GGB Multilube thermoplastic plain bearings for dry working conditions

GGB Multilube Cylindrical bushes

Multilube Thermoplastic Plain Bearings

CHARACTERISTICS

  • Good bearing performance in dry working conditions.
  • Good bearing performance in lubricated or marginally lubricated applications
  • Corrosion resistant in humid/saline environments
  • Good price performance ratio
  • Very good weight performance ratio
  • Within injection moulding tool feasibility unlimited dimensions and design features

availability

Bearing forms made to order: cylindrical bushings, flanged bearings, thrust washers, sliding plates, half-bearings, customized bearing designs

STRUCTURE AND COMPOSITION

Thermoplastic Compound Material

MICROSECTION

Microsection of GGB Multilube Thermoplastic plain bearings

 

POM+

Solid Lubricant+

Fillers

 

 

OPERATING PERFORMANCE
Dry Good
Oil lubricated Good
Grease lubricated Good
Water lubricated Fair
Process fluid lubricated Fair
For superior performance
Water lubricated EP22
Process fluid lubricated EP22

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

N/mm2

N/mm2

60

30

Operating temperature

Min

Max

Momentary

°C

°C

°C

- 40

80

120

Coefficient of linear thermal expansion   10-6/K  101
Dry      
Maximum sliding speed, U   m/s 1.5
Maximum pU factor

 

N/mm2 x m/s

0.6

Coefficient of friction     0.1 - 0.2
Recommendations      
Surface roughness, Ra

 

µm

0.2 - 0.8

Surface hardness

Normal 

For longer service life

HB

HB

> 200

> 350

STRUCTURE AND COMPOSITION

Thermoplastic Compound Material

MICROSECTION

Microsection of GGB Multilube Thermoplastic plain bearings

 

POM+

Solid Lubricant+

Fillers

 

 

OPERATING PERFORMANCE
Dry Good
Oil lubricated Good
Grease lubricated Good
Water lubricated Fair
Process fluid lubricated Fair
FOR SUPERIOR PERFORMANCE
Water lubricated EP22
Process fluid lubricated EP22

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

psi

psi

9 000

4 500

Operating temperature

Min

Max

°F

°F

- 40

180

  Momentary °F 250
Coefficient of linear thermal expansion   10-6/F 56
GREASED      
Maximum sliding speed, U   fpm 300
Maximum pU factor 

 

psi x fpm

17 000

Coefficient of friction     0.1 - 0.2
RECOMMENDATIONS      
Surface roughness, Ra

 

µin

8 - 32

Surface hardness Normal HB

> 200

For longer service life HB > 350
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