NSK EM2812-4E ball screw

NSK EM2812-4E 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 EM2812-4E and any equivalents.

When a machine tool or automation axis needs rotary motion turned into accurate linear travel, an NSK EM series ball screw is one of the components that does the job. MR Industrial Accessories LLC supplies this line to plants and maintenance teams in the United States and Latin America, working from the part number or from the key dimensions when the number is no longer readable.

The code tells you most of what you need before you open a catalog. Take EM2812-3E: 28 mm nominal diameter, 12 mm lead, 3 ball circuits. EM4016-4E follows the same logic with 40 mm diameter, 16 mm lead and 4 circuits. The closing E marks the standard execution of the series. Reading diameter, lead and circuit count this way lets a buyer match a screw to the load and speed the axis actually runs at.

Typical applications include milling machines, CNC lathes, grinding machines and machining centers, plus presses, manipulators and precision conveying systems. Low friction together with the capacity to take axial load is what makes these screws workable on intensive duty cycles where positioning has to repeat.

Selection comes down to axial load, rotation speed, rigidity and the precision the application demands. On installation, the supports must line up with the nut axis and axial play has to be controlled. Lubrication per specification and protection from contaminants both matter for service life. High-speed setups call for a check of critical speed and cooling, and the nut has to be fastened firmly to the carriage so vibration does not develop.

Interchange is possible with equivalent screws from other manufacturers when diameter, lead, circuit count and nut type correspond. A replacement decision should also compare mounting dimensions and load capacity. Even without the original number, the part can usually be identified from its measurements and functional characteristics so a compatible option can be proposed.

To get a quote on the NSK EM series ball screw you need, send the complete part number to MR Industrial Accessories LLC by WhatsApp or email. If the number is not available, the main measurements or a photo of the part are enough for the team to indicate which option applies. Replies come back promptly, and the team can also suggest equivalents and help with the choice.