TEDIN Bearing Resources
Bearing Guides & Application Insights
Explore practical bearing guides, maintenance advice and industry application insights to help you understand bearing selection, performance and use.
Latest Articles
Explore the latest technical guides and application insights from TEDIN Bearings.

Crusher Bearing Overheating: Causes and What to Check
A crusher bearing running hot can point to a lubrication or installation problem, but temperature alone does not confirm bearing

Rotary Table Bearing Installation: Mounting Checks and Common Mistakes
More runout, tighter rotation, or unexpected heat after installation does not always mean a faulty bearing. Mounting faces, fits, bolt

Rotary Table Runout vs. Indexing Accuracy: What Is the Difference?
A dial indicator shows how much a rotary table’s reference surface moves during rotation. It does not tell you whether

Rotary Table Bearing Selection: YRT vs. Crossed Roller Bearings
Rotary table bearing selection depends on loads, speed, stiffness and mounting conditions—not just bearing size. The support must carry the

Spindle Bearing Run-In: What to Check After Replacement
Spindle bearing run-in is a controlled initial operating procedure used after bearing replacement or a spindle rebuild. Before returning the

NN vs. NNU Bearings: Choosing Cylindrical Roller Bearings for Machine Tool Spindles
When a machine tool spindle uses a double-row cylindrical roller bearing, the designation often begins with NN or NNU. Both

Spindle Bearing Numbers and Suffixes: What to Record Before Replacement
During a spindle rebuild, spindle bearing numbers may still be readable even when the suffixes are faint or missing. The

CNC Spindle Bearing Replacement: What to Check Before Ordering
The dimensions match. The bearing fits on the shaft. That still does not make it the right replacement. Two spindle

CNC Spindle Bearing Fits and Tolerances: Shaft and Housing Guide
An interference fit changes more than how firmly a spindle bearing grips the shaft. It expands the inner ring and
Hybrid Ceramic vs. Steel Ball Spindle Bearings
The main difference between hybrid ceramic and steel ball spindle bearings is the rolling element material. Hybrid bearings use silicon

Universally Matchable vs. Matched Angular Contact Bearings
Universally matchable angular contact bearings can be combined with compatible bearings without individually matching each pair. A designated factory-matched set

Angular Contact Bearing Contact Angles: 15° vs. 25° vs. 40°
The angular contact bearing contact angle affects radial and axial load capacity, stiffness and speed capability. Two bearings can have