This ball screw bearing, model 25TAB06U2NSE, GM P4 doublesided sealed precision spindle bearing, is designed for precision spindle applications. It combines a ball screw bearing configuration with doublesided NSE seals and a P4 tolerance class to deliver accurate, reliable performance in demanding environments. Key benefits precision operation: P4 tolerance minimizes runout and improves machining accuracy in spindle applications. Enhanced protection: doublesided NSE seals guard against contamination while preserving lubrication, extending bearing life. Ready for spindle integration: compact, precision design compatible with standard spindle mounting patterns used in GM systems. Low friction and durability: engineered for smooth operation and long service life in speed spindle environments. Trusted brand and model: GM 25TAB06U2NSE is a dedicated precision spindle bearing solution. Key attributes Model: 25TAB06U2NSE Brand: GM Type: Ball screw bearing / precision spindle bearing Seals: NSE doublesided seals Tolerance: P4 Application: precision spindle applications requiring sealed, accuracy bearings Compatibility: designed to fit standard spindle assemblies that use the 25TAB06U2NSE configuration Performance: suitable for precision, speed spindle service with reliable contamination protection Use cases Replacing worn spindle bearings in a precision CNC milling spindle to restore accuracy and repeatability. Retrofitting a speed grinding or milling spindle where sealed bearing protection is required to resist coolant and particulate ingress. Deploying in automation or robotics spindle axes that demand precision rotation with robust sealing and long service life.