Ball bearings consist of a set of precision-machined ball elements that roll between an inner race and an outer race, typically made of hardened steel. The balls are held in place by a cage, ensuring ...

Some are silicone, which is a different ball game. Synthetic grease has less rolling friction ... to medium-load items like tools and garden equipment. Grease is the lube of choice for higher-load ...

It's best to use a silicone spray for door hinges. Unless you have a complicated hinge that contains ball bearings, you should pop the pins out of the hinge, clean them thoroughly, and oil them ...

In the 1950s, the F91 3=6 – also known as the ‘Sonderklasse’ – raced at Zandvoort, and there were many specials equipped with ...