Gb - 5 speed

1. APPLICATIONS
Industrial: FHP motor bearings, domestic appliances and hand tools
•
•
Maintenance-free bearing for general
Similar to SINT A 50, impregnation group 1
engineering applications
• Optimum performance under relatively light
loads and high speeds
• Produced by powder metallurgy process and
therefore suitable for complex shapes
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
CHARACTERISTICS
For additional market / product offerings, go to https://www.ggbearings.com
GGB-BP25
AVAILABILITY
RoHS
compliant
METAFRAM Oil Impregnated
Sintered Bronze Bearings

2. GGB-BP25 Technical Data
Bearing Properties
Maximum load, p
Static
Dynamic
Operating temperature
Min
Max
Minimum density
Minimum apparent porosity %
Oil Impregnated
Maximum sliding speed, U
Maximum pU factor
Coefficient of friction
Recommendations
Shaft surface roughness, Ra Normal
Shaft surface hardness For longer service
psi
psi
°F
°F
lb/in3
fpm
psi x fpm
µin
HB
2 900
1 400
- 290 / 30*
190 / 570*
0.22
23
20 - 1 100*
2 800 - 51 400*
0.05 - 0.25*
≤ 12 - ≤ 24*
> 240 - > 355*
N/mm2
N/mm2
°C
°C
g/cm3
m/s
N/mm2
x m/s
µm
HB
20
10
- 180 / 0*
90 / 300*
6.2
23
0.1 - 6.0*
0.1 - 1.8*
0.05 - 0.25*
≤ 0.3 - ≤ 0.6*
> 240 - > 355*
* Bearing properties depending on oil or solid lubricants
Operating Performance
Dry Good (PTFE/MoS )2
Oil lubricated Good
Grease lubricated Fair
Water lubricated Not recommended
Process fluid lubricated Not recommended
BP25 with
composition:
Sn 8 – 10.5 %
Other < 2 %
Cu Rest
Impregnation
group 1 (up to
80°C)
Microsection
GGB-BP25 is a trademark of GGB.
©2017 GGB. All rights reserved. 01-17
an EnPro Industries company
The Global Leader
in High Performance Bearing Solutions
https://www.ggbearings.com/en/products/
metals-and-bimetals/ggb-bp25
General
Imperial Units Imperial Value Metric Units Metric Value