BK 090 Sliding bush BK090
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BK 090

Sliding bush BK090

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MAS_BK_090 MAS_BK_090
MAS_BK_090 MAS_BK_090
Design
multi-lubrication friction bearing in rolled bronze 
Construction type
the bushes are suitable for rotational and oscillating movements 
pv
for grease lubrication: 2.8 N/mm² x m/s 
for oil lubrication: 10 N/mm² x m/s 
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BK090-1010 BK090-1415 BK090-1515 BK090-1620 BK090-1625 BK090-1815 BK090-2015 BK090-2020 BK090-2025 BK090-2030 BK090-2220 BK090-2225 BK090-2230 BK090-2515 BK090-2520 BK090-2525 BK090-2530 BK090-2820 BK090-2825 BK090-2830 BK090-3020 BK090-3025 BK090-3030 BK090-3040 BK090-3220 BK090-3230 BK090-3240 BK090-3515 BK090-3520 BK090-3530 BK090-3535 BK090-3540 BK090-3550 BK090-4020 BK090-4025 BK090-4030 BK090-4040 BK090-4050 BK090-4520 BK090-4525 BK090-4530 BK090-4540 BK090-4550 BK090-4560 BK090-5030 BK090-5040 BK090-5050 BK090-5060 BK090-5520 BK090-5540 BK090-5550 BK090-5560 BK090-6030 BK090-6035 BK090-6040 BK090-6050 BK090-6060 BK090-6540 BK090-6550 BK090-6560 BK090-7040 BK090-7050 BK090-7060 BK090-7070 BK090-7080 BK090-7540 BK090-7560 BK090-7580 BK090-8040 BK090-8050 BK090-8060 BK090-8080 BK090-8540 BK090-8580 BK090-9050 BK090-9060 BK090-9090 BK090-10050 BK090-10060 BK090-11060 BK090-12050 BK090-13060 BK090-130100 BK090-140100 BK090-15060 BK090-18060

Characteristics

Design
  • multi-lubrication friction bearing in rolled bronze 
Construction type
  • the bushes are suitable for rotational and oscillating movements 
pv
  • for grease lubrication: 2.8 N/mm² x m/s 
  • for oil lubrication: 10 N/mm² x m/s 
Permissible load
  • static: 140 N/mm² 
  • Rotation, oscillation: 70 N/mm² 
Sliding speed max.
  • 1 m/s
Friction coefficient
  • lubricated: 0.05 to 0.15 
Thermal expansion coefficient
  • 11 x 10-6 K-1 
Coefficient of thermal conductivity
  • 60 W/(m·K)
Temp. min.
  • -50 °C
Temp. max.
  • 150 °C
Surface pressure
  • 140 (≤ N/mm²) 
Material
  • CuSn8 bronze 
Application
  • hydraulic systems 
Standard
  • ISO 3547 
  • DIN 1494 
All characteristics

Product description

Notes
An initial lubrication with grease is recommended and continual lubrication significantly increases the service life of the friction bearing.
Peak to valley height of shaft to be observed Ra <; 0.8 μm.
Hardness of shaft to be observed 150 <; HB <; 600.
Description
Maintenance-free operation.
Multi-lubricationable.
Not suitable for dirty conditions.
Shock and vibration resistant.
High permitted load.
Good friction characteristics.
No water absorption.
low play during operation.
Extremely space-saving.

Product variants

86 Results
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Show dimensional drawing
Identifier
d (mm)
d (mm)
L (mm)
D (mm)
L (mm)
d (mm)
L (mm)
D (mm)
D (mm)
d (mm)
L (mm)
D (mm)
Details / items
BK 090-10 10
10  mm
10  mm
12  mm
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BK 090-14 15
14  mm
15  mm
16  mm
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BK 090-15 15
15  mm
15  mm
17  mm
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BK 090-16 20
16  mm
20  mm
18  mm
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BK 090-16 25
16  mm
25  mm
18  mm
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BK 090-18 15
18  mm
15  mm
21  mm
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BK 090-20 15
20  mm
15  mm
23  mm
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BK 090-20 20
20  mm
20  mm
23  mm
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BK 090-20 25
20  mm
25  mm
23  mm
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BK 090-20 30
20  mm
30  mm
23  mm
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