FUCHS High-Speed / Low-Noise Bearing Grease Selection: Core Advantages and Application Guide of the FUCHS LUBCON Bearing Grease Series
In modern industry, bearings are the core components of rotating equipment, and their operating condition directly determines the efficiency and service life of production lines. As equipment becomes faster and more precise, bearings face higher speeds, greater temperature rise, and stricter noise standards. The FUCHS LUBCON bearing grease series provides precise lubrication solutions for all scenarios — high speed, high and low temperatures, low noise, and heavy loads.

I. High-Speed Bearing Greases
During high-speed operation, bearing rolling elements endure extreme shear and centrifugal forces, so the grease must provide a stable oil film, excellent shear resistance, and high-temperature durability — otherwise failure will be accelerated. FUCHS offers suitable high-speed bearing greases for every speed factor (n×dm value) and temperature range.

1. Ultra-High-Speed Spindles: such as machine tool spindles and textile spindles, characterized by extremely high speeds.
TURMOGREASE Highspeed L 182: speed factor up to 2.5 million, operating temperature -70 to 120 °C (140 °C short-term)
TURMOGREASE Highspeed L 252: speed factor up to 2.2 million, operating temperature -50 to 120 °C, certified by numerous bearing OEMs
TURMOGREASE LC 252: speed factor 1.8 million, with excellent water resistance
2. High-Speed Motors and General High-Speed Bearings: such as cooling fan, generator, and water pump bearings, where both speed and temperature must be considered.
RENOLIT PU PEM 2: speed factor 1.7 million, maximum operating temperature 160 °C, capable of handling high temperatures and heavy loads
THERMOPLEX 2 TML: speed factor 1.3 million, maximum operating temperature 140 °C (160 °C short-term), suitable for heavily loaded high-speed rolling bearings
THERMOPLEX 2 HPL: speed factor 1.3 million, excellent low-temperature start-up, reduces temperature rise at high speeds
TURMOGREASE N 803 B: speed factor 1.3 million, maximum operating temperature 160 °C, suitable for water pump bearings, generators, etc.
TURMOGREASE N 503 B: speed factor 1.3 million, maximum operating temperature 180 °C, up to high-temperature, high-speed conditions
SINTONO LS 16: speed factor 1.2 million, maximum operating temperature 200 °C, suitable for long-term high-temperature, high-speed scenarios such as clutches and inverter-driven air conditioner motors
II. Low-Noise Bearing Greases
Precision equipment, home appliances, automobiles, and high-end machinery demand ever quieter bearings. Noise mainly originates from contact vibration; FUCHS low-noise greases effectively suppress vibration — and thereby reduce noise — by optimizing base oil viscosity, thickener, and additives.

RENOLIT Li LNB PLUS 2: speed factor up to 2 million, operating temperature -50 to 140 °C (160 °C short-term), with outstanding low-noise performance and high-temperature durability
RENOLIT PU LNB PLUS 2: speed factor 2 million, maximum operating temperature 160 °C, likewise combining low noise and high-temperature resistance
TURMOGREASE N 803 B and N 503 B: suitable for high-speed, high-temperature conditions while also offering outstanding low-noise performance
TURMOGREASE N 2 OR 46: speed factor 600,000, operating temperature -40 to 160 °C, used in elevator traction machines and dyeing plant water pumps, with standout low-noise characteristics
THERMOPLEX PU 903: speed factor 800,000, operating temperature -54 to 160 °C, suitable for water pumps and fans — low noise with a wide temperature tolerance range
Low-Noise and Rust-Protection Synergy: rust-preventive treatment during bearing storage and transport also affects final noise levels. FUCHS ANTICORIT RPS 6202/6203 rust preventive oil offers outstanding low-noise performance and is compatible with greases — it can be used without removal, controlling noise at the source.
Small as bearings are, they determine equipment efficiency and reliability. Today, when high speed and low noise have become mainstream bearing requirements, a precisely matched bearing grease is the key to improving overall equipment efficiency and reducing operating and maintenance costs. With its unique formulations, the FUCHS LUBCON bearing grease series effectively reduces friction and wear, forming a stable lubricating film even at high temperatures and speeds — ensuring smooth operation, reducing noise, extending service life, and cutting maintenance costs.
If you need bearing lubrication selection support or would like to learn more about the FUCHS LUBCON bearing grease series, please feel free to contact us through the official website inquiry channel.
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