Wheels turning at 800 revolutions per mile can generate a lot of friction and heat. Roller-type or ball bearings packed in grease inside all four wheel hubs allow wheels to spin freely without ...
Wheels turning at 800 revolutions per mile can generate a lot of friction and heat. Roller-type or ball bearings packed in grease inside all four wheel hubs allow wheels to spin freely without ...
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 ...