NSK RNSTL 1404A3.5S ball screw

NSK RNSTL 1404A3.5S belongs to ball screw, part of our Linear motion range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for RNSTL 1404A3.5S and any equivalents.

The NSK RNSTL series is a precision ball screw family that turns rotary motion into axial movement with high efficiency. It suits machine tools, automation systems and other equipment where repeatability and rigidity matter. MR Industrial Accessories LLC supplies this series to customers across the United States, Canada, Mexico and South America, and helps buyers match the correct ball screw to the application.

The RNSTL code can be broken down into sections. The opening letters point to the precision ball screw family, while the digits that follow give the nominal diameter and the lead. In RNSTL 1404A3.5S, for instance, the 14 is the diameter and the 04 is the lead; in RNSTL 1808A3.5S, those values are 18 and 08. The A block with a decimal, such as A3.5 or A2.5, describes the nut type and its length, and the closing S covers the sealing or nut configuration. Reading the code this way makes the main characteristics easy to identify.

Typical applications include machining centers, grinding machines, coordinate measuring machines, laser cutting equipment and pick and place systems. RNSTL ball screws also appear in medical devices, industrial 3D printers and precision tables. Because they carry axial loads and hold positioning, they fit repetitive cycles in demanding environments.

When choosing a ball screw, review the axial load, rotation speed, overall length and mounting type. Correct lubrication and sealing keep contamination out and help extend service life. Alignment between the ball screw and the linear guide is critical; misalignment produces vibration and premature wear. Adjust axial play to the required precision, and mount the nut with the torque recommended by the manufacturer.

NSK RNSTL series ball screws may be interchanged with other brands that use similar designations, but critical dimensions such as diameter, lead, length and nut type must always be verified. Not every series swaps directly; in many cases the support or flange has to be adapted. If you have a code from another brand, the team can help identify a suitable equivalent.

For a ball screw for your machine, send the code or the dimensions by WhatsApp or email. MR Industrial Accessories LLC will quote the exact reference and advise you so the installation is right.