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

STRUCTURE AND COMPOSITION

Thin walled powder metallurgical bimetal bearing material 

MICROSECTION

 

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

 

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.

Part Finder

Part Finder

Search Now
GGB Webstore

GGB Webstore

Buy Now