Lubtect® An application-oriented alternative to grease lubrication of bearings

27. Aug , 2010


Lubtect® is suitable for applications with swivel motion, low to moderate speeds, high loads and low temperatures. Lubtect® bearings have the same basic load ratings as bearings with standard greasing and run maintenance-free. Due to the permanently uniform distribution of the compound, Lubtect® is also highly suitable where bearings undergo external accelerations or multi-row rolling bearings are fitted in a vertical arrangement. The space-filling characteristic of Lubtect® forms an additional barrier to contamination of the rolling contact. In addition, the associated contact with the individual bearing components slightly increases the frictional torque. In order to ensure the bearing kinematics, a minimum radial load is therefore recommended. A further advantage is the stronger retention of the lubricant within the bearing. This reduces the risk of lubricant escaping the bearing. Depending on the application, bearings can be designed with or without additional seals.

Technical data

■ Operating temperature range

at outer ring:

–40 °C to +80 °C

■ Upper continuous limit temperature:

+60 °C

■ Maximum speed parameter:

Ball bearings: n · dM = 120 000

Roller bearings:n · dM = 50 000

■ Required minimum radial load:

the recommended value is [1] 1%

of the dynamic load carrying capacity

■ Operating life:

Running time tests with ball bearings 6206 and comparable market products from other anufacturers demonstrate that  Lubtect® is particularly effective and is designed for a long operating life in the bearing

Applications

Lubtect® is suitable for ball, needle roller, spherical roller, tapered roller and cylindrical roller bearings. Bearings with this lubricant compound are used where conventional oil and grease lubrication are not advisable for technical reasons. Application examples Typical applications are described below in which these requirements may occur. Textile machine construction The heald frame bearing in a mechanical loom is a full complement ball bearing and therefore has particularly high load carrying capacity. Freedom from maintenance is particularly important in the heald control. The bearings filled with Lubtect® are mounted in very difficult to access areas

and undergo high external accelerations

Paper production

At various locations in the pulp processing area, bearings filled with Lubtect® give protection against the ingress of fibres. In applications with a vertical bearing arrangement, the compound ensures that the lubricant is permanently retained in the bearing. This safeguards against the risk of lubricant starvation or overgreasing. Kingpin bearing arrangements in commercial vehicles

Kingpin bearing arrangements perform  only small swivel motions. The bearing serves to support the radial and axial forces acting on steered commercial vehicle axles. As a result, the axial bearing gives a defined frictional torque that has a direct and positive influence on the steering behaviour and assists in damping of the steering. The uniform distribution of the compound ensures favourable lubrication conditions. The bearing arrangement for radial load is not encapsulated. It is effectively protected against contamination and dust by the compound. Other application examples

■ Conveying equipment construction (track rollers)

■ Woodworking

■ Agricultural equipment construction

■ Automotive industry (steering)

■ Motorcycle construction (swing bearing arrangement).

Suffixes, available designs

When ordering, the suffix LT must be added to the selected standard bearing, for example 6002-C-2HRS-LT.


Publisher: Schaeffler Technologies GmbH & Co. KG


our company  are Shandong Obetter Bearing Co., Ltd,  as a leading global supplier in the areas of bearings, mechatronics, services.specicalized in ball bearing and roller bearing. we can produce non-standard bearing and machine parts as our customers request. 

Our Trademark: OBT
Company Name: Shandong Obetter Bearing Co., Ltd
WebSite: www.obtbearing.com  
E-mail: obtbearing@163.com   obtbearing@msn.com