7870
Standout (Inch) 0.1250
Standout (MM) 3.1750
Width (Inch) 0.8268
Width (MM) 21.0000

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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