What are you looking for?

Enter search term

We are sorry!

Unfortunately no results were found.

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

Help & Contact

Your direct line to us

If you have any questions about the online store or our products, you can call our customer service at:

Monday - Thursday: 8:00AM - 5:00PM
Friday: 8:00AM - 4:00PM
Except saturdays, sundays and holidays

Or use our FAQ

There you get answers to the most frequently asked questions.

Helping people help themselves
FAQs

BK-1- 08 12

Bush BK-1 8x12 metal/PTFE
d
8 mm
D
10 mm
L
12 mm
Download PDF

Please choose a variant

Show table of articles

Article

BK-1- 06 05 BK-1- 06 10 BK-1- 08 06 BK-1- 08 10 BK-1- 08 12 BK-1- 10 07 BK-1- 10 08 BK-1- 10 10 BK-1- 10 12 BK-1- 10 15 BK-1- 10 20 BK-1- 12 08 BK-1- 12 12 BK-1- 12 15 BK-1- 12 20 BK-1- 12 25 BK-1- 13 10 BK-1- 14 25 BK-1- 15 10 BK-1- 15 12 BK-1- 15 15 BK-1- 15 20 BK-1- 15 25 BK-1- 16 15 BK-1- 16 20 BK-1- 16 25 BK-1- 17 12 BK-1- 18 15 BK-1- 18 20 BK-1- 18 25 BK-1- 20 10 BK-1- 20 20 BK-1- 20 25 BK-1- 20 30 BK-1- 22 20 BK-1- 22 25 BK-1- 22 30 BK-1- 24 15 BK-1- 24 25 BK-1- 24 30 BK-1- 25 12 BK-1- 25 15 BK-1- 25 20 BK-1- 25 25 BK-1- 25 30 BK-1- 25 35 BK-1- 25 40 BK-1- 25 50 BK-1- 26 20 BK-1- 26 30 BK-1- 28 20 BK-1- 28 25 BK-1- 28 30 BK-1- 28 35 BK-1- 30 12 BK-1- 30 15 BK-1- 30 20 BK-1- 30 25 BK-1- 30 30 BK-1- 30 35 BK-1- 30 40 BK-1- 32 20 BK-1- 32 25 BK-1- 32 30 BK-1- 32 40 BK-1- 35 20 BK-1- 35 25 BK-1- 35 30 BK-1- 35 35 BK-1- 35 40 BK-1- 35 50 BK-1- 38 20 BK-1- 38 40 BK-1- 40 12 BK-1- 40 20 BK-1- 40 25 BK-1- 40 30 BK-1- 40 35 BK-1- 40 40 BK-1- 40 50 BK-1- 45 20 BK-1- 45 25 BK-1- 45 30 BK-1- 45 35 BK-1- 45 40 BK-1- 45 45 BK-1- 45 50 BK-1- 50 15 BK-1- 50 20 BK-1- 50 25 BK-1- 50 30 BK-1- 50 35 BK-1- 50 40 BK-1- 50 50 BK-1- 50 60 BK-1- 55 30 BK-1- 55 35 BK-1- 55 40 BK-1- 55 50 BK-1- 55 60 BK-1- 60 30 BK-1- 60 40 BK-1- 60 50 BK-1- 60 60 BK-1- 60 70 BK-1- 65 40 BK-1- 65 50 BK-1- 65 60 BK-1- 65 70 BK-1- 70 30 BK-1- 70 40 BK-1- 70 60 BK-1- 70 70 BK-1- 75 30 BK-1- 75 50 BK-1- 75 60 BK-1- 80 40 BK-1- 80 60 BK-1- 80 80 BK-1- 80 100 BK-1- 85 40 BK-1- 90 40 BK-1- 90 60 BK-1- 90 100 BK-1- 100 50 BK-1- 100 60 BK-1- 100 95 BK-1- 110 50 BK-1- 110 60 BK-1- 120 60 BK-1- 120 100 BK-1- 125 100 BK-1- 140 80 BK-1- 160 80 BK-1- 160 100
Product details for

BK-1- 08 12

d
8 mm
D
10 mm
L
12 mm
f1
0.5 mm
f2
0.3 mm
All characteristics

Characteristics

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 velocity
  • dry run = 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)
Surface pressure
  • 250 (≤ N/mm²) 
Application
  • BK-1 bushings are suitable for transmission, rotary and oscillatory motions. 
  • rod guide for pneumatic and hydraulic cylinders 
  • attachment lugs of pneumatic and hydraulic cylinders 
  • Conveyor systems, textile machinery, automobiles ... 
Construction type
  • maintenance-free PTFE coated plain bearing 
Material
  • steel back onto which a porous bronze layer is sintered 
  • a PTFE lead mixture is subsequently rolled into the bronze layer 
Standard
  • ISO 3547 
  • DIN 1494 
Surface
  • zinc or copper plated 
Temp. max.
  • 270 Â°C
Temp. min.
  • -200 Â°C
Customs tariff number
  • 84833080 
All characteristics

Product description

Notes
To be observed: peak to valley height of shaft Ra < 0.4 µm.
Observed hardness of shaft > 350 HB
Description
null
null
null
High permitted load.
null
Good friction characteristics.
No stick-slip.
null
null
No water absorption.
Low backlash during operation.
Extremely space-saving.

Product variants

135 Results
Show dimensional drawing
Identifier
d (mm)
D (mm)
L (mm)
f1 (mm)
Details / items
6 mm
8 mm
5 mm
0.5 mm
Learn more
6 mm
8 mm
10 mm
0.5 mm
Learn more
8 mm
10 mm
6 mm
0.5 mm
Learn more
8 mm
10 mm
10 mm
0.5 mm
Learn more
8 mm
10 mm
12 mm
0.5 mm
Learn more
10 mm
12 mm
7 mm
0.5 mm
Learn more
10 mm
12 mm
8 mm
0.5 mm
Learn more
10 mm
12 mm
10 mm
0.5 mm
Learn more
10 mm
12 mm
12 mm
0.5 mm
Learn more
10 mm
12 mm
15 mm
0.5 mm
Learn more

Shows 10 of 135

Column selection

d (mm)
D (mm)
L (mm)
f1 (mm)
f2 (mm)