Ball Bearing Set Screw Rod Ball Screw End Support Unit with Screw Lock. Multiple Support Models: Offers 6 models including EK, FK, FF, BK, and BF types for various ball screw shafts. High Precision Bearings: Fixed side fitted with JISS class angular contact bearings adjusted by pre-pressure. Miniature Bearing Option: EK/FK4, 5, 6 models feature 45-degree contact angle bearings for high rigidity. Diverse Material Choices: Support units available in Bearing Steel, Stainless Steel, and Carbon Steel. High Reliability Performance: Designed for smooth operation, high rigidity, and high running performance. Customizable Thread Direction: Available in both Right and Left thread directions to suit specific needs. OEM and ODM Services: Full OEM and ODM services available for customized manufacturing requirements. Flexible Lead Time: Off-season delivery within 15 workdays; peak season takes approximately one month.