How to Fit Sealed Bearings?

Answer Sealed bearings are bearings that don't require lubrication due to the design of their setting. When they are installed correctly, sealed bearings keep out all but a minuscule amount of air. With s... Read More »

Top Q&A For: How to Fit Sealed Bearings

The Advantages of Sealed Bearings?

Sealed bearings differ from shielded or open bearings in that they cannot be relubricated once the lubrication breaks down or leaks out. Although this results in a shorter overall life span than th... Read More »

How to Replace Sealed Bearings?

The sealed wheel bearings on a vehicle's hub help the wheels turn in an axial motion. Constant high speeds and time eventually damage the sealed bearings, thus reducing their ability to smoothly tu... Read More »

Greasable Vs. Sealed Bearings?

Bearings are an integral part of any machine involving rotating parts. Bearings allow parts with high friction coefficients to spin freely at high rpm with minimal heat buildup from friction. There... Read More »

How to Replace Sealed Bearings in Bottom Brackets?

Sealed bottom bracket bearings wear out and require replacement. Repairing a bicycle in need of bearing replacement requires specialized tools and knowledge of the type of bottom bracket on your bi... Read More »