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kluberspeed bf 72-23

Homepage > products > klüber > kluberspeed bf 72-23
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  • chemicals and solvents
    • KLUBERSPEED BF 72-23

    kluberspeed bf 72-23

    High-speed lubricating grease.

    Klüberspeed BF 72-23 is a high-performance special grease with a synthetic base oil and a complex urea thickener. The base oil viscosity and the viscosity-temperature characteristics of the base oil allow Klüberspeed BF 72-23 to be used for a wide range of speeds and temperatures.

    • Klüberspeed BF 72-23 is primarily recommended for spindles in milling, grinding and drilling machines and lathes running at very high speeds and high permanent temperatures. Such high speeds are frequently encountered in motor-powered spindle bearings. Klüberspeed BF 72-23 is also suitable for other high-speed bearings as are found in power tools, electric motors, etc. As this grease has a higher mechanical stability than Klüberspeed BF 72-22, it is better suitable for applications involving a vertical or inclined shaft.
    • Klüberspeed BF 72-23 can be filled into the bearings using normal grease application tools (e.g. spatula, grease gun). Application by means of central lubricating systems and metering devices is also possible. The possibility of a change in colour is inherent in this product concept. It has, however, no influence on product performance.
    • Especially for horizontal, vertical or inclined mounting positions, thus suitable for all standard machine tools. Excellent high-speed characteristics and long service life in rolling bearings with steel/steel or steel/ceramic friction pairings
    Characteristics Klüberspeed BF 72-23
    Article number 004246
    Composition, thickener polyurea
    Composition, type of oil ester oil , synthetic hydrocarbon oil
    Colour space  beige - brown
    Texture fibrous , homogeneous
    Service temperature, lower limit -50 °C
    Service temperature, upper limit  120 °C
    Density, Klüber method: PN 024, 20°C approx 0.92 g/cm³
    Worked penetration, DIN ISO 2137 / ASTM D217, 25°C, lower limit 220 0.1 mm
    Worked penetration, DIN ISO 2137 / ASTM D217, 25°C, upper limit 250 0.1 mm
    Shear viscosity, Klüber method: PN 008@DIN 53019-1, equipment: rotational viscometer, 25°C, 300 s⁻¹, lower limit 2000 mPas
    Shear viscosity, Klüber method: PN 008@DIN 53019-1, equipment: rotational viscometer, 25°C, 300 s⁻¹, upper limit 6000 mPas
    Kinematic viscosity of the base oil, DIN EN ISO 3104 / DIN 51562-1 / ASTM D445 / ASTM D7042, 100°C approx 5 mm²/s
    Kinematic viscosity of the base oil, DIN EN ISO 3104 / DIN 51562-1 / ASTM D445 / ASTM D7042, 40°C approx 22 mm²/s
    SKF-EMCOR, DIN 51802, Klüber method: distilled water, 168 h ≤ 1 corrosion degree
    Oil separation, DIN 51817 N, 168 h, 40°C ≤ 3 by weight %
    Flow pressure, DIN 51805-2, -50°C ≤ 1400 mbar
    Speed factor (n x dm)  approx 2100000 mm/min
    Spindle bearing test, Klüber method: HC7010E / 100 N / 32500 min⁻¹, service life F50 ≥ 1200 h
    Water resistance, DIN 51807-1, 3 h, 90°C  1 - 90 rating
    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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