Grainger offers power transmission accessories to complement your motors and power transmissions. Keyed shafts are suitable for OEM and replacement applications such as motors, and are furnished as cold-drawn, ground, and polished. Use stainless steel for food processing applications, aluminum for robotic applications, and carbon steel is easily machined for secondary operations. Use keyway drive wheels in a multitude of power transmission applications. Choose from long wearing polyurethane or economical rubber wheels in a variety of wheel widths, and bore and wheel diameters. Ball bearing mandrels are designed with corrosion-resistant die-cast housings. These precision setscrew-type ball bearing pillow blocks are prelubricated and sealed for maintenance-free operation. Find the power transmission accessories you need at Grainger.