GGB GAR-FIL Cylindrical Bearings

GAR-FIL® Fiber Reinforced Composite Bearing with PTFE Tape Liner

CHARACTERISTICS

  • Proprietary filled PTFE tape liner
  • High load capacity
  • Good chemical resistance
  • Machinable bearing surface
  • High rotational speed capacity
  • Very good friction and wear properties
  • Excellent contamination resistance

availability

Bearing forms available in standard dimensions
  • Plain cylindrical bushes
Bearing forms made to order: cylindrical bushes with non-standard lengths and wall thickness, flanged bearings, hexagonal and square bores, liner on outer diameter, customized bearing designs

STRUCTURE AND COMPOSITION

Tape, Fiber and Epoxy Resin Composite Material

 

Proprietary filled PTFE tape  liner
with 0.38 mm standard thickness
(0.76 mm available on request for machining) + continuous wound fiberglass encapsulated in a high temperature epoxy resin

 
 

MICROSECTION

 

 

Sliding layer

 

 

Backing

 

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

DX / DX10

Water lubricated

HPF / HPM

GAR-FIL® bearing material is known by various names such as gar fil or garfil. Buying a GAR-FIL® bearing from GGB or its authorized distributors guarantees that you do not receive a counterfeit product.  

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

N/mm2

N/mm2

140

140

Operating temperature

Min

Max

°C

°C

- 195

205

Dry      
Maximum sliding speed, U   m/s

2.5

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

Tape, Fiber and Epoxy Resin Composite Material

 

Proprietary filled PTFE tape  liner
with 0.38 mm standard thickness
(0.76 mm available on request for machining) + continuous wound fiberglass encapsulated in a high temperature epoxy resin

MICROSECTION

 

 

Sliding layer

 

 

Backing

 

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

DX / DX10

Water lubricated

HPF / HPM

GAR-FIL® bearing material is known by various names such as gar fil or garfil. Buying a GAR-FIL® bearing from GGB or its authorized distributors guarantees that you do not receive a counterfeit product.  

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

psi

psi

20 000

20 000

Operating temperature

Min

Max

°F

°F

- 320

400

DRY      
Maximum sliding speed, U   fpm 500
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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