Schaeffler Product catalogue - medias
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Bearing housings
Features
 

FAG housings and the associated bearings form bearing units that have proven successful in machinery, plant and equipment. It is only possible, however, to show here a small selection of the numerous sizes and designs (for an overview of the FAG series housings, see publication TI WL 90-30). For other housings or housing
See Mounting dimenstions
designs, please consult Schaeffler Group Industrial.

 
   

Housing materials and
outer surfaces

 

The bearing housings are predominantly made from flake graphite
Solid lubricant with layered grid structure. Suitable for dry running or as active ingredient in oils or greases. Graphite absorbs moisture. Graphite displays its best lubrication characteristics in damp environments.
cast iron. We can supply housings made from cast steel or spheroidal graphite cast iron by agreement. Since the bearings are generally lubricated with grease
See
Lubricant
Grease cartridge
Fatty acids
and the initial grease
See
Lubricant
Grease cartridge
Fatty acids
filling lasts for a long period, most housings do not have relubrication holes. However, there are cast-on bosses or marks present so that lubrication holes can be made if necessary. If relubrication is carried out, it must be ensured that excess grease
See
Lubricant
Grease cartridge
Fatty acids
is allowed to escape.

 
 

All outer surfaces
The effective surface is the surface which separates the object from its surrounding medium.The actual surface is the approximate image from measuring technology of the ideal geometric surface. Note: various measuring processes or measuring conditions (e.g. stylus radius) can give different actual surfaces.The geometric surface is an ideal surface whose nominal form is defined by a drawing or other technical documentation. See DIN 4760 for further details.

See
Surface protection
Surface tension
of the housings and housing
See Mounting dimenstions
parts not machined by chip-forming methods have a universal paint coating
Surface technology to improve tribological behaviour, corrosion resistance, e.g. by INA Corrotect and for electrical insulation.
(colour RAL 7031, bluish grey). The coating
Surface technology to improve tribological behaviour, corrosion resistance, e.g. by INA Corrotect and for electrical insulation.
can be finished using all synthetic resin, polyurethane, acrylic, epoxy resin, chlorinated rubber, nitrocellulose and acid-hardening hammer tone finishes. The anti-corrosion protection on the inner and outer surfaces
The effective surface is the surface which separates the object from its surrounding medium.The actual surface is the approximate image from measuring technology of the ideal geometric surface. Note: various measuring processes or measuring conditions (e.g. stylus radius) can give different actual surfaces.The geometric surface is an ideal surface whose nominal form is defined by a drawing or other technical documentation. See DIN 4760 for further details.

See
Surface protection
Surface tension
machined by chip-forming methods can be easily removed.

 
   

Locating and
non-locating bearings

 

The bearing seats in the housing
See Mounting dimenstions
are generally machined such that the bearings are movable and can thus function as non-locating bearings. Locating bearing arrangements can be achieved by the insertion of locating rings if these are listed in the tables. Locating rings must be ordered separately. Housings without locating rings are supplied in a non-locating or locating bearing
Bearing capable of transmitting axial loads from both directions and radial loads
design.

 
   

Sealing

 

Bearing housings can be sealed, depending on the operating conditions, by the use of contact seals, non-contact seals
Elements intended to prevent the ingress of gaseous, fluid and solid materials through the gaps formed by adjacent components whilst stationary or moving.

See
Seal
Operating life
Friction
or combinations thereof, Figure 1 to Figure 3.

 
   

Figure 1
Examples of contact seals

Medias/00016410_mei_in_0k_0k.gif Double lip seal
Medias/00016411_mei_in_0k_0k.gif Felt seal
Medias/00016412_mei_in_0k_0k.gif Felt seal and V ring

 

imageref_68127755_All.gif

 
   

Figure 2
Examples of non-contact seals

Medias/00016410_mei_in_0k_0k.gif Radial labyrinth
Medias/00016411_mei_in_0k_0k.gif Axial labyrinth

 

imageref_68129931_All.gif

 
   

Figure 3
Example of combined seals

Taconite seal, comprising
Medias/00016410_mei_in_0k_0k.gif Labyrinth
Medias/00016411_mei_in_0k_0k.gif V ring

 

imageref_68132107_All.gif

 
   

Flanged housings F112

 

These housings are fitted with self-aligning ball bearings with an extended inner ring of series 112, Figure 4.

 
   

Figure 4
Flanged housing for self-aligning ball bearings
with extended inner ring


 

imageref_68216971_All.gif

 
 

The flanged housings have covers made from flake graphite
Solid lubricant with layered grid structure. Suitable for dry running or as active ingredient in oils or greases. Graphite absorbs moisture. Graphite displays its best lubrication characteristics in damp environments.
cast iron and felt seals. Felt seals
Elements intended to prevent the ingress of gaseous, fluid and solid materials through the gaps formed by adjacent components whilst stationary or moving.

See
Seal
Operating life
Friction
allow shaft misalignment
Deviation of an actual line from a theoretical ideal line, for example a bearing axis from the shaft axis; may be due to machining, flexing of shaft or deformation of housing.
of up to 0,5° in both directions.

 
 

All flanged housings have a threaded hole M10×1 that is closed off by a plastic plug until relubrication is to be carried out.

 
 

The housing material is flake graphite
Solid lubricant with layered grid structure. Suitable for dry running or as active ingredient in oils or greases. Graphite absorbs moisture. Graphite displays its best lubrication characteristics in damp environments.
cast iron.

 
   

Flanged housings F5

 

Flanged housings for bearings with a tapered bore and adapter
An accessory mounted on another element, for example a lubrication adapter
sleeve, Figure 5 to Figure 8.

 
   

Figure 5
Flanged housing for bearings with tapered bore and adapter
An accessory mounted on another element, for example a lubrication adapter
sleeve F505, F506, F508, design A

Medias/00016410_mei_in_0k_0k.gif Locating bearing (A, WA)
Medias/00016411_mei_in_0k_0k.gif Non-locating bearing (A, WA) 

 

imageref_68219147_All.gif

 
   

Figure 6
Flanged housing
for bearings with tapered bore and adapter
An accessory mounted on another element, for example a lubrication adapter
sleeve F507, F509 to F513, design B

Medias/00016410_mei_in_0k_0k.gif Locating bearing (B, WB)
Medias/00016411_mei_in_0k_0k.gif Non-locating bearing (B, WB)

 

imageref_68221323_All.gif

 
   

Figure 7
Flanged housing
for bearings with tapered bore and adapter
An accessory mounted on another element, for example a lubrication adapter
sleeve F515 to F522, design A

Medias/00016410_mei_in_0k_0k.gif Locating bearing (A, WA)
Medias/00016411_mei_in_0k_0k.gif Non-locating bearing (A, WA) 

 

imageref_68223499_All.gif

 
   

Figure 8
Flanged housing
for bearings with tapered bore and adapter
An accessory mounted on another element, for example a lubrication adapter
sleeve F515 to F522, design B

Medias/00016410_mei_in_0k_0k.gif Locating bearing (B, WB)
Medias/00016411_mei_in_0k_0k.gif Non-locating bearing (B, WB)

 

imageref_68225675_All.gif

 
 

These flanged housings are suitable for self-aligning ball bearings, barrel roller bearings and spherical roller bearings with a tapered bore that are located on the shaft using adapter
An accessory mounted on another element, for example a lubrication adapter
sleeves. The housings are available with one side closed off (design A) or – for continuous shafts – open on both sides (design B). Felt strips are used for sealing. Felt seals
Elements intended to prevent the ingress of gaseous, fluid and solid materials through the gaps formed by adjacent components whilst stationary or moving.

See
Seal
Operating life
Friction
allow shaft misalignment
Deviation of an actual line from a theoretical ideal line, for example a bearing axis from the shaft axis; may be due to machining, flexing of shaft or deformation of housing.
of up to 0,5° in both directions.

 
 

The housings are designed as non-locating bearing
Non-locating bearings of the longitudinal, transverse or tilting type permit displacement within the bearing requiring almost no force
housings. Locating bearing arrangements can be achieved by the insertion of locating rings. The number of rings required is indicated in the tables. Two rings are inserted on both sides of the bearing, a single ring is inserted on the side with the adapter
An accessory mounted on another element, for example a lubrication adapter
sleeve nut. Locating rings must be ordered separately.

 
 

The housing material is flake graphite
Solid lubricant with layered grid structure. Suitable for dry running or as active ingredient in oils or greases. Graphite absorbs moisture. Graphite displays its best lubrication characteristics in damp environments.
cast iron (suffix L).

 
   
  
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