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

Quality Slide Bearings For All Industries

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Self-Lubricated Bronze Bearings

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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 (greater than 500°F.) Any mating steel surfaces should be finished to a 63 to 125 RMS.
Bronze bearings are cast, machined and lubricated. Edges should be specified "as-cast" or machined.
For alloy C90500 Modified, the maximum design pressure is 800 psi at 600°F. For alloy C86300, the maximum design pressure is 1000 psi at 800°F. A straight line interpolation is appropriate between the 250°F design pressure and the maximum use temperature pressure.

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Item #


ASTM Specifications

Former Alloy No.

Recommended Design Pressure at 250°F (psi)

Max. Use Cont. Temperature (°F)

C91300 Hi Tin Bronze B22 Alloy C91300 A 3000 250
C91100 Hi Tin Bronze B22 Alloy C91100 B 2500 250
C39700 Hi-Leaded Tin Bronze B22 Alloy C93700 C 1000 450
C90500 Leaded Bronze B22 Alloy C90500 D 2000 600
C86300 Manganese Bronze B22 Alloy C86300 E 3500 800
C95400 Aluminum Bronze B148 Alloy C95400 9C 2500 600
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Con-Serv, Inc.
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1-800-541-1044 / Fax 843-546-1055
685 Aviation Blvd. • Georgetown, SC 29440