On modern front- and four-wheel drive cars, wheel bearings are a set of permanently sealed, precisely machined steel ball or straight roller bearings. The balls, or rollers, are encased in a "cage" ...

HIGH-QUALITY ULTRA DURABLE ROLLER SKATES ... 5 steel ball bearings designed to provide a smooth roll. These quad skates also have tough 62mm, 93A hardness polyurethane wheels designed to provide ...

plus even the carbon steel bearing wheels at the base are replaceable if needed. The impression given is that this is something of a Rolls Royce of rolling bags/cases. But can this behemoth of ...

Thanks to its large ball wheels and five ODrive brushless motors that drive them, this bike can move sideways, roll in all ...

A lustrous scion of fin-de-siècle Vienna, she was born Alma Maria Schindler, the daughter of the operetta singer Anna Bergen ...

Sir Jim Ratcliffe created his own car company from scratch to build the ultimate off-road SUV. On a punishing seven-day ...

The connecting rod and crankshaft bearings can readily be adjusted by ... and the throttle is controlled by a hand lever on the steering wheel, by an accelerator pedal, and by the governor.

At the end of the 14 th century there were two types of mill in the Netherlands: the post mill, which was a ground winder, ...