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ABIS Miniature and Precision Ball Bearings

With bores of 0.6 to 90mm and precision grades to ABEC 7

WHY NOT TRY OUR BEARING SELECTOR - CLICK HERE

Inch/Metric Bearing
Tolerance:
Desired Bore
Desired Outer Diameter
Material
Type
Closure

FAULTS, cAUSES AND REMEDIES

Problem 
Causes Remedy
Noise High pitched metallic noise

Poor lubrication
Clearance to small
Poor fitting
Excessive load

Improve lubrication
Correct clearance
Investigate mounting method and seating
Examine shaft and housing tolerances for closing effect
Low pitched metallic noise Brinelled raceway surface Avoid shock loads
Regular noise Rust and damage
Flaking of raceway surface
Check and replace seals and re-lubricate
Improve lubrication and check fitting, clearance and fixing method
Irregular noise Ingress of foreign matter
Excessive clearance
Damage and flaking of rolling element
Check and replace seals and re-lubricate
Correct clearance
Reduce loads and/or clearance

Variable noise Variable clearance due to temperature changes
Damage to raceways
Check fits taking housing materials and temperature into clearance
Improve lubrication and check fitting, clearance and fixing method
Heavy vibration Flaking of raceway and rolling element
Ingress of foreign matter
Excessive clearance
Poor location
Improve lubrication and check fitting, clearance and fixing method
Check and replace seals and re-lubricate
Correct clearance
Ensure abutment face and fitting diameter are perpendicular
Excessive heat  generation Clearance too small
Poor location
Excessive load
Poor lubrication
Creep
Correct clearance
Ensure abutment face and fitting diameter are perpendicular
Examine shaft and housing tolerances for closing effect
Improve lubrication
Maintain recommended shaft and housing fits
Lubrication failure Too much grease
Ingress of foreign matter
Use the correct lubricant quantity
Check and replace seals and re-lubricate

 

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