The Model 755RG Encoder is ideal for applications requiring a small, high precision, high performance encoder. Approximately 38.1mm in diameter and 38.1mm long, it will fit where many encoders cannot. Designed with all-metal construction and shielded ball bearings, it will provide years of trouble-free use. The standard servo mount (RG) version is available with a variety of shaft sizes and lengths. Three additional servo style mounts (RGS1, RGS2, RGS3) are also available. The optional flange mountings (M1 & MA) are ideal for applications requiring a bolt-on, high precision encoder. With its high reliability and quick delivery, the Model 755RG encoder is the perfect replacement encoder in this size category.