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: 370 g cartridge
- Also available in: 1 kg can, 25 kg pail
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
evan_s –
Simple and convenient.
lena_sky –
Not too big, not too small, just perfect.
Isabella G. –
I noticed a difference after a short time! Easy to use, without making a mess. Been using it for 2 weeks and already see results! Perfect for my needs; I’m very satisfied.
Lucia –
Excellent product, worth every cent.
Giacomo –
Exactly what I was looking for. 100% recommended. Well-made product.