GGB GAR-MAX Cylindrical bushes

GAR-MAX® Self-Lubricating Fiberglass Reinforced Plain Bearings

CHARACTERISTICS

  • High load capacity
  • Excellent shock and misalignment resistance
  • Excellent contamination resistance
  • Very good friction and wear properties
  • Good chemical resistance
  • Very good dry wear performance
  • GAR-MAX® bearing sizes available according to DIN ISO 4379 for the replacement of traditional greased bronze bearings

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

Fiber and Epoxy Resin Composite Bushing Material 

Continuous wound PTFE and high-strength fibers encapsulated in an internally lubricated, high temperature filled epoxy resin sliding layer + continuous wound fiberglass encapsulated in a high temperature epoxy resin

MICROSECTION

 

 

Sliding layer

 

 

Backing

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

GAR-FIL

Grease lubricated

DX / DX10

Water lubricated

HPF / HPM

Process fluid lubricated

GAR-FIL

GAR-MAX® bearing material is known by various names such as garmax, garmmax or gar max. Buying a GAR-MAX® 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

210

140

Operating temperature

Min

Max

°C

°C

- 195

160

Dry      
Maximum sliding speed, U   m/s

0.13

Maximum pU factor

 

N/mm2 x m/s

1.05

Coefficient of friction    

0.05 - 0.30 *

Recommendations      
Shaft surface roughness, Ra

 

µm

0.15 - 0.40

Shaft surface hardness

Normal

For longer service life

HB

HB

> 350

> 480

* Depending on operating conditions

STRUCTURE AND COMPOSITION

Fiber and Epoxy Resin Composite Bushing Material 

Continuous wound PTFE and high-strength fibers encapsulated in an internally lubricated, high temperature filled epoxy resin sliding layer + continuous wound fiberglass encapsulated in a high temperature epoxy resin

MICROSECTION

 

 

Sliding layer

 

 

Backing

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

GAR-FIL

Grease lubricated

DX / DX10

Water lubricated

HPF / HPM

Process fluid lubricated

GAR-FIL

GAR-MAX® bearing material is known by various names such as garmax, garmmax or gar max. Buying a GAR-MAX® 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

30 000

20 000

Operating temperature

Min

Max

°F

°F

- 320

320

dry      
Maximum sliding speed, U   fpm 25
Maximum pU factor 

 

psi x fpm

30 000

Coefficient of friction     0.05 - 0.30 *
RECOMMENDATIONS      
Surface roughness, Ra

 

µin

6 - 16

Surface hardness Normal HB

> 350

For longer service life HB

> 480

* Depending on operating conditions 

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