KLUBER QUIET BQ 72-72
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  • KLUBER QUIET BQ 72-72
  • KLUBER QUIET BQ 72-72
  • KLUBER QUIET BQ 72-72

KLUBER QUIET BQ 72-72

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KLUBER QUIET BQ 72-72

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Klüber Klüberquiet BQ 72-72 Low-noise rolling bearing grease | n° 094008

Klüberquiet BQ 72-72 is made up of an ester oil, a polyurea thickener and special additives. These components have been combined such that Klüberquiet BQ 72-72 offers many advantages for the lubrication of rolling bearings:

  • extremely low-noise operation shown on special test rigs, e.g. SKF BeQuiet+
  • long bearing life due to optimised wear protection and a thermally stable, synthetic grease
  • good compatibility with elastomers (data available on request)
  • wide service temperature range and good low-temperature performance


Benefits for your application:

  • Long-term operation due to optimised wear protection and smooth running
  • Wide service temperature range allows a variety of applications
  • Cost savings due to long service life of grease
  • Particularly suitable for lifetime-lubricated capped or sealed deep groove ball bearings


Application:
Klüberquiet BQ 72-72 is suitable for bearings where long service life is required in combination with especially low-noise operation. Such applications include  rolling bearings in electric motors, fans, air conditioners, generators and belt tighteners in cars, electric household appliances and office equipment. The product should therefore primarily be used for the long-term or for-life lubrication of capped or sealed bearings.
The low-noise characteristics of this rolling bearing grease have been confirmed in various tests performed on special noise test rigs. Tests according to the  SKF-BeQuiet+ method showed that Klüberquiet BQ 72-72 can be classified as noise class GN 3.
Grease service life tests were conducted on SKF-ROF and FAG-FE9 rolling bearing testers according to DIN 51 821. The results showed long service lives at  high temperatures (see product data).

Application notes:
The lubricant is applied by means of a spatula, brush, grease gun or grease cartridge. We recommend completely removing preservatives before applying the grease. Preservatives for permanent use should be checked for purity and compatibility with Klüberquiet BQ 72-72. We can recommend compatible preservatives on request.

Product data:

 Article number  0940080037
 Chemical composition, thickener  polyurea
 Chemical composition, type of oil  ester oil
 Lower service temperature  -45 °C / -49 °F
 Upper service temperature  180 °C / 356 °F
 Color space  beige
 Texture  homogeneous
 Texture  short-fibred
 Density at 20 °C  approx. 0.96 g/cm³
 Worked penetration, DIN ISO 2137, 25 °C, lower limit value  250 x 0.1 mm
 Worked penetration, DIN ISO 2137, 25 °C, upper limit value  280 x 0.1 mm
 Speed factor (n x dm)  1 000 000 mm/min
 Kinematic viscosity of the base oil, DIN 51562 pt. 01/ASTM D-445/ASTM D 7042, 40 °C  approx. 80 mm²/s
 Kinematic viscosity of the base oil, DIN 51562 pt. 01/ASTM D-445/ASTM D 7042, 100 °C  approx. 9.5 mm²/s
 Corrosion inhibiting properties of lubricating greases, DIN 51802, (SKF-EMCOR), test duration:
 1 week, distilled water		  <= 1 corrosion degree
 Drop point, DIN ISO 2176, IP 396  >= 250 °C
 Flow pressure of lubricating greases, DIN 51805, test temperature:-45 °C  <= 1 400 mbar
 Noise test run, SKF BeQuiet+, noise classes  >= GN3
 Testing of lubricating greases on FAG FE9 rolling bearing tester, DIN 51821 pt. 02, speed: 6000
 min-1, axial load: 1500 N, temperature: 180 °C, service life F50:		  >= 100 h
 SKF-ROF rolling bearing tester, axial load: 100 N, radial load: 50 N, speed: 10000 min-1,
 temperature:170 °C, service life F50:		  >= 1 000 h
 Water resistance, DIN 51807 pt. 01, 3 h/90 °C, rating  0 - 90
 Minimum shelf life from the date of manufacture - in a dry, frost-free place and in the unopened
 original container, approx.		  36 months

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