Franke Bearings
Bearing Elements
Bearing elements are Franke’s product par excellence; the simplicity and versatility of this solution allow customers to achieve results which would be difficult with competitor products.
The system is composed of four race rings with ground raceways and a ball cage with retained balls, and is available in two types (LEL and LER) which differ in the cross-sectional geometry.
Since early 2019 the bearing elements product has also been offered in type LEW with crosswise arranged rollers offering high levels of rigidity and excellent sliding even in the presence of significant tilting loads.
Slim Bearings
The Franke slim bearing is the most recent member of the range. The product’s extremely compact dimensions make it irreplaceable in many applications.
The slim bearing type is composed of two steel race rings and a ball cage. The most recent version (LSA) is offered in three cross-sections down to 4mm.
A low-cost, easy to use solution which is interchangeable with traditional slim cross-section bearings.
Bearing Assemblies
Franke’s bearing assembly is the ready-to-use solution, complete with flange with fastening hole; it differs from traditional slewing rings in terms of weight, dimensions, precision and speed.
Franke uses the same technology described in the bearing elements section to produce these bearing assemblies.
You will therefore find the same characteristics as the bearing elements incorporated in a structure offered in steel (LVA), aluminium (LVB), for high speeds (LVC), in steel with teeth (LVD) and in aluminium with teeth for belts (LVE). Many diameters are also available from warehouse stock.
Bearing with Direct Drive
The most exciting new product this year is the standard range of bearings assembled with integrated Direct Drive torque motor; this new product, known as the Franke LTD bearing with torque motor, is available in four sizes from 100 to 385mm diameter, in steel or aluminium.
LTD is a product which incorporates all components required to automate a rotary movement in a simple manner: a bearing able to support high loads, an integrated brushless motor and measurement system. All in a single unit, without having to couple to motors and drive systems which increase friction and reduce performance. All-in-one. Precise, quiet, clean, simple to use, lightweight and with a large free centre space.
1 – Insertion of the Franke bearing elements product summarised in this video
2 – The principle of the Franke bearing with an overview of the various materials which can be used in system construction
3 – The innovative Franke bearings with integrated torque motor summarised in this video
4 – Bearing with reticular aluminium structure manufactured with 3D printing technology
5 – Double ball race bearing with carbon-fibre structure used in the aerospace sector
6 – It is possible to implement the external design of the material required with integrated bearing elements and torque motor
7 – 3D printing reduces the weight by 90% compared to an equivalent steel bearing
8 – The compact LER 1.5 bearing is ideal for rotary movements in machine exoskeletons
9 – The bearing with torque motor allows CAT machines to reach a speed of 20 m/sec.
10 – The bearings integrated in the rotating tables support both radial and axial loads thanks to the four points of contact
11 – The bearing elements with preload are inserted in different parts of machine tools, such as the tool change
12 – The LER 1.5 bearing inserted in robots ensures rigid and precise rotation in minimal space
13 – The rigidity and precision of Franke systems makes them ideal for rotation of radar and antennas
14 – Using materials such as aluminium and carbon fibre allows lightweight rotation systems to be created for helicopters
15 – The system with preload and its sensitivity in small movements make the use of this bearing ideal for radar rotation
16 – The stainless-steel bearings with preload guarantee excellent rigidity in capping systems for the beverage sector
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