GGB DX Cylindrical bushes

DX® Metal-Polymer Plain Bearings Grease Lubricated

CHARACTERISTICS

  • DX marginally lubricated bushings for grease or oil lubricated applications
  • Standard parts contain grease indents in the sliding layer; plain sliding layer available by request
  • Optimum performance under relatively high loads and low speeds
  • Suitable for linear, oscillating and rotating movements
  • Wide range of parts available from stock

availability

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

STRUCTURE AND COMPOSITION

  • Metal-Polymer Composite Bushing Material 
  • Steel Back + Porous Bronze Sinter +
    POM with Lubrication Indents

MICROSECTION

 

Sliding layer POM
with or without
lubricant indents
for machining
 

Porous Bronze
Sinter

Steel Back

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

GAR-MAX / HSG / GAR-FIL / MLG

Water lubricated

HPM / HPF / DP4-B

Process fluid lubricated

DP4 / HI-EX /
GAR-FIL

DX® bearing material is known by various names such as DX or DXR. Buying a DX® 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

- 40

130

Coefficient of linear thermal expansion

Parallel to the surface

10-6/K

11

Normal to the surface 10-6/K 29
GREASE Lubricated      
Maximum sliding speed, U   m/s

2.5

Maximum pU factor

 

N/mm2 x m/s

2.8

Coefficient of friction

 

 

0.06 – 0.12

Recommendations      
Shaft surface roughness, Ra

 

µm

≤ 0.4

Shaft surface hardness

Normal

For longer service life

HB

HB

> 200

> 350

 

STRUCTURE AND COMPOSITION

  • Metal-Polymer Composite Bushing Material 
  • Steel Back + Porous Bronze Sinter +
    POM with Lubrication Indents

MICROSECTION

 

Sliding layer POM
with or without
lubricant indents
for machining
 

Porous Bronze
Sinter

Steel Back

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

GAR-MAX / HSG / GAR-FIL / MLG

Water lubricated

HPM / HPF / DP4-B

Process fluid lubricated

DP4 / HI-EX /
GAR-FIL

DX® bearing material is known by various names such as DX or DXR. Buying a DX® 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

- 40

210

Coefficient of linear thermal expansion

Parallel to the surface

10-6/F

6

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

500

Maximum pU factor

 

psi x fpm

80 000

Coefficient of friction

 

 

0.06 – 0.12

RECOMMENDATIONS      
Shaft surface roughness, Ra

 

µin

≤ 16

Shaft surface hardness

Normal

For longer service life

HB

HB

> 200

> 350

 
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