GGB PyroSlide high temperature powder metal cylindrical bearings

GGB PyroSlide cylindrical bearings

PyroSlide™1100 High Temperature Powder Metal Bearings

APPLICATIONS

Automotive - EGR valves, exhaust heat recovery systems (EHRS), exhaust throttle valves, exhaust brakes, turbocharger wastegate valves

Industrial - Industrial & domestic ovens and furnaces, natural gas/petrochemical valves, exhaust or smoke flaps, high temperature valves, heavy-duty engines, applications with elevated temperatures & corrosion risk, industrial processing plant applications, gas and steam turbines

Aerospace - Engine turbo fans, engine guide vanes, engine pneumatic-bleed valves

CHARACTERISTICS

  • Powder metallurgical bearing material consisting of a solid lubricant homogeneously distributed in a metallic matrix
  • Self-lubricating and maintenance-free by forming a solid lubricant film during the relative motion
  • Excellent high-temperature resistance
  • High wear resistance
  • Low-friction properties
  • Resistant to corrosive environments
  • High load capacity
  • High dimensional precision
  • No requirement to operate against high cost special counter surface materials with specific hardness requirements, a standard stainless steel counter surface is appropriate

availability

Bearing forms made to order: According to customer design/drawing. Regardless of shape size or material, we can customize your shape. High volume production is feasible.

OPERATING PERFORMANCE

Designed and intended for dry
running applications operating at
elevated temperatures

MICROSECTION

Microsection of GGB PyroSlide high temperature bearings

 

- Corrosion Resistant Metallic Matrix

- High Temperature Solid Lubricant

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static  (at 20°C/68°F)

Dynamic (at 550°C/1022°F)

Dynamic (at 750°C/1382°F)

MPa
 

MPa
 

MPa

200
 

10
 

2

Operating temperature

Min

Max

°C / °F

°C / °F

- 50 / -60

800 / 1472

Coefficient of linear thermal expansion

 

10-6/K

16 - 18

DRY      
Maximum sliding speed, U   m/s

0.1

Maximum pU factor

 

MPa x m/s

0.6

Coefficient of friction, f

 

 

0.20 - 0.45

MATING MATERIAL      
Surface roughness, Ra

 

µm

0.2 - 0.8

Surface hardness

 

HB

> 200

 
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