High-Temperature Grease Selection for Industrial Applications

Selecting and applying the right industrial lubricant isn't just about following a datasheet. It's about understanding what happens inside a bearing at temperature, under load, and over time. High-Temperature Grease Selection is where that understanding pays off.

TL;DR

  • Understand high-temperature grease selection — and why it matters for equipment reliability
  • Know the key differences in temperature ranges by grease type
  • Apply the right recommended klüber products for your operating conditions

High-Temperature Grease Selection

Operating temperature is one of the most critical factors in grease selection. As temperature increases, grease life decreases exponentially — a rule of thumb is that grease life halves for every 15°C increase above 70°C. Selecting the right high-temperature grease can mean the difference between reliable operation and catastrophic bearing failure.

Temperature Ranges by Grease Type

Grease Type Max Continuous Temp Typical Application
Lithium Soap 120-130°C General industrial bearings, electric motors
Lithium Complex 150-180°C Higher-temp industrial bearings
Polyurea 160-180°C Electric motors, sealed bearings
Bentonite (Clay) 180-200°C Oven conveyors, kiln cars
PTFE/Silicone 200-220°C Low-load, high-temp applications
PFPE (perfluoropolyether, a chemically inert synthetic base oil used for extreme-temperature and aggressive-chemical applications)/PTFE 250-260°C Extreme temperature, chemical resistance, oxygen service

> Tip

A rule of thumb: for every 15°C increase above 70°C, grease life is cut in half. If your bearing housing is too hot to touch comfortably, check your lubrication — you may be over-greasing or using the wrong product.

Recommended KLÜBER Products

  • Kluberlub BE 71-501: Bentonite-thickened for non-melting performance up to 200°C.
  • UNISILKON L 250 L: Silicone-based grease for low-load applications up to 200°C.
  • Klubertemp HM 83-402: PTFE-thickened silicone grease rated to 220°C.
  • Barrierta L 55/2: Premium PFPE/PTFE grease for extreme temperatures to 260°C with chemical inertness.
  • ALTEMP Q NB 50: PFPE/PTFE grease combining thermal and chemical resistance.

KOEED Support

Send your high-temperature application details to Moritta@KOEED.COM for a personalized KLÜBER product recommendation.

Need Technical Support for High-Temperature Grease Selection?

Send your BOM or product inquiry to Moritta@KOEED.COM. Datasheets, availability, and pricing within 24 hours. Worldwide shipping on genuine KLUBER products.

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