Synthetic long-life high-temperature grease.
Klübersynth HB 74-401 is a lubricating grease containing a highquality synthetic base oil and a polyurea thickener. This combination enables long-term lubrication over a wide temperature range. The high base oil viscosity and special additives help to attain good wear protection under high loads.
Klübersynth HB 74-401 is preferably used in rolling and plain bearings exposed to high temperature, e.g. in the steel or cement industries. Applications include:
Klübersynth HB 74-401 can be applied by means of spatula, brush, grease gun or centralised lubricating systems. Ideally, all lubrication points should be cleaned and old grease be removed prior to the application of Klübersynth HB 74-401. If the friction points cannot be cleaned for technical reasons, we recommend replacing the existing grease by more frequent relubrication in the initial phase after changeover.
| Characteristics | Klübersynth HB 74-401 |
| Article number | 004282 |
| Composition, thickener | polyurea |
| Composition, type of oil | synthetic hydrocarbon oil |
| Colour space | beige |
| Texture | homogeneous , long fibrous |
| Service temperature, lower limit | -40 °C |
| Service temperature, upper limit | 200 °C |
| Density, Klüber method: PN 024, 20°C | approx. 0.85 g/cm³ |
| Worked penetration, DIN ISO 2137 / ASTM D217, 25°C, lower limit | 280 0.1 mm |
| Worked penetration, DIN ISO 2137 / ASTM D217, 25°C, upper limit | 310 0.1 mm |
| Shear viscosity, Klüber method: PN 008@DIN 53019-1, equipment: rotational viscometer, 25°C, 300 s⁻¹, lower limit | 3000 mPas |
| Shear viscosity, Klüber method: PN 008@DIN 53019-1, equipment: rotational viscometer, 25°C, 300 s⁻¹, upper limit | 5500 mPas |
| Kinematic viscosity of the base oil, DIN EN ISO 3104 / DIN 51562-1 / ASTM D445 / ASTM D7042, 100°C, lower limit | 38 mm²/s |
| Kinematic viscosity of the base oil, DIN EN ISO 3104 / DIN 51562-1 / ASTM D445 / ASTM D7042, 100°C, upper limit | 42 mm²/s |
| Kinematic viscosity of the base oil, DIN EN ISO 3104 / DIN 51562-1 / ASTM D445 / ASTM D7042, 40°C, lower limit | 380 mm²/s |
| Kinematic viscosity of the base oil, DIN EN ISO 3104 / DIN 51562-1 / ASTM D445 / ASTM D7042, 40°C, upper limit | 430 mm²/s |
| SKF-EMCOR, DIN 51802, Klüber method: distilled water, 168 h | ≤ 1 corrosion degree |
| Oil separation, DIN 51817 N, 168 h, 40°C | ≤ 5 by weight % |
| Flow pressure, DIN 51805-2, -40°C | ≤ 1400 mbar |
| Dropping point, DIN ISO 2176 / IP 396 | ≥ 230 °C |
| FAG FE9 rolling bearing test, DIN 51821-2, 1500 / 6000-180, service life F50 | ≥ 100 h |
| Speed factor (n x dm) | approx. 500000 mm/min |
| Water resistance, DIN 51807-1, 3 h, 90°C | 0 - 90 rating |
| Minimum shelf life from the date of manufacture - in a dry, frost-free place and in the unopened original container, approx. | 24 months |
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