Franke slim bearings

compact &tailor made

Why slim bearings from Franke?

Compact design, small mounting space
Open wire races made of steel with 2 contact points each to the balls (4-point-bearing)
Plastic cage with retained balls for quick and easy mounting esp. in serial production
Optional: Elastomer sleeves (Type LSC) for sealing as well as noise and vibration damping

Wind turbine (small)
Medical centrifuges
Medical ceiling lights

High Performance at minimal mounting space

Bearing elements require only a minimal mounting space and are integrated directly into the design of the rotor. The material of the mating structure therefore does not depend on the bearing and can be chosen freely. High load bearing capacity in all directions.

Minimal mountng space
4-point-contact
Medium loads
Insensitive to deformations

High Performance and cost efficient

LSA5 280 in special version free of preload and equipped with nickel-plated race rings, non-corrosive balls. Rotational resistance <0.3 Nm for a blood sample centrifuge.

Minimal mountng space
Medium loads
4-point-contact
Best cost/performance ratio

High Load Capacity and smallest mounting space

The direct integration of the race rings into the housing parts saves space and costs. The bearing is set free of preload and can be moved by hand with a defined resistance. The movement is smooth and uniform. The high torque forces are safely absorbed by the four-point bearing in every travel position.

High load capacity and precision
Smooth and sient running
4-point-contact
Light and smooth rotation

LSA

Bearing Type:

2 Race rings with profiled raceways
Plastic cage with retained balls

Characteristics:

Simple, compact integration, LSA, wide Ø range
Cost-effective alternative to standard slim bearings
Not preloaded bearings

Diameter range:

from 3″ to 30″

LSB

Bearing type

4 race rings with ground raceways
Plastic cage with retained balls
Inner and outer bearing sleeve made of metal

Characteristics

Simple, compact integration
Cost-effective alternative to standard slim bearings
Not preloaded bearings

Diameter range

from 4,75″ to 25″

LSC

Bearing type

2 Race rings with profiled raceways
Plastic cage with retained balls
Inner and outer sleeve made of elastomer (NBR)

Characteristics

Simple, compact integration, LSA, wide Ø range
Cost-effective alternative to standard slim bearings
Elastomer sleeve for sealing, tolerance compensation and vibration elimination of the bearing

Diameter range

from 5,5″ to 30″

A Question of Principle...

Franke Slim Bearings are the logical development of the wire race bearing technology. Due to the special profile of the raceways with two contact points on each of the rolling elements, the 4-point-contact principle is maintained.

The races are open and for serial request available in any desired diameter within 3“ and 30“. Installation and adjustment are just as easy as with conventional slim bearings with a large gain in load capacity.

Values shown for slim bearings LSA and LSC with KKØ 300mm:

Type LSA/LSC	4	6	8	other brands
Cr [kN]	8	8	11	7
Ca [kN]	9	9	13	19
Cor [kN]	36	49	55	26
Coa [kN]	76	105	117	75

Noise level at different rounds per minute:

Franke slim bearings are distinguished bytheir compact design. The LSA 4 is satisfied already with an installation space of 4 x 7 mm. Below please find the different sizes in comparison: