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MOLYKOTE® BG-555 Low Noise Grease

MOLYKOTE® BG-555 Low Noise Grease is an NLGI Grade 2–3 lithium-thickened lubricant. It reduces noise, protects against wear and corrosion, and is ideal for automotive and industrial use, ensuring reliable performance across temperature extremes.

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Product Line
MOLYKOTE® Greases
Industries
Application Base Oil Viscosity (@ 40°C) High Temperature Low Temperature Market NLGI Grade Performance Benefit Product Chemistry Product Type Thickener
Authorized Countries
United States

Product Overview

MOLYKOTE® BG-555 Low Noise Grease is a premium, synthetic, polyol ester (POE) based lubricant for extended-term protection and anti-rust.  MOLYKOTE® BG-555 is engineered with a lithium-based thickener that provides robust thermal stability at low and high temperatures. In its formulation, impurities in the MOLYKOTE® BG-555 are removed from the main raw material and manufactured in a dust-free factory with strictly selected additives, resulting in quieter bearing performance.

MOLYKOTE® BG-555 can last several times longer for applications at higher temperatures, outperforming other lubricants in the market. At nominal operating temperatures, MOLYKOTE® BG-555 can extend the intervals required for grease repacking and bearing replacements.

Applications

MOLYKOTE® BG-555 is an ideal lubricant solution for a range of industrial applications, including but not limited to the following:
  • Bearings and housings with long-term exposure to elevated temperatures, which may lead to material degradation and reduced efficiency over time. Regular monitoring and maintenance are essential to ensure performance and the optimal extend lifespan of the equipment.
  • Excessively loud operating bearings or equipment, which can indicate misalignment, inadequate lubrication, or wear and tear. Addressing these issues promptly can prevent further damage and costly downtime. Implementing a routine inspection schedule can help identify potential problems early, ensuring the machinery operates smoothly and reliably

Features & Benefits

  • Wide operating temperature range (−40°C to 150°C), allowing for versatile applications in extreme climates or industrial environments.
  • Excellent noise-dampening performance, ensuring quieter operation in machinery and reducing sound pollution inside factories and residential areas.
  • Great low-temperature lubrication properties, which improve efficiency in cold weather conditions and extend the lifespan of mechanical components.
  • Superb rust and corrosion prevention, protecting metal surfaces from environmental damage and reducing maintenance costs over time.
  • High thermal stability, ensuring consistent performance even under prolonged exposure to high temperatures and preventing breakdowns.
  • Environmentally friendly composition, making it a sustainable choice for industries aiming to reduce their ecological footprint.

Problems Solved

  • Incredibly loud bearing operation (squeak and rattle) that can disrupt nearby activities and cause concern among operators. This noise is often a symptom of deeper mechanical issues that require immediate attention to prevent further damage.
  • Inferior thermal stability in grease, which can lead to increased wear and tear on the bearings. When the grease breaks down under high temperatures, it fails to provide adequate lubrication, potentially leading to costly repairs or replacements.
  • Inadequate lubricant operational life, resulting in frequent maintenance and downtime. This not only affects productivity but also increases operational costs as lubricants need to be replenished more often. Consistent monitoring and timely interventions are essential to maintain optimal performance.

Product Specifications

Product type: Grease
Base oil viscosity @ 40°C: 26 cSt
NLGI Grade: 2–3
Thickener: Lithium
Low temperature: −40°C (−40°F)
High temperature: 149°C (300°F)
Color: Beige

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