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Technical articles about bearing types, structures, dimensions, clearance, preload and basic bearing terminology.
Explore the latest technical guides and application insights from TEDIN Bearings.
When checking cone crusher bearing part numbers, first establish where each number came from. A reference in the crusher parts manual may differ from the designation marked on
When ordering a replacement, “cone crusher main bearing” may not identify the part precisely enough. The request could involve a radial bearing, a thrust bearing or several positions
Mounting a tapered-bore spherical roller bearing reduces its radial internal clearance. As the inner ring moves onto the taper, it expands. The installer must achieve the required fit
A brass cage is not automatically better than a steel cage for mining equipment. The suitable choice depends on the complete bearing design, including how the cage is
C4 specifies a higher radial internal clearance group than C3 for the same bearing type and bore size. It is not a higher quality grade, and it is
A dial indicator shows how much a rotary table’s reference surface moves during rotation. It does not tell you whether the table stops at the correct angle. This
When a machine tool spindle uses a double-row cylindrical roller bearing, the designation often begins with NN or NNU. Both designs provide radial support, but their ring construction
During a spindle rebuild, spindle bearing numbers may still be readable even when the suffixes are faint or missing. The dimensions are easy enough to measure. The harder
An interference fit changes more than how firmly a spindle bearing grips the shaft. It expands the inner ring and can change installed preload. A loose or uneven
The main difference between hybrid ceramic and steel ball spindle bearings is the rolling element material. Hybrid bearings use silicon nitride (Si₃N₄) balls with steel rings; steel ball
