High precision cartridge type spindle equipped with four pieces of Class 7 (P4) angular contact ball bearings suitable for heavy duty grinding. Hand-scraped and Turcite-B Coated cross-feed guideways between base and saddle have double "V" design, providing support for full table travel and preventing table overhangs. Automatic dressing with compensation during grinding cycle. Hand-scraped and Turcite-B coated longitudinal ways between table and saddle are double "V" design, ideal for delicate side grinding operations. Data transfer is simplified by using a USB data port or Ethernet connection.