Con-Serv, Inc. - Quality Slide Bearings For All Industries

Quality Slide Bearings For All Industries

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High Temperature Expansion Bearings


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Product - Self-Lubricated Bronze Bearings

Self-Lubricated Bronze Bearings

(6)
CON-SERV offers a variety of alloys which are approved for nuclear, structural, industrial and bridge applications.
These bronzes are lubricated to approximately 25% of the bearing surface. The standard lubricant takes temperatures to 250°F.
Lube 1 has a temperature range from 200°F to 500°F. Lube 2 has a temperature range from 500°F to 800°F. For nuclear applications (normal containment, atmosphere including borated water spray, and radiation below 2.2 x 106 rads.). Use Lube AE for all temperatures to 800°F. Slots and holes if required shall be fabricated in the bearing manufacturer's plant.
Designers use 0.15 as a practical figure and increase this for high temperature applications ...
Table - Meehanite Bearings

Meehanite® Bearings


Generally used for temperatures from 500°F to 1000°F
This material is a form of gray cast iron which is produced utilizing flake graphite. For Meehanite sliding against a ground steel plate (63 to 125 RMS) a design friction factor of 15% is appropriate.
Grade Type CA50 (50000 Tensile Strength) is usually specified for bearing applications.
Product - Graphite Cradles & Graphite Steel Backed Slide Plates

Graphite Cradles & Graphite Steel Backed Slide Plates

(6)
Wear is negligible when sliding against itself. Graphite may be purchased bonded to steel back-up plates or structural shapes as the job may require. Bonding epoxy is available.The maximum temperature limit on the epoxy is 300°F. Hi-temperature applications require mechanical attachment of the graphite.
Unbonded flats are typically 1/2" thick. Bonded 1/4" graphite to 1/4" steel is specified as 25CG 25CS 50L.Typically the steel plate is 1" larger in both width and length than the graphite for field welding.
Product Image - Insulated Hi-temperature, Lo-Friction Assemblies

Insulated Hi-temperature, Lo-Friction Assemblies

(3)
This bearing system enables the designer to enjoy the low friction of PTFE at a bearing point temperature above the use limit (500°F) of PTFE.
These bearings provide a coefficient of friction less than 3% at a design pressure of 2500 psi (max.) with little variation at lesser pressures.

The bearings can be installed with a stitch weld 1/2 inch long 3 inch on center on all sides. The upper and lower units must be backed up with structural plates so that a uniform load is transmitted into the unit. Bending of the units is unacceptable.

  

Con-Serv, Inc.
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1-800-541-1044 / Fax 843-546-1055
685 Aviation Blvd. • Georgetown, SC 29440