Login
Are you a new customer?
Register and get many benefits:
Checking the product availability
Fast reordering & order history
Personal product recommendation
Payment by invoice
Contact HANSA-FLEX

You have any questions about our online shop or our products?
You can call our customer service at:

+49-421-48907-766
Mon - Fri, 8:00 AM - 7:00 PM
Except sundays and holidays
Or use our FAQ

There you get answers to the most frequently asked questions.

To the FAQ

What are you looking for?

Enter search term

We are sorry!

Unfortunately no results were found.

BK-1 F

Sliding bush BK-1-F

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 
Download PDF

Characteristics

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·K)
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 
All characteristics

Product description

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

Product variants

17 Results
Show table information
title
Identifier
d (mm)
d (mm)
L (mm)
D (mm)
e (mm)
F (mm)
f2 (mm)
f1 (mm)
L (mm)
d (mm)
L (mm)
D (mm)
e (mm)
F (mm)
f2 (mm)
f1 (mm)
D (mm)
d (mm)
L (mm)
D (mm)
e (mm)
F (mm)
f2 (mm)
f1 (mm)
e (mm)
d (mm)
L (mm)
D (mm)
e (mm)
F (mm)
f2 (mm)
f1 (mm)
Details / items
6 mm
7 mm
8 mm
1 mm
Learn more
10 mm
12 mm
12 mm
1 mm
Learn more
12 mm
12 mm
14 mm
1 mm
Learn more
14 mm
12 mm
16 mm
1 mm
Learn more
15 mm
12 mm
17 mm
1 mm
Learn more
15 mm
17 mm
17 mm
1 mm
Learn more
18 mm
12 mm
20 mm
1 mm
Learn more
18 mm
17 mm
20 mm
1 mm
Learn more
20 mm
11.5 mm
23 mm
1.5 mm
Learn more
20 mm
16.5 mm
23 mm
1.5 mm
Learn more
Go to top