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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

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常见问题

BK-2- 15 25

Bush BK-2 15x25 metal/POM
产品详情关闭

BK-2- 15 25

d
15 mm
D
17 mm
L
25 mm
f1
0.5 mm
f2
0.3 mm
g
4 mm
所有属性

属性

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 °C
Temp. min.
  • -20 °C
Customs tariff number
  • 84833080 
所有属性

产品说明

提示
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
说明
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
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d (mm)
D (mm)
L (mm)
f1 (mm)
详细信息 / items
10 mm
12 mm
20 mm
0.5 mm
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15 mm
17 mm
25 mm
0.5 mm
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20 mm
23 mm
15 mm
0.8 mm
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20 mm
23 mm
20 mm
0.8 mm
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20 mm
23 mm
25 mm
0.8 mm
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20 mm
23 mm
30 mm
0.8 mm
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22 mm
25 mm
25 mm
0.8 mm
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22 mm
25 mm
30 mm
0.8 mm
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24 mm
27 mm
15 mm
0.8 mm
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24 mm
27 mm
25 mm
0.8 mm
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