Description
Klüberquiet BQ 74-73 N is a low-noise rolling bearing grease based on polyurea, specifically designed for high-speed applications. It is formulated for ball bearings in electric motors, fans, air conditioners, spindles, and precision drives, offering long service life even in vertical mounting positions and at elevated temperatures.
- Pack size:
- Also available in:
Applications
- Spindle and motor spindle bearings in machine tools, electrical appliances, and office/home devices
- Rolling bearings in electric motors, fans, HVAC systems, belt tensioners
- Bearings with vertical shaft position or rotating outer ring
Features
- Extremely low noise – verified by SKF BeQuiet+ testing
- Long service life even at operating temperatures up to 160 °C
- Excellent low-temperature performance down to -40 °C
- Superior corrosion protection (passed EMCOR test)
- High film stability – no melting or bleeding
- Suitable for high speeds (n·dm value approx. 2 million mm/min)
Technical Data
| Manufacturer no | 940980590 |
| Service temperature range | -40 °C to +160 °C |
| Consistency (worked penetration) | 220-250 (0.1 mm) |
| Base oil viscosity (40 °C / 100 °C) | approx. 60 mm²/s / 9.5 mm²/s |
| Drop point | ≥ 250 °C |
| Corrosion protection (EMCOR, distilled water) | ≤ 1 |
| Corrosion protection (EMCOR, 5% NaCl) | ≤ 3 |
| Low-temp torque at -40 °C | Running: ≤ 100 mNm / Starting: ≤ 1000 mNm |
| ROF bearing life test (160 °C) | ≥ 1500 h |
| Speed factor (n·dm) | approx. 2,000,000 mm/min |
| Water resistance (DIN 51807-1) | ≤ 1-90 |
Hazard Information (CLP)

Signal word: Danger.
Hazard Statements (H-phrases)
- H411: Toxic to aquatic life with long lasting effects.
Precautionary Statements (P-phrases)
Prevention:
- P273: Avoid release to the environment.
Response:
- P391: Collect spillage.
Klüber Klüberquiet BQ 74-73N
KLÜBER LUBRICATION MÜNCHEN GMBH & CO. KG, Geisenhausenerstraße 7, 81379 München, GERMANY, +49 89 7876 0, [email protected], www.klueber.com






ludovica89 –
Easy to use, without making a mess.
Matthew –
Exactly what I needed. Everything was smooth and fast.
Giulio C. –
No complaints so far. Very easy to use.
Giulio –
Everything OK, recommended. Very stable.
Federico –
Very good build quality. Easy to assemble. Perfect and functional.
jannis88 –
Great service and product. Everything’s great. Perfect, nothing to say.
Emma J. –
Looks even nicer in real life.
Carla R. –
Better than anything I’ve tried before. The quality surprised me in a good way. Easy to use, no mess at all.
Matteo –
Perfect, nothing to say. Excellent-quality product. Exactly what I needed. Perfect and functional.
josephine89 –
Perfect for my needs; I’m very satisfied. Pleasant to use at home. Perfect for my needs, couldn’t be happier. Great product, worth every cent.
Ruby –
The quality pleasantly surprised me. Great product, worth every cent.
Olivia F. –
Perfect for my needs, couldn’t be happier. Better than anything I’ve tried so far. Surprisingly good quality for the price.
laura_ma –
Perfect for my needs, couldn’t be happier.
Hannah –
Better than anything else I’ve tried before. Solved my problem completely! Perfect for my needs; I’m very satisfied. A friend recommended it and I’m so glad I ordered.
charlotte.sun –
Looks even nicer in real life. Better than anything I’ve tried so far. Not too big, not too small, just right.