Description
Klübersynth FB 4-68 Clean synthetic machine tool spindle oil for high-speed bearings (ISO VG 68) | N° 012319
- Klübersynth FB 4 is a finely filtered speciality lubricant made on the basis of a PAO and shows a high degree of purity.
- Klübersynth FB 4 contributes to high tool spindle availability and reduces friction and wear in the bearings.
- Pack size: 5 l canister
- Also available in: 19 l bucket, 208 l drum
Your benefits at a glance
- Longer oil life due to good resistance to ageing and oxidation
- Reliable bearing operation across the speed range and at high speed factors
- High machine availability due to reduced maintenance requirement
- High degree of oil cleanliness
- High VI index – low influence of temperature fluctuations on viscosity
Application
- The Klübersynth FB 4 series is applied to rolling bearings in high-speed tool spindles using oil-air lubrication systems.
Application notes
- Please apply the oil directly into the lubrication system reservoir from the original package to ensure that the high purity of the oil is maintained without external contamiation.
- In the production stage, the oil shows a degree of purity of 15/13/10. During filling, the degree of purity may be affected by influences originating from the containers.
- Ensure clean filling and that reservoirs and lubrication systems are fully closed following filling.
Technical specifications
| Appearance | clear |
| Colour space | yellow |
| Service temperature, lower limit | -30 °C |
| Service temperature, upper limit | 140 °C |
| Density, DIN 51757, 20°C | approx. 0.86 g/cm³ |
| Flash point, DIN EN ISO 2592, Cleveland open cup | ≥ 250 °C |
| Purity level, ISO 4406 | 15-13-10 |
| ISO viscosity grade, DIN ISO 3448 | ISO VG 68 |
| Kinematic viscosity, 100°C | approx. 9.6 mm²/s |
| Kinematic viscosity, 40°C | approx. 68 mm²/s |
| Viscosity index, DIN ISO 2909 | ≥ 125 |
| Pour point | ≤ -36 °C |
| Speed factor (n x dm) | approx. 2500000 mm/min |
| Minimum shelf life | 36 months |
Klübersynth FB4-68, Klübersynth FB-4-68
KLÜBER LUBRICATION MÜNCHEN GMBH & CO. KG, Geisenhausenerstraße 7, 81379 München, GERMANY, +49 89 7876 0, [email protected], www.klueber.com
Marlene –
Great product, worth every cent.
Camilla U. –
Surprisingly good quality for the price. Super fast delivery, thank you. Solved my problem completely! Really noticed a difference after using it!
anton_ber –
Everything perfect and fast. Very satisfied with the purchase.
Sophie –
It completely solved my problem! Looks even nicer in person.
giulio88 –
Everything in order.
fiona_ber –
I was skeptical, but now I’ll order it regularly. Perfect for my needs; I’m very satisfied.