GGB DP10 Metal polymer composite plain bearing for lubricated applications

GGB DP10 Cylindrical bushes

DP10 Metal-Polymer Anti-Friction Plain Bearings

CHARACTERISTICS

  • Good wear and low friction performance over a wide range of loads, speeds and temperatures in dry running conditions
  • Very good performance in lubricated applications particularly in marginally lubricated applications
  • Suitable for linear, oscillating and rotating movements
  • Lead-free material compliant to EVL, WEEE, and RoHS specifications

availability

Bearing forms available in standard dimensions
  • Cylindrical bushes
  • Flanged bushes
  • Sliding plates
  • Thrust washers
Bearing forms made to order: standard forms in special dimensions, half-bearings, special shapes obtained by stamping or deep drawing, bearings with locating notches, lubricant holes and machined/stamped grooves, customized bearing designs

STRUCTURE AND COMPOSITION

  • Metal-Polymer Composite Material 
  • Steel Back + Porous  Bronze Sinter +
  • PTFE + Solid Lubricant

MICROSECTION

 

Sliding layer

PTFE + Solid Lubricant

 

Porous Bronze Sinter

Steel Backing

 

OPERATING PERFORMANCE
Dry Good
Oil lubricated Good
Grease lubricated Fair
Water lubricated Not recommended
Process fluid lubricated Fair
For superior performance
Grease lubricated DP4 / DX
Water lubricated DP4-B
Process fluid lubricated DP4 / DP31

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

N/mm2

N/mm2

250

140

Operating temperature

Min

Max

°C

°C

- 200

280

Coefficient of linear thermal expansion

Parallel to the surface

10-6/K

11

Normal to the surface 10-6/K 30
Dry      
Maximum sliding speed, U   m/s

2.5

Maximum pU factor

 

N/mm2 x m/s

1.0

Coefficient of friction    

0.03 - 0.25 *

OIL LUBRICATED      
Maximum sliding speed, U   m/s

5.0

Maximum pU factor   N/mm2 x m/s

10.0

Coefficient of friction    

0.02 - 0.08

RecommEndationS      

Shaft surface roughness, Ra

Dry

Lubricated

µm

µm

0.3 - 0.5

0.05 - 0.4 *

Shaft surface hardness Unhardened acceptable, improved bearing life > 200HB  

* Depending on operating conditions 

STRUCTURE AND COMPOSITION

  • Metal-Polymer Composite Material 
  • Steel Back + Porous  Bronze Sinter +
  • PTFE + Solid Lubricant

MICROSECTION

 

Sliding layer

PTFE + Solid Lubricant

 

Porous Bronze Sinter

Steel Backing

 

OPERATING PERFORMANCE
Dry Good
Oil lubricated Good
Grease lubricated Fair
Water lubricated Not recommended
Process fluid lubricated Fair
FOR SUPERIOR PERFORMANCE
Grease lubricated DP4 / DX
Water lubricated DP4-B
Process fluid lubricated DP4 / DP31

BEARING PROPERTIES

GENERAL   Unit Value
Maximum load, p

Static

Dynamic

psi

psi

36 000

20 000

Operating temperature

Min

Max

°F

°F

- 328

536

Coefficient of linear thermal expansion

Parallel to the surface

10-6/F

6

Normal to the surface 10-6/F 17
DRY      
Maximum sliding speed, U   fpm

500

Maximum pU factor

 

psi x fpm

29 000

Coefficient of friction    

0.03 - 0.25 *

OIL LUBRICATED      
Maximum sliding speed, U   fpm

1 000

Maximum pU factor   psi x fpm

286 000

Coefficient of friction    

0.02 - 0.08

RECOMMENDATIONS      

Shaft surface roughness, Ra

Dry

Lubricated

µin

µin 

12 - 20

≤ 2 - 16 *

Shaft surface hardness Unhardened acceptable, improved bearing life > 200HB  

* Depending on operating conditions 

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