Focus on: Seals, Bearings & Lubrication Process, Controls & Plant Annual Buyers’ Guide 2026 www.pwemag.co.uk Plant & Works Engineering | 23 1 2025 1975 Pumps & Pumping Equipment • Cleaning Equipment • Hose & Hose Reels Fluid Handling Components • Fittings, Connectors & Filters Spraying & Watering • Engines, Motors & Generators www.dualpumps.co.uk UK Official Distributor Since 1983 Follow / Like / Subscribe Dependable Under Pressure Tel: 01664 567226 • Email: info@dualpumps.co.uk Dual Pumps 178x124 Nov.indd 1 23/10/2025 10:47:04 applications, oil is preferred for its ability to circulate and dissipate heat more effectively than grease. Temperature is another key factor. In environments where bearings are exposed to elevated operating or ambient temperatures, oil typically provides better thermal stability and cooling capacity with much less resistance than high temperatures greases. Heavily loaded systems may benefit from oil’s superior film strength and flow characteristics, though grease formulations with extreme pressure additives can also perform well in low-speed, high-load conditions. In environments where contamination is a concern — such as dusty, wet or chemically aggressive settings — grease tends to be the better option, as its consistency helps seal out harmful debris and moisture. Finally, maintenance accessibility must be considered. In applications where regular relubrication is difficult or impractical, sealed bearings pre-filled with grease offer a more reliable and maintenance-free solution. Finding the right balance Ultimately, the choice between grease and oil comes down to balancing performance needs with practical constraints. Grease offers simplicity, sealing and lower maintenance — ideal for many standard industrial and automotive applications. Oil, on the other hand, delivers superior cooling and lubrication under extreme conditions but requires a more involved setup and monitoring process. By carefully assessing the demands of the application and understanding the strengths and limitations of each lubrication type — engineers and maintenance teams can make informed decisions that improve bearing life, reduce downtime and optimise operational efficiency. For further information please visit: http://www.smbbearings.com/
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