Skip to main content
Image

GGB-BP25

METAFRAM Oil Impregnated Sintered Bronze Bearings
GGB-BP25 sintered bronze cylindrical bearings for maintenance-free operations
GGB-BP25 Maintenance-free sintered bronze flanged bushes
GGB-BP25 Metafram Spherical bearing
GGB-BP25 Maintenance-free sintered bronze thrust washer
GGB-BP25 sintered bronze special bearings for maintenance-free operations

Characteristics

  • Similar to SINT A 50, impregnation group 1
  • Maintenance-free bearing for general engineering applications
  • Optimum performance under relatively light loads and high speeds
  • Produced by powder metallurgy process and therefore suitable for complex shapes
AVAILABILITY

Bearing forms available in standard dimensions

  • Plain cylindrical bushes
  • Plain flanged bushes

Bearing forms made to order: cylindrical bushes and flanged bushes with non-standard dimensions, spherical bearings, tubes and rod blanks, customized bearing designs

Operating performance

Choose the product I want to compare
GGB-BP25
Dry Operation Good
Lubricated Operation Good
Greased Operation Fair
Machinable Applicable
RoHS Compliant Compliant
Standard Sizes Available
Application Excellence
GGB-FP20
Good
Good
Not Recommended
Applicable
Compliant
Available
GGB-SO16
Not Applicable
Good
Not Recommended
Applicable
Compliant
Not Available

Composition

GGB-BP25 METAFRAM Oil Impregnated Sintered Bronze Bearings and Bronze Sleeve Bushings

Similar to SINT A 50, Impregnation
Group 1

Market applications

Technical specifications

  • General

    BEARING PROPERTIES Value Unit
    Maximum load, p
    - Static 20 2,900 N/mm2 psi
    - Dynamic 10 1,400 N/mm2 psi
    Operating Temperature
    - Min -180 -290 °C °F
    - Max 90 190 °C °F
    Operating Temperature
    - Min 0* 30* °C °F
    - Max 300* 570* °C °F
    Minimum density 6.2 0.22 g/cm³ lb/in³
    Minimum apparent porosity 23 23 % %
    Oil Impregnated
    Maximum sliding speed, U 0.1-6.0* 20-1,100* m/s fpm
    Maximum pU factor 0.1-1.8* 2,800-51,400* N/mm² x m/s psi x fpm
    Coefficient of friction, f boundary 0.05-0.25* 0.05-0.25*
    Recommendations
    Shaft surface roughness, Ra
    - Normal ≤ 0.3 - ≤ 0.6 * ≤12- ≤ 24* µm µin
    Shaft surface hardness
    - Normal > 240 - > 355 * > 240 - > 355 * HB HB
    Operating Performance Value
    For Superior Performance Value
    * Bearing properties depending on oil or solid lubricants. This information is available by downloading the GGB-BP25 datasheet or brochure.

Need advice?

Our experts are ready to help you find the right solution for your specific application.