Reroth/Star 1621-412-10 Ball Block Rail Runner Size 45

The Rexroth/Star 1621-412-10 is a precision ball block rail runner designed for size 45 linear guide systems, providing smooth, low-friction linear motion with high load capacity and excellent rigidity. Supplied new in manufacturer packaging, it is suitable for demanding industrial automation, machine tool, and material handling applications requiring precise guidance and long service life. Technical specifications: Manufacturer: Rexroth / Star (Bosch Rexroth) Manufacturer part number: 1621-412-10 Product type: Ball block rail runner Linear guide size: 45 Bearing type: Recirculating ball linear guide block Block style: Standard carriage, full-size Bore size: 45 mm Overall length: 133 mm Overall width: 86 mm Height: Size 45 standard profile Rail compatibility: Rexroth/Star size 45 linear guide rails Rolling element type: Steel balls Ball circulation system: Integrated recirculating return channels Preload class: Standard (typical for size 45 unless otherwise specified) Accuracy class: Standard industrial accuracy Body material: Hardened steel Surface finish: Precision ground raceways Lubrication: Grease lubricated, lubrication ports provided Mounting type: Top mounting via threaded holes Direction of load: Radial and moment loads in all directions Operating speed capability: High-speed linear motion Operating temperature range: Typical industrial range Sealing: End seals for contamination protection Applications: CNC machines, automation systems, packaging equipment, robotics, material handling Condition: New, in manufacturer packaging Country of manufacture: Germany