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
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
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
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
