Tapered Roller Bearing Cup 28521 For Auto Axle Hubs Heavy Duty Steel Grease Lubricated Ready To Install 4.1 By 4.1 By 1.4 Inches Outer Diameter 3.625 Inches Bore 3.625 Inches

Heavy Duty Tapered Bearing Cup 28521, Grease Ready
✔️ Single unit, 4.1 x 4.1 x 1.4 in; OD 3.625 in

This tapered roller bearing cup is a heavy-duty steel component designed to fit into auto axle hubs and various bearing assemblies. It ships grease-ready for quick installation in compatible hub designs.

✅ Part number: 28521
✅ Material: Steel
✅ Outer diameter: 3.625 in (92.08 mm)
✅ Bore diameter: 3.625 in (92.08 mm)
✅ Overall thickness: 1.4 in (35.56 mm)
✅ Dimensions: 4.1 x 4.1 x 1.4 in (104.1 x 104.1 x 35.6 mm)
✅ Lubricant: grease-compatible
✅ Type: Tapered Roller Bearing Cup

💡 What is a tapered bearing cup used for in mechanical assemblies?

This bearing cup serves as the outer housing that seats the tapered roller bearing in hub and gearbox assemblies, helping align components, support loads, and retain grease.

- supports load distribution in axles and hubs - ensures accurate alignment and smooth rotation with grease lubrication - compatible with standard cup-and-cone bearing configurations