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BK 090 F
Sliding bush BK090-F
Product image
Properties
| Design |
Multi-lubrication friction bearing in rolled bronze |
| Construction type |
The bushes are suitable for rotational and oscillating movements |
| pv |
for grease lubrication: 2.8 N/mm2 x m/s for oil lubrication: 10 N/mm2 x m/s |
| Permissible load |
static: 140 N/mm2 Rotation, oscillation: 70 N/mm2 |
| Sliding speed max. |
1,0 m/s |
| Friction coefficient |
lubricated: 0.05 to 0.15 |
| Thermal expansion coefficient |
11 x 10-6 K-1 |
| Coefficient of thermal conductivity |
> 60 W (m x K)-1 |
| Temp. min. |
-50 °C |
| Temp. max. |
150 °C |
| Surface pressure |
140 (≤ N/mm2) |
| Material |
CuSn8 bronze |
| Application |
Hydraulics |
| Standard |
ISO 3547 DIN 1494 |
Description
Maintenance-free operation.
Multi-lubricationable.
Not suitable for dirty conditions.
Shock and vibration resistant.
High permitted load.
Good friction characteristics.
No water absorption.
low play during operation.
Extremely space-saving.
Note
An initial lubrication with grease is recommended and continual lubrication significantly increases the service life of the friction bearing.
Peak to valley height of shaft to be observed Ra < 0.8 μm.
Hardness of shaft to be observed 150 < HB < 600.
Item
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 Identification |
d (mm) |
D (mm) |
L (mm) |
e (mm) |
F (mm) |
|---|---|---|---|---|---|
| BK 090-25 25 F | 25 | 28 | 25 | 1,5 | 35 |
| BK 090-30 30 F | 30 | 34 | 30 | 2,0 | 45 |
| BK 090-35 35 F | 35 | 39 | 35 | 2,0 | 50 |
| BK 090-40 40 F | 40 | 44 | 40 | 2,0 | 55 |
| BK 090-45 30 F | 45 | 50 | 30 | 2,5 | 60 |
| BK 090-50 50 F | 50 | 55 | 50 | 2,5 | 65 |
| BK 090-60 30 F | 60 | 65 | 30 | 2,5 | 75 |
| BK 090-60 60 F | 60 | 65 | 60 | 2,5 | 75 |
| BK 090-60 65 F | 60 | 65 | 65 | 2,5 | 75 |
| BK 090-65 30 F | 65 | 70 | 30 | 2,5 | 80 |
| BK 090-70 40 F | 70 | 75 | 40 | 2,5 | 85 |
| BK 090-70 70 F | 70 | 75 | 70 | 2,5 | 85 |
| BK 090-80 40 F | 80 | 85 | 40 | 2,5 | 100 |
| BK 090-80 80 F | 80 | 85 | 80 | 2,5 | 100 |
| BK 090-90 90 F | 90 | 95 | 90 | 2,5 | 110 |
| BK 090-120 90 F | 120 | 125 | 90 | 2,5 | 140 |
Disclaimer
Despite careful checking, we cannot guarantee the accuracy of all information included on this site, and we accept no liability.
All data and information in our online catalogue are based on currently valid standards and the regulations from the employer's liability insurance association. Product safety can only be guaranteed when our assembly instructions are carefully observed. Non-adherence to these regulations can affect product operation and functioning and result in a loss of warranty. Our warranty is only valid for HANSA-FLEX products. Our products are constantly subject to further development and technical changes are therefore possible.