KLUBER Kluberquiet BQ 74-73,N 1KG

Klüberquiet BQ 74‑73 N is a premium polyurea grease based on ester and synthetic hydrocarbon oils. Designed for lifetime lubrication of high-speed rolling bearings, it delivers exceptionally quiet operation, wide temperature performance, and extended bearing service life.

Applications:

Ideal for bearings in electric motors, fans, air conditioners, generators, belt tensioners (e.g. automotive), machine-tool spindles, motor spindles, household appliances and office equipment where low noise and long service life are critical.

Advantages and benefits:

• Lifetime lubrication: suitable for vertical bearings and those with rotating outer rings.
• Low-noise performance: verified on low-noise test rigs.
• Broad temperature range: –40 °C to +160 °C with excellent low-temp torque.
• High thermal and mechanical stability: corrosion and water-resistant.

Specifications:

• Worked penetration (25 °C): 220–250 ×0.1 mm
• Base oil viscosity @40 °C / 100 °C: ~60 / ~9.5 mm²/s

Technical data:

Storage:
Store in sealed original containers in a cool, dry place. Shelf life: minimum 36 months.

Klüberquiet BQ 74‑73 N – advanced low‑noise grease for high‑speed bearings – ensuring reliability and operational comfort.