Problems - Bearings - Technical Information

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Problems - Bearings - Technical Information - Hobby and Engineering

Bearing Problem Solving

PROBLEM		CAUSE	REMEDY
Noise	High pitched metallic	Poor lubrication	Improve lubrication
		Clearance too small	Correct clearance
		Poor fitting	Investigate mounting method and seating
		Excessive load	Examine shaft and housing tolerances for closing effect
	Low pitched metallic	Brinelled raceway	Avoid shock loads
	Regular	Rust or damage	Check & replace seals & relubricate
	Regular	Flaking of raceway surface	Improve lubrication & check fitting, clearance and fixing method
	Irregular	Ingress of foreign matter	Check & replace seals and relubricate
		Excessive clearance	Correct clearance
		Damage & flaking of rolling element	Reduce loads and/or clearance
	Variable	Varying clearance due to temperature changes	Check fits taking housing material and temperature into consideration
	Variable	Damage to raceways	Improve lubrication & check fitting, clearance and fixing method
Heavy vibration		Flaking of raceway and rolling element	Improve lubrication & check fitting, clearance and fixing method
		Ingress of foreign matter	Check & replace seals and relubricate
		Excessive clearance	Correct clearance
		Poor location	Ensure abutment face and fitting diameter are perpendicular
Excessive heat generation		Clearance too small	Correct clearance
		Poor location	Ensure abutment face and fitting diameter are perpendicular
		Excessive load	Examine shaft and housing tolerances for closing effect
		Poor lubrication	Improve lubrication
		Creep	Maintain recommended shaft & housing fits
Lubrication breakdown		Too much grease	Use correct lubricant quantity
Lubrication breakdown		Ingress of foreign matter	Check & replace seals and relubricate

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Technical Index

Product Technical Information

Balls	Bearings	Couplings
Pins	Shafting	Timing Belts and Pulleys

Other Technical Information

Basic Information Sheets	Catalogues	Glossary of Technical Terms
Links to Further Information	Materials Information	Measurement Conversions
Skate Bearing FAQ	Technical Information Sheets

Tables and information on this web site should be read as a general guide only. The relevant standards should be consulted to ensure accuracy

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H.E. Supplies (Hobby Engineering Supplies) offers thousands of products including remote controlled cars, planes, boats, and helicopters. We stock spare parts for remote controlled models. Our range includes the popular Solarbotics solar model kits and spares. We also distribute the full range of miniature engineering products from Miniature Bearings Australia. This range includes small bearings, timing pulleys, timing belts, seals, o-rings, gears and more. Also available from our store in Mansfield Queensland are a full range of lubricants, adhesives, kites, balsa wood and plastic rod and sheet materials. See our Online Catalogue for more information. Our main business is handled from our sales counter and showroom at 186 Wecker Road Mansfield, Queensland, Australia, but we also sell by phone, fax, online and mail order. We offer all of our hobby parts through our online store and some of the more popular MBA items. If you would like to purchase other MBA items online, Small Parts and Bearings offer the full range in their online catalogue.

Using the links at the top of this page you will find extensive information including catalogues (Products and Store link), technical data, and other product specific information.

We also suggest that you may want to take a look at the technical information sites - Shafting Information, Couplings Information and Gearboxes Information.

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