Ball Transfer Unit KSM NJ series

Product Overview

The NJ series ball transfer units are lightweight press-fit insert type omnidirectional conveying parts. Different from flange and screw-mounted models, they adopt an integrated cylindrical shell structure, specially developed for compact spaces and lightweight equipment, and serve as core conveying components for small assembly lines and precision tooling tables. The housing is made of high-quality carbon steel with chrome plating, featuring high surface hardness and excellent smoothness. It effectively resists workshop dust, moisture and slight acid-base corrosion, avoiding rust and wear to maintain stable performance and good appearance during long-term operation.

Features

• Integrated carbon steel chrome-plated housing, high hardness, rust & corrosion resistant, scratch and wear resistant for harsh industrial environments

• Press-fit insert structure, no screws or flanges required, direct press-in installation for time-saving assembly

• 360° omnidirectional rotation with ultra-low rolling resistance, ensuring smooth, jitter-free and scratch-free material conveying

• Compact mini size design, space-saving, perfect for thin plates and light-duty workbench equipment

• Built-in high-precision bearing steel balls, stable load capacity, quiet operation and long service life

Material & Craftsmanship

The housing adopts premium carbon steel base material with hard chrome electroplating. The uniform plating layer has strong adhesion, providing better wear and rust resistance than ordinary painting and galvanizing processes. The core rolling balls are made of high-carbon bearing steel, processed by overall quenching hardening and precision polishing. The smooth spherical surface and high-precision internal structure greatly reduce the rolling friction coefficient, ensuring flexible and smooth rotation. The overall structure is firm without loose parts or ball falling risks for higher safety.

Structure & Performance Advantages

Featuring tool-free press-in installation, NJ series units can be firmly fixed by direct pressing after drilling corresponding holes on equipment plates, saving assembly time and cost with tight and non-loose fitting. The 360° full-range omnidirectional rotation allows arbitrary translation, steering and fine adjustment of workpieces with smooth and quiet conveying without surface scratches. Compact and flat-mounted design saves space without protruding from the equipment surface, making it ideal for various thin and light conveying equipment and precision workbenches for long-term continuous stable operation.

Application Scenarios

• Precision Electronic Production Lines: Assembly tables for electronic accessories, circuit boards and small components, realizing light translation and fine positioning without workpiece scratches

• Light-Duty Logistics Conveying Equipment: Small sorting tables, manual conveyor lines and turnover tooling plates for omnidirectional conveying of light goods

• Packaging & Light Industrial Machinery: Inlet and outlet tables of small packaging machines, labeling machines and coding machines for smooth material guiding and conveying

• Testing & Experimental Equipment: Precision inspection tables, experimental tooling platforms and quality testing benches for flexible workpiece movement and detection

• Automation Auxiliary Tooling: Robot auxiliary workbenches and small transfer equipment, meeting omnidirectional conveying needs in compact installation spaces

NJ series press-fit insert ball transfer units adopt rust-proof and wear-resistant carbon steel chrome-plated housings and high-precision bearing steel balls, supporting fast screw-free press-in installation. With compact size, 360° smooth omnidirectional rotation, low noise and low friction without damaging workpieces, they are perfect for precision electronics, light industrial packaging and light-duty logistics conveying, improving equipment efficiency and service life with minimalist installation.