Product category:
Bearings, lubrication, oil and filters
News Release from: Schaeffler (UK) | Subject: X-life
Edited by the Processingtalk Editorial
Team on 27 July 2007
New X-life single row tapered roller
bearings
Improvements in the geometry, surfaces and materials, of the new Schaeffler X-life single row tapered roller bearings enable more compact pump and transmission designs, are quieter, with a longer life
The new Schaeffler X-life single row tapered roller bearings are quieter, operate at lower temperatures and offer up to 70% longer rating life Ideal for lifting gear, conveying systems, hydraulic pumps, vehicle transmission systems, static gearboxes and wheel bearing arrangements, the new Schaeffler premium grade, X-life single row FAG T7FC tapered roller bearings offer a higher performing bearing with unchanged dimensions
This article was originally published on Processingtalk on 3 Aug 2007 at 8.00am (UK)
Related stories
New X-life axial spherical roller bearings
Ideal for harsh operating environments, including construction machinery, rolling mills and lifting gear, the new premium grade X-life axial spherical roller bearings offer more than double the life
X-life - the world class double act from INA FAG
Combining their innovative bearing capabilities, INA FAG has created a unique dimension in bearing quality, X-life: this new premium quality standard represents significant improvements in performance
The basic dynamic load rating of the bearings have been increased by up to 20%, and the basic rating life by up to 70%.
For some applications, where loads are unchanged, customers can use smaller and therefore more cost-effective bearing sizes.
Customers will now be able to design more compact transmissions or pumps, with extremely reliable bearings.
Further reading
Precision bearings keep hydraulic systems running
Hydraulic drives and pumps require precision bearings and seals that are reliable, efficient and able to withstand the most demanding operating conditions, says Dr Steve Lacey of Schaeffler UK
Hand-held condition monitoring system improved
The latest Schaeffler handheld vibration monitoring and balancing device, FAG Detector III, makes condition monitoring easier and more accessible for engineers of all skill levels
The new X-life T7FC single row tapered roller bearings use through-hardened premium material (rather than case hardened), which gives higher resistance to solid particles.
In addition, Schaeffler has modified the logarithmic profile of the raceways and the outside surface of the rollers, which compensates for stress peaks under high loads and any possible misalignment.
Due to the optimised surfaces, an elasto-hydrodynamic lubricant film builds up even at very low speeds.
This enables higher loads on the bearing immediately after start up.
In addition, significantly reduced dimensional and running tolerances ensure optimum load distribution.
Therefore, stress peaks are avoided and material loading is reduced.
Higher dimensional and running accuracies, in combination with improved surface topography, reduce friction and heat to a considerable degree.
The improved contact geometry of the inner ring ribs and roller end faces also reduce friction, resulting in less strain on the lubricant inside the bearing.
This means maintenance intervals can be extended.
The bearings run significantly quieter than conventional bearings.
Schaeffler X-life single row tapered roller bearings offer high radial and axial load carrying capacity, high rigidity and ease of fitting.
The bearings comprise solid inner and outer rings with tapered raceways and tapered rollers, with cages made from pressed sheet steel.
The inner ring, together with the cage and rollers, can be fitted separately from the outer ring.
Bore diameters for the X-life bearings are between 45mm and 95mm and the bearings can be used at operating temperatures between - 30C up to 120C. Request a free brochure from Schaeffler (UK) ...
• Schaeffler (UK): contact details and other news
• Email this article to a colleague
• Register for the free Processingtalk email newsletter
• Processingtalk Home Page
