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Product information
ISOFLEX® TOPAS NB 52 ISOFLEX® TOPAS NB 152
Synthetic rolling and plain bearing greases
Benefits for your application
Description
ISOFLEX TOPAS NB 52 is a rolling and plain bearing grease for a wide service temperature range. It consists of synthetic hydrocarbon oil and barium complex soap. The grease is resistant to water, ambient media, oxidation and aging, and it protects reliably against corrosion.
ISOFLEX TOPAS NB 152 is an extreme-pressure grease for high speeds and/or temperatures. It is based on synthetic hydrocarbon oil and barium complex soap. The grease is resistant to water and ambient media, and it protects reliably against corrosion.
Application
ISOFLEX TOPAS NB 52 For rolling and plain bearings subject to high speeds and loads, also for low temperatures.
ISOFLEX TOPAS NB 52 is also suitable for the lubrication of tooth flanks in precision gears
(e.g. bevel gears in milling machines, electromechanical actuators for valves).
The grease can also be used for electric contacts and components. Properly applied, ISOFLEX TOPAS NB 52 reduces electrical resistance in the lubrication point (e.g. electroconductive flexible roller bearings, interrupter tubes).
In addition, the product is resistant to many plastics*.
ISOFLEX TOPAS NB 152 For rolling and plain bearings, for example wheel bearings in racing cars, fan bearings, pump bearings. The grease is also suitable for plastic/plastic or steel/plastic friction points*.
Application notes
The greases are applied by spatula, brush, grease gun or cartridge.
* Due to the many different elastomer and plastic compositions their compatibility has to be checked prior to series applications.
Minimum shelf life
The minimum shelf life is approx. 36 months if the product is stored in its unopened original container in a dry, frost-free place.
Pack sizes
400 g cartridge 1 kg can 25 kg bucket
Material Safety Data Sheets
Material safety data sheets can be downloaded or requested via our website www.klueber.com. You may also obtain them through your contact person at Klüber Lubrication.
ISOFLEX TOPAS NB 52, 152, Art. No.: 004131, 004145, en Edition 08.07, replaces edition 01.07 GATE-B/SP
Product information
ISOFLEX® TOPAS NB 52 ISOFLEX® TOPAS NB 152
Synthetic rolling and plain bearing greases
| Product data | ISOFLEX TOPAS NB 52 | ISOFLEX TOPAS NB 152 |
|---|---|---|
| Color | beige | light beige |
| Texture | homogeneous, short-fibred | homogeneous, short-fibred |
| Density at 20°C, [g/cm3], approx. | 0.96 | 0.96 |
| Lower service temperature*, [°C], approx. | -50 | -40 |
| Upper service temperature* for rolling bearings acc. to DIN 51825, [°C], approx. | +120 | +140 |
| Upper service temperature * for other applications, [°C], approx. | +120 | +150 |
| Drop point, DIN ISO 2176, [°C] | > 240 | > 240 |
| Worked penetration, DIN ISO 2137 (ASTM D 217), [0.1 mm] | 265 - 295 | 265 - 295 |
| Corrosion protection (Emcor test), DIN 51 802, 1 week, distilled water, rating | 0 | 0 |
| Base oil viscosity, DIN 51 562 , pt. 01 at 40°C, [mm²/s], approx. at 100°C, [mm²/s], approx. | 30 5.9 | 100 14.5 |
| Speed factor** (n x dm), [mm x min-1], approx. | 1,000,000 | 600,000 |
| Apparent dynamic viscosity at 25°C, shear rate 300 s-1, device: rotational viscometer, [mPas] | 4,000 – 5,500 | 5,500 – 8,500 |
| Copper corrosion, DIN 51 811, (lubricating grease), 24 h, corrosion rating | 1-100 | 1-120 |
| Oil separation, FTMS 791 C 321.3 (ASTM D 6184), after 30h/100°C, [% by wt] | ≤ 3 | ≤ 2 |
| Oxidation stability of lubricating greases, DIN 51 808, 100h/99°C, pressure drop [bar] | < 0.3 | < 0.1 |
| Water resistance, DIN 51807 pt. 01, 3h/90°C, rating | ≤ 1-90 | 0-90 |
* Service temperatures are guide values which depend on the lubricant's composition, the intended use and the application method. Lubricants change their consistency, apparent dynamic viscosity or viscosity depending on the mechano-dynamical loads, time, pressure and temperature. These changes in product characteristics may affect the function of a component.
** Speed factors are guide values which depend on the type and size of the rolling bearing type and the local operating conditions, which is why they have to be confirmed in tests carried out by the user in each individual case.
Lubrication is our world
With more than 2000 products available around the world, you can be sure that Klüber has the right product for your application. Please contact Klüber Lubrication specialists worldwide to assist you in all matters regarding lubrication.
www.klueber.com
The data in this product information is based on our general experience and knowledge at the time of printing and is intended to give information of possible applications to a reader with technical experience. It constitutes neither an assurance of product properties nor does it release the user from the obligation of performing preliminary tests with the selected product. We recommend contacting our Technical Consulting Staff to discuss your specific application. If required and possible we will be pleased to provide a sample for testing. Klüber products are continually improved. Therefore, Klüber Lubrication reserves the right to change all the technical data in this product information at any time without notice.
Klüber Lubrication, a company of the Freudenberg Group
