GGB-MEGALIFE XT thrust bearing is a filament wound thrust washer

GGB-MEGALIFE XT Thrust washers

GGB-MEGALIFE™ XT Fiber Reinforced Composite PTFE Thrust Washer

CHARACTERISTICS

  • Proprietary filled PTFE tape liner on both surfaces
  • Excellent shock resistance
  • High load capacity
  • Excellent misalignment resistance
  • Excellent contamination resistance
  • Good surface speed capability
  • Very good friction and wear properties
  • Good chemical resistance

availability

Bearing forms available in standard dimensions
  • Plain thrust washers
Bearing forms made to order: thrust washers with non-standard dimensions
CAD Drawings
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STRUCTURE AND COMPOSITION

Composite Thrust Washer

Proprietary filled PTFE tape liner on both
sides + continuously woven layer of filament
glass fiber encapsulated in a high temperature
epoxy resin

MICROSECTION

Microsection of GGB-MEGALIFE-XT Fiber Reinforced Composite thrust bearing and thrust washer

 

Sliding layer

 

 

 

Core

 

OPERATING PERFORMANCE
Dry Very Good
Oil lubricated Fair
Grease lubricated Poor
Water lubricated Very Good
Process fluid lubricated Fair
For superior performance
Oil lubricated

HPF
Grease lubricated

DX
Process fluid lubricated

HPF

Nothing changes except the name of the GGB bearing material: to better fight against counterfeiting, GGB has changed MEGALIFE XT (also known as Megalife) into GGB-MEGALIFE™ XT.

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

N/mm2

N/mm2

140

140
Operating temperature

Min

Max

°C

°C

- 195

175
Dry      
Maximum sliding speed, U   m/s

0.5
Maximum pU factor

 

N/mm2 x m/s

1.23
Coefficient of friction    

0.02 - 0.12 *
Recommendations      
Shaft surface roughness, Ra

 

 µm

≤ 0.4
Shaft surface hardness

 

HB

> 200

* Depending on operating conditions

STRUCTURE AND COMPOSITION

Composite Material 

Proprietary filled PTFE tape liner on both
sides + continuously woven layer of filament
glass fiber encapsulated in a high temperature
epoxy resin

MICROSECTION

Microsection of GGB-MEGALIFE-XT Fiber Reinforced Composite thrust bearing and thrust washer

 

 

Sliding layer

 

 

 

Core

 

OPERATING PERFORMANCE
Dry Very Good
Oil lubricated Fair
Grease lubricated Poor
Water lubricated Very Good
Process fluid lubricated Fair
FOR SUPERIOR PERFORMANCE
Oil lubricated

HPF
Grease lubricated

DX
Process fluid lubricated

HPF

Nothing changes except the name of the GGB bearing material: to better fight against counterfeiting, GGB has changed MEGALIFE XT (also known as Megalife) into GGB-MEGALIFE™ XT.

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

psi

psi

20 000

20 000
Operating temperature

Min

Max

°F

°F

- 320

350
DRY      
Maximum sliding speed, U   fpm

100
Maximum pU factor

 

psi x fpm

35 000
Coefficient of friction    

0.02 - 0.12 *
RECOMMENDATIONS      
Shaft surface roughness, Ra

 

µin

≤ 16
Shaft surface hardness

 

HB

> 200

* Depending on operating conditions 

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