Diameter
Measure at several positions.
Linear Shaft Tolerance & Fit
Linear Shaft Tolerance & Fit
A new bearing cannot correct an unsuitable shaft.
Surface
Check scoring, corrosion and local wear.
Straightness
Long unsupported shafts can dominate motion quality.
Family convention
Nominal fit references used on these families are h7 for LM, g6 for LME and h6 for the precision shaft range; confirm the final fit against the ordered model.
Send the dimensions for a selection check
Send the model, quantity, interface dimensions and application.