What are you looking for?

Enter search term

We are sorry!

Unfortunately no results were found.

Christmas / New Year shipping times
Our central warehouses will be closed from 23.12.2024 to 01.01.2025. Incoming orders will not be shipped during this period. If necessary, you are welcome to use our branch network during this time. Customer service will be available as usual.

Please note that our branches may have different opening hours during the holidays. For up-to-date information, we recommend calling ahead or checking the current opening times on Google Maps. Due to technical reasons, we are currently unable to update the opening hours on our website. Link to branch search on Google Maps

Login

Have you forgotten your password?

Are you a new customer?

Register and get many benefits:

Checking the product availability
Fast reordering & order history
Personal product recommendation
Payment by invoice
Register now

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:

Phone
+49-421-48907-766
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- 90 40

Bush BK-2 90x40 metal/POM
BK-2-9040

The product image may differ

BK-2-9040
BK-2-9040 BK-2-9040
d
90 mm
D
95 mm
L
40 mm
Download PDF

Please choose a variant

Show table of articles

Article

BK-2- 10 20 BK-2- 15 25 BK-2- 20 15 BK-2- 20 20 BK-2- 20 25 BK-2- 20 30 BK-2- 22 25 BK-2- 22 30 BK-2- 24 15 BK-2- 24 25 BK-2- 25 15 BK-2- 25 20 BK-2- 25 25 BK-2- 25 30 BK-2- 28 25 BK-2- 28 30 BK-2- 30 20 BK-2- 30 30 BK-2- 30 40 BK-2- 32 25 BK-2- 32 30 BK-2- 32 40 BK-2- 35 20 BK-2- 35 30 BK-2- 35 35 BK-2- 35 40 BK-2- 35 50 BK-2- 40 20 BK-2- 40 30 BK-2- 40 40 BK-2- 40 50 BK-2- 45 30 BK-2- 45 40 BK-2- 45 45 BK-2- 45 50 BK-2- 50 30 BK-2- 50 35 BK-2- 50 40 BK-2- 50 50 BK-2- 50 60 BK-2- 55 40 BK-2- 55 60 BK-2- 60 30 BK-2- 60 40 BK-2- 60 50 BK-2- 60 60 BK-2- 60 70 BK-2- 65 60 BK-2- 70 30 BK-2- 70 40 BK-2- 70 50 BK-2- 70 70 BK-2- 70 80 BK-2- 75 40 BK-2- 80 40 BK-2- 80 50 BK-2- 80 60 BK-2- 80 80 BK-2- 85 60 BK-2- 90 40 BK-2- 90 60 BK-2- 90 80 BK-2- 90 90 BK-2- 95 60 BK-2- 100 60 BK-2- 110 60 BK-2- 120 60 BK-2- 125 60 BK-2- 130 60 BK-2- 130 80
Product details for

BK-2- 90 40

d
90 mm
D
95 mm
L
40 mm
f1
1.2 mm
f2
0.6 mm
g
9.5 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 plain 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 Â°C
Temp. min.
  • -20 Â°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 plain bearing.
To be observed: peak to valley height of shaft Ra < 0.8 µm.
Observed hardness of shaft > 150 HB
Description
Maintenance-free operation.
Geräusch- und Schwingungsabsorption.
Relubricable.
Hydrodynamischer Betrieb möglich.
High permitted load.
Good friction characteristics.
Hohe Gleitgeschwindigkeit.
No water absorption.
Bei schwer realisierbarem Ölfilm zu verwenden.
Low backlash during operation.
Extremely space-saving.

Product variants

70 Results
Search
Show dimensional drawing
Identifier
d (mm)
D (mm)
L (mm)
f1 (mm)
Details / items
BK-2- 10 20
10 mm
12 mm
20 mm
0.5 mm
Learn more
BK-2- 15 25
15 mm
17 mm
25 mm
0.5 mm
Learn more
BK-2- 20 15
20 mm
23 mm
15 mm
0.8 mm
Learn more
BK-2- 20 20
20 mm
23 mm
20 mm
0.8 mm
Learn more
BK-2- 20 25
20 mm
23 mm
25 mm
0.8 mm
Learn more
BK-2- 20 30
20 mm
23 mm
30 mm
0.8 mm
Learn more
BK-2- 22 25
22 mm
25 mm
25 mm
0.8 mm
Learn more
BK-2- 22 30
22 mm
25 mm
30 mm
0.8 mm
Learn more
BK-2- 24 15
24 mm
27 mm
15 mm
0.8 mm
Learn more
BK-2- 24 25
24 mm
27 mm
25 mm
0.8 mm
Learn more

Shows 10 of 70

Column selection

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