Spherical plain bearings for heavy duty applications
A large coal mill, located at Opole in Poland, is just the sort of
heavy-duty application that can make good use of large spherical plain
bearings like the ElgoGlide range from INA. Depending on the application,
these make an interesting alternative to conventional rolling element
bearings, because they are virtually maintenance-free, have a very long
service life and are capable of taking extremely high loads.
INA's plain bearings consist of a support body in hardened or
non-hardened steel, to which is bonded a composite PTFE fabric layer. The
mixed fabric, comprising PTFE, support fibre, synthetic resin adhesive
and filler material is applied in a special thermal process developed by
the company. The bearing surface is particularly well suited to
alternating loads, and will withstand pressures up to 300N/mm2 (dynamic)
or 500N/mm2 (static). It offers excellent dry sliding properties and is
also totally impervious to water. The range is available in bore sizes of
up to 320mm diameter.
* If yours is a particularly demanding linear bearing application -
perhaps the load is exceptionally high or there is a requirement for
higher accuracy and rigidity - then INA can also help with its Hydrel
flat-cage guidance systems. So long as the stroke length is limited,
flat-cage guides, with needle rollers, cylindrical roller or balls, can
deliver high accuracy, rigidity and low friction, all from a compact
package. Both V-shaped and flat configurations are available for
locating and non-locating bearing arrangements, plus products with an
integral rack-and-pinion mechanism to prevent 'cage creep' in high
acceleration applications.
Click Here for more info using our Online Enquiry Service with number
420