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-2- 50 60

Bush BK-2 50x60 metal/POM
Product details for

BK-2- 50 60

d
50 mm
D
55 mm
L
60 mm
f1
1.2 mm
f2
0.6 mm
g
8 mm
All characteristics

Characteristics

pv
  • operation with lubrication: 5 N/mm² x m/s 
Permissible load
  • static: 140 N/mm² 
  • rotation, oscillation: 70 N/mm² 
Sliding velocity
  • dry run = 2 m/s 
  • hydro-dynamic operation: 5 m/s 
Thermal expansion coefficient
  • parallel to ring surface: 11 x 10-6 K-1 
  • perpendicular to ring surface: 48 x 10-6 K-1 
Coefficient of thermal conductivity
  • 32 W/(m·K)
Surface pressure
  • 140 (≤ N/mm²) 
Application
  • attachment lugs of pneumatic and hydraulic cylinders 
  • Conveyor systems, textile machinery, automobiles ... 
  • BK-2 bushings are suitable for rotational and oscillating movements. 
Construction type
  • multi-lubrication, POM coated friction bearing 
Construction type addition
  • with lubrication pockets 
Friction coefficient
  • dry: 0.15 to 0.25 
  • lubricated: 0.05 to 0.15 
Material
  • steel back onto which a porous bronze layer is sintered 
  • the POM acetal resin is subsequently rolled into the bronze layer 
Standard
  • ISO 3547 
  • DIN 1494 
Surface
  • zinc or copper plated 
Temp. max.
  • 100 °C
Temp. min.
  • -20 °C
Customs tariff number
  • 84833080 
All characteristics

Product description

Notes
An initial lubrication with grease is recommended and continual lubrication significantly increases the service life of the friction bearing.
To be observed: peak to valley height of shaft Ra < 0.8 µm.
Observed hardness of shaft > 150 HB
Description
Maintenance-free operation.
null
Relubricable.
null
High permitted load.
Good friction characteristics.
null
No water absorption.
null
Low backlash during operation.
Extremely space-saving.

Product variants

70 Results
Show dimensional drawing
Identifier
d (mm)
D (mm)
L (mm)
f1 (mm)
Price / items

Shows 10 of 70

Column selection

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