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All Boston Gear change gears are manufactured with a double key to accept the compound steel bushings that connect two gears together
Provides greater axial holding power than set screw or one-piece clamping collars
non-metallic
see SNA vs SUC pages for bearing insert dimensions)
Size 63- 16mm Diameter x 40mm Usable Length
PT2503-400TG Polyurethane Tubing B5 200mm Female Pilot 130mm All Boston Gear change gearsCoilhose Pneumatics Polyurethane is extruded from high quality ether based resin. This means that the tubing will not degrade over time when exposed to water. Polyurethane tubing offers increased flexibility, resistance to kinking and a broad temperature range. All our polyurethane tubing is 95A durometer and can be used with either push to connect fittings or hose barbs.
