BK-1 Sliding bush BK-1
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BK-1

Sliding bush BK-1

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MAS_BK-1 MAS_BK-1
MAS_BK-1 MAS_BK-1
Design
maintenance-free PTFE coated friction bearing 
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 
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Article
BK-1-0605 BK-1-0610 BK-1-0806 BK-1-0810 BK-1-0812 BK-1-1007 BK-1-1008 BK-1-1010 BK-1-1012 BK-1-1015 BK-1-1020 BK-1-1208 BK-1-1212 BK-1-1215 BK-1-1220 BK-1-1225 BK-1-1310 BK-1-1425 BK-1-1510 BK-1-1512 BK-1-1515 BK-1-1520 BK-1-1525 BK-1-1615 BK-1-1620 BK-1-1625 BK-1-1712 BK-1-1815 BK-1-1820 BK-1-1825 BK-1-2010 BK-1-2020 BK-1-2025 BK-1-2030 BK-1-2220 BK-1-2225 BK-1-2230 BK-1-2415 BK-1-2425 BK-1-2430 BK-1-2512 BK-1-2515 BK-1-2520 BK-1-2525 BK-1-2530 BK-1-2535 BK-1-2540 BK-1-2550 BK-1-2620 BK-1-2630 BK-1-2820 BK-1-2825 BK-1-2830 BK-1-2835 BK-1-3012 BK-1-3015 BK-1-3020 BK-1-3025 BK-1-3030 BK-1-3035 BK-1-3040 BK-1-3220 BK-1-3225 BK-1-3230 BK-1-3240 BK-1-3520 BK-1-3525 BK-1-3530 BK-1-3535 BK-1-3540 BK-1-3550 BK-1-3820 BK-1-3840 BK-1-4012 BK-1-4020 BK-1-4025 BK-1-4030 BK-1-4035 BK-1-4040 BK-1-4050 BK-1-4520 BK-1-4525 BK-1-4530 BK-1-4535 BK-1-4540 BK-1-4545 BK-1-4550 BK-1-5015 BK-1-5020 BK-1-5025 BK-1-5030 BK-1-5035 BK-1-5040 BK-1-5050 BK-1-5060 BK-1-5530 BK-1-5535 BK-1-5540 BK-1-5550 BK-1-5560 BK-1-6030 BK-1-6040 BK-1-6050 BK-1-6060 BK-1-6070 BK-1-6540 BK-1-6550 BK-1-6560 BK-1-6570 BK-1-7030 BK-1-7040 BK-1-7060 BK-1-7070 BK-1-7530 BK-1-7550 BK-1-7560 BK-1-8040 BK-1-8060 BK-1-8080 BK-1-80100 BK-1-8540 BK-1-9040 BK-1-9060 BK-1-90100 BK-1-10050 BK-1-10060 BK-1-10095 BK-1-11050 BK-1-11060 BK-1-12060 BK-1-120100 BK-1-125100 BK-1-14080 BK-1-16080 BK-1-160100

Characteristics

Design
  • maintenance-free PTFE coated friction bearing 
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 rate
  • Dry running = 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)
Temp. min.
  • -200 °C
Temp. max.
  • 270 °C
Surface pressure
  • 250 (≤ N/mm²) 
Material
  • Steel back onto which a porous bronze layer is sintered 
  • a PTFE lead mixture is subsequently rolled into the bronze layer 
Surface
  • zinc or copper plated 
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-belt systems, textile machinery, automobiles, ... 
Standard
  • ISO 3547 
  • DIN 1494 
All characteristics

Product description

Notes
Peak to valley height of shaft to be observed Ra <; 0.4 μm.
Hardness of shaft to be observed 350 <; HB <; 600.
Description
Suitable for dry running and maintenance-free.
Noise and frequency absorption.
hydrodynamic operation possible
High permitted load.
Good chemical resistance.
Good friction characteristics.
No stick-slip.
Broad temperature range.
High slide speed.
No water absorption.
low play during operation.
Extremely space-saving.

Product variants

135 Results
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Identifier
d (mm)
d (mm)
L (mm)
D (mm)
f2 (mm)
f1 (mm)
L (mm)
d (mm)
L (mm)
D (mm)
f2 (mm)
f1 (mm)
D (mm)
d (mm)
L (mm)
D (mm)
f2 (mm)
f1 (mm)
f2 (mm)
d (mm)
L (mm)
D (mm)
f2 (mm)
f1 (mm)
Details / items
BK-1- 06 05
6  mm
5  mm
8  mm
0.3  mm
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BK-1- 06 10
6  mm
10  mm
8  mm
0.3  mm
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BK-1- 08 06
8  mm
6  mm
10  mm
0.3  mm
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BK-1- 08 10
8  mm
10  mm
10  mm
0.3  mm
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BK-1- 08 12
8  mm
12  mm
10  mm
0.3  mm
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BK-1- 10 07
10  mm
7  mm
12  mm
0.3  mm
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BK-1- 10 08
10  mm
8  mm
12  mm
0.3  mm
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BK-1- 10 10
10  mm
10  mm
12  mm
0.3  mm
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BK-1- 10 12
10  mm
12  mm
12  mm
0.3  mm
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BK-1- 10 15
10  mm
15  mm
12  mm
0.3  mm
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