
Conveyor Roller Lubrication: Common Mistakes and How to Avoid Them
Why belt-conveyor rollers fail from lubrication errors, why greasing “on the run” is risky, and how to control idler and pulley bearings on mining and coal sites.

On mining and coal conveyors, roller lubrication is daily reality: thousands of idlers, dust, moisture, impact. Mistakes cost belts, fires from stuck rollers, and line downtime.
Split the assets
- Carry/return idlers — mass fleet; nipples or lifetime-sealed.
- Drive and take-up pulleys — critical, high load.
- Drive motor/gearbox — separate map (motor greasing).
Common mistakes
Dirty nipples while greasing “on the run”; same calendar for all; closed drain + extra pumps; ignoring stuck rollers; treating pulleys like idlers. Lifetime-sealed rollers must not be force-greased.
Equipment covered in this article

LUBExpert — SDT Ultrasound Bearing Lubrication Assistant
SDT instrument for precision ultrasound-guided greasing of rolling element bearings: tells you when to add grease and when to stop, follows routes from UAS3 and closes…
Control without an army of greasers
Route priority (transfer points, coal); remote ultrasound walks (SDT270 / SDT340); precise dose on nipple points with LUBExpert; drive-load monitoring between walks. Equipment page: belt conveyor.
KEG TRK helps build conveyor grease and ultrasound routes in Kazakhstan. Apply.
Equipment in this article
KEG TRK quotes prices and delivery times to Kazakhstan on request. We will prepare a commercial offer for your application.

LUBExpert — SDT Ultrasound Bearing Lubrication Assistant
SDT instrument for precision ultrasound-guided greasing of rolling element bearings: tells you when to add grease and when to stop, follows routes from UAS3 and closes…

SDT270 — SDT Ultrasound Detector and Data Collector
Handheld SDT ultrasound data collector: 2 channels, up to 100 kHz bandwidth, built-in IR thermometer and laser tachometer, ICP accelerometer input, signal recording for…
Also in this article: SDT340 - Advanced Ultrasound Detector
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