Category Archives: Linear Slide Systems

Linear Motion 101 – Learn From the Pros

Just a click away are over 20 linear motion videos.  Want to learn the basics of a ball screw jack?  Perhaps, you need to load a standard ball nut?

Check us out :  Nook Industries!!


Making Motion Happen


Linear Motion and Packaging

Increase in customer demand within the packaging industry continues to power the need for the most reliable linear motion products to be integrated into packaging applications. Tailored to solve the toughest packaging challenges, Nook’s products are found in a variety of different packaging applications from filling and measuring to wrapping and labeling. We offer the packaging industry a variety of systems’ solutions, which incorporate our core products, such as Modular Linear, Worm Gear Ball Screw Jacks and Linear Slide Systems.

Packaging applications integrating Nook technology include:

  • Labeling machines
  • Palletizing and loading
  • Wrapping applications
  • Filling and measuring machines
  • Vacuum packaging equipment
  • Case packers
  • Multi-packing in-feed

On display at the upcoming Pack Expo trade show, will be Nook’s pick and place, tri-bot,  and other solutions to your packaging applications.  Click here for your admission to Pack Expo, and visit Nook Industries at Booth E-7305 for your linear motion solutions.

With the use of our customized linear motion products, our packaging customers are able to increase and reach maximum productivity and product throughput.  Contact Nook Industries, to see how we Make Motion Work for you!



All Your Equations In One Place


When a linear motion solution is in place & running, it’s easy for the casual observer to think it looks easy. That’s what our industry is all about; making the difficult or even impossible look easy.

But what few people outside the industry realize is just how much work needs to go into the design of a successful linear motion system. The old adage “Measure twice, cut once” doesn’t even begin to cover all the variables, that have to be dealt with.

Now, a new app looks to make that successful design at least a little easier. The Design Guide Pro not only offers selectors for Bevel Gears, Worm Gear Jacks, Bearings and Electric Cylinders, but it also has a calculator section. Here, you’ll find tools to help you establish Energy, Critical Speed, Column Load, Torque and Nut Life as well as helping with Unit Conversions.

All in the palm of your hand. Check it out today by clicking here.


Getting the Most out of Your Linear Bearings (Part 2)

In order to get the best performance and life out of your linear bearings, proper lubrication is key.

A lubricant formulated for rolling friction should be used with linear bearings. In applications where operating speeds are low and loads are light,  linear bearings can be used without lubrication at a greatly reduced life. However, it is never recommended to operate linear bearings without lubrication. To protect the highly polished bearing surfaces from corrosion and wear, a lubricant is required.

Where linear speeds are high, a light oil should be used and provision for re-lubrication should be made to avoid operating the bearings dry. For typical applications, a medium-to- heavy oil has good surface adhesion and affords greater bearing protection. Linear bearings 2 inches in diameter and above may use high pressure lithium grease such as Shell Alvania #2 for moderate speed applications. Lubricants containing additives such as molydisulfide or graphite should not be used.


Getting the Best out of Your Linear Round Rail Bearings (Part 1)

In order to get the most life and best applications out of your bearings, it’s important to understand the size of the load, how the load will be applied and the length of the stroke. Applying too much weight to a load can significantly reduce the life and efficiency of your bearings. Also, incorrectly distributing the weight on the load can be harmful. In addition to some helpful design considerations, let’s take a look at the load considerations below.

Load ratings are the required design life, shaft hardness and bearing dynamic that affect the load and can be applied to a linear bearing. Two dynamic load ratings are given for each bearing size based on the rotational orientation of the bearing.

The normal load rating is used in applications where the orientation of the ball tracks relative to the load cannot be controlled. The normal load rating is based on a load imposed directly over a single ball track. The normal load rating shown in the specification tables is slightly greater than would be mathematically calculated based on one track loading, because it assumes that the load is shared to some degree by one or more of the adjacent ball tracks.

The maximum load rating assumes that the load is applied midway between two ball tracks as illustrated below. In this orientation the load is distributed over the maximum number of bearing balls.

The normal and maximum load ratings are based on a Rc 60 shaft hardness and a travel life of two million inches. For linear bearing system operating at less than full rated load, the Load-Life Curve may be used to determine the travel life expectancy.

An equivalent load value can be calculated when sizing linear bearings for applications at conditions other than maximum rating.

linear bearings