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Cylinders & Actuators - Rack and Pinion Rotary - Numatics Series R
Double Acting - Rack and Pinion - 45° to 360° rotation
The R Series Actuators a heavy-duty rack and pinion style rotary actuator that is designed to excel in the most rigid applications. The R Series includes a high torque-to-size ratio as well as accurate positioning.
Numatics R Series Standard Specifications Include:
1）Bore sizes from 1" through 3-1/4"
2）Nominal pressure rating is 150 psi air
3）Standard rotations are: 45°, 90°, 180°, 270°, and 360°
4）Minimum breakaway pressure: 5 psi non-cushioned, 10 psi cushioned
5）Standard temperature -10°F to 165°F (-23°C to 74°C)
6）NPTF ports
7）Flexible port locating
Numatics R Series Features Include:
1）The rack and pinion is made from high strength alloy steel and is induction hardened for long life.
2）The ball bearings are sealed and pre-lubed in an effort to prevent contamination from negatively affecting the operation.
3）The rack bushing is made from bearing bronze and is durable enough to support nearly the full length of the rack.
4）The profile tube is hard coat anodized. The hard coating is an electrochemical process, which produces a very dense surface of aluminum oxide.
5）The end caps are accurately machined from (6061-T6) solid aluminum bar stock.
6）The solid aluminum alloy piston is strong and durable. A magnet groove is standard allowing for easy field conversation.
7）The piston seal is a carboxylated nitrile with PTFE® compound for self-lubricating. The U-cup type seal construction is proven and durable.
8）The wear band is a stable, lubricating strip located on the piston.
9）A 1/4-28 tapped hole (which is plugged) is provided for future installation of an optional grease fitting. The unit is pre-lubed.
10）Rotation adjusting knobs, cushions, bumpers and hydraulic shock absorbers can all be added.
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