PowerTorq™ Ball Splines are convenient
and efficient devices that allow friction free linear motion while
transmitting torque. Because of their reliability and high efficiency,
they are utilized to replace conventional splines. In a ball spline
assembly, recirculating bearing balls carry the load between the
rotating member (inner race) and the rotating/sliding member (outer
race).
Inner races are made of high quality 4150 alloy steel, induction
hardened to Rc 56-60. Outer races are made of hardened steel with
ball tracks heat treated to Rc 58-60. Ball spline inner and outer
races are protected with a black oxide finish.
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