This had a steel axle with ball bearings, and bicycle type steel and rubber wheels.

Immediately behind the beaters was the famous New Idea "widespread" which had a steel axle with several wooden paddles attached to it.

The main landing gear struts are made of laminated wood with a steel axle.

Seriously ridged hollow forged crankarms and a billet steel axle take a beating like a man and resist flex to put your power to the groun...

After 1820, water wheels began to have steel hubs and later steel axles with wood spokes, rims, and paddles.

But the cart's steel axles were unavailable there.

The basic yo-yo remains little more than two plastic halves held together with a steel axle with a string attached.

The journal was replaceable, but if neglected, it would heat to a temperature where the babbitt bearing alloy would melt away and leave the brass carrier riding on the steel axle.

The steel axles are mounted in adjustable ball bearings.

The flexible steel axles work as shock absorbers during taxiing and landing.