Do conveyor idlers need lubrication?

Do conveyor idlers need lubrication?

Yes,lubrication is essential for their proper operation.

Let me explain in the simplest terms,applicable to both on-site and international markets:

1.All idlers are pre-lubricated at the factory.

Whether steel,nylon,or impact idlers,the bearings must contain grease;otherwise,the bearings will burn out and seize up immediately upon startup.

2.Most idlers are maintenance-free and do not require lubrication.

Standard industrial idlers are typically single-use,sealed lubrication systems.

They contain long-lasting grease,ensuring a tight seal.No manual lubrication is needed during their lifespan.If damaged,the entire idler is replaced.

3.Only a few lubrication-enabled idlers require periodic lubrication.

These are mostly used in heavy-duty,mining,high-temperature,and high-dust environments.

These idlers have grease fittings(oil injection holes)at both ends.

Regular application of grease is necessary to maintain bearing lubrication.

4.What are the consequences of not lubricating?

Dry bearing friction→overheating,abnormal noise

Increased resistance→increased power consumption,belt wear

Rapid seizure→Idler roller becomes unusable

APA：Kulinowski, P., Kasza, P., & Zarzycki, J. (2021). Influence of design parameters of idler bearing units on the energy consumption of a belt conveyor. Sustainability, 13(1), 437.