GGB-CBM Thin-wall cylindrical bushing produced by metallurgic powder process

GGB-CBM Cylindrical bushings

GGB-CBM® Thin Walled Bimetal Bearings made by Metallurgic Powder

CHARACTERISTICS

  • Self-lubricating and maintenance-free bearings with homogeneously distributed solid lubricant (graphite) in the sliding layer
  • High load capacity and suited to temperatures from -150°C up to 280°C
  • Different metallic backings are available: stainless steel, carbon steel or bronze
  • Lead-free alloys are available

availability

Bearing forms made to order: cylindrical bearings, flanged bearings, axial washers, sliding plates, half shells, axial and radial segment rings, spherical plain bearings, customized bearing forms
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STRUCTURE AND COMPOSITION

Thin walled powder metallurgical bimetal bearing material 

MICROSECTION

Microsection of GGB-CBM Thin Walled Bimetal Bearings made by Metallurgic Powder

Solid Lubricant:
Graphite

Metallic Matrix:
Bronze based

Backing:
Stainless Steel,
Carbon Steel or
Bronze

OPERATING PERFORMANCE
Dry Good
Oil lubricated Good
Grease lubricated Good
Water lubricated Good
Process fluid lubricated Depending on fluid

GGB-CBM® bearing material is known by various names such as CBM or GGB CBM. Buying a GGB-CBM® 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

260 - 280

80 - 150
Operating temperature

Min

Max

°C

°C

- 150

280

Coefficient of linear thermal expansion

 

 10-6/K

12 - 16
DRY      
Maximum sliding speed, U   m/s

0.3 - 0.5
Maximum pU factor

 

N/mm2 x m/s

0.5 - 1.0
Coefficient of friction f    

0.10 - 0.20
Water lubricated      
Coefficient of friction f    

0.10 - 0.15
Recommendations      
Surface roughness, Ra

 

µm

0.2 - 0.8
Surface hardness   HB

> 180 - > 250

Bearing properties and recommendations depending on GGB-CBM™ material. This information is available by downloading
the GGB-CBM™ brochure.

STRUCTURE AND COMPOSITION

Thin walled powder metallurgical bimetal bearing material 

MICROSECTION

Microsection of GGB-CBM Thin Walled Bimetal Bearings made by Metallurgic Powder

 

Solid Lubricant:
Graphite

Metallic Matrix:
Bronze based

Backing:
Stainless Steel,
Carbon Steel or
Bronze

OPERATING PERFORMANCE
Dry Good
Oil lubricated Good
Grease lubricated Good
Water lubricated Good
Process fluid lubricated Depending on fluid

GGB-CBM® bearing material is known by various names such as CBM or GGB CBM. Buying a GGB-CBM® 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

38 000 - 41 000

12 000 - 22 000
Operating temperature

Min

Max

°F

°F

- 240

540

Coefficient of linear thermal expansion

 

 10-6/F

7 - 9
DRY      
Maximum sliding speed, U   fpm

60 - 100
Maximum pU factor

 

psi x fpm

14 000 - 29 000
Coefficient of friction f    

0.10 - 0.20
WATER LUBRICATED      
Coefficient of friction f    

0.10 - 0.15
RECOMMENDATIONS      
Surface roughness, Ra

 

µin

8 - 32
Surface hardness   HB

> 180 - > 250

Bearing properties and recommendations depending on GGB-CBM™ material. This information is available by downloading
the GGB-CBM™ brochure.

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