HANSA-FLEX AG
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Date: 2017-10-19

BK-1

Sliding bush BK-1
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BK-1 data/img/product/BK-1_Zeichnung_3.jpg - BK-1
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Design Maintenance-free PTFE coated friction bearing
pv Continuous operation: 1.8 N/mm2 x m/s
Short-term operation: 3.6 N/mm2 x m/s
Permissible load static: 250 N/mm2
low slide speed: 140 N/mm2
Rotation, oscillation: 55 N/mm2
Sliding rate Dry running = 2 m/s
hydrodynamic operation: >2 m/s
Thermal expansion coefficient parallel to ring surface: 11 x 10-6 K-1
perpendicular to ring surface: 30 x 10-6 K-1
Coefficient of thermal conductivity > 40 W (m x K)-1
Temp. min. -200 °C
Temp. max. 270 °C
Surface pressure 250 (≤ N/mm2)
Material Steel back onto which a porous bronze layer is sintered
subsequently a PTFE lead mixture is rolled into the bronze layer
Surface zinc or copper plated
Application BK-1 bushes are suitable for transmission, rotational and oscillating movements
Rod guide for pneumatic and hydraulic cylinders
Attachment lugs of pneumatic and hydraulic cylinders
Conveyor-belt systems, textile machinery, automobiles ...
Standard ISO 3547
DIN 1494
Hide descriptionDescription

Suitable for dry running and maintenance-free.
Noise and frequency absorption.
hydrodynamic operation possible
High permitted load.
Good chemical resistance.
Good friction characteristics.
No stick-slip.
Broad temperature range.
High slide speed.
No water absorption.
low play during operation.
Extremely space-saving.

Hide informationNote

Peak to valley height of shaft to be observed Ra < 0.4 μm.
Hardness of shaft to be observed 350 < HB < 600.

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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.