THK BNS1616AE448.5LC5 Ball Screw Spline Assembly

Description:

The THK BNS1616AE448.5LC5 Linear Ball Screw is a precision Ball Screw/Spline assembly featuring a 16 mm screw shaft diameter, 16 mm lead, C5 accuracy grade, and an overall screw shaft length of 448.5 mm. Designed to combine precise linear motion with simultaneous spline torque transmission, it enables compact, high-speed positioning while preventing shaft rotation. Commonly installed in industrial robots, semiconductor equipment, automated assembly systems, machine tools, and precision automation machinery. Maintenance teams and system integrators use this assembly for equipment repair, retrofit, expansion, and replacement.

Applications:

The THK BNS1616AE448.5LC5 belongs to the THK BNS Series Ball Screw/Spline product family, which integrates a ball screw and a ball spline on a single shaft. The BNS1616 model features a 16 mm screw shaft diameter and a 16 mm lead, allowing simultaneous linear feed and torque transmission without requiring a separate guide mechanism. The "448.5L" designation identifies an overall screw shaft length of 448.5 mm, while "C5" specifies the precision accuracy grade. The "AE" suffix is a THK factory configuration code related to shaft-end machining or customer-specific specifications and is not publicly decoded by THK; therefore, its meaning should not be inferred without the original engineering drawing.

Technical Specifications:

• Brand: THK
• Part Number: BNS1616AE448.5LC5
• Product Type: Linear Ball Screw / Ball Screw Spline Assembly
• Series: BNS (Linear-Rolling Motion Model)
• Screw Shaft Diameter: 16 mm
• Lead: 16 mm
• Overall Screw Shaft Length: 448.5 mm
• Accuracy Grade: C5
• Ball Center Diameter: 16.65 mm
• Ball Screw Nut Outside Diameter: 52 mm
• Flange Diameter: 68 mm
• Ball Screw Nut Length: 43.5 mm
• Motion Type: Simultaneous Linear Motion and Torque Transmission
• Ball Screw Type: Precision Ground Ball Screw/Spline
• Lubrication: Grease or Oil Compatible
• Material: Hardened Alloy Steel
• Features: Integrated ball screw and ball spline, compact construction, high-speed operation, high positioning accuracy, low friction, simultaneous linear travel and torque transmission, and long service life.

Note: The suffix "AE" is a proprietary THK manufacturing code. THK does not publicly document its exact meaning, so no unsupported interpretation has been included.

Common Replacements:

• THK BNS1616
• THK NS1616
• THK BNS2020