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KKK

BK-1- 15 120 F

Bush BK-1-F 15x12 metal/PTFE
Product details for

BK-1- 15 120 F

d
15 mm
D
17 mm
L
12 mm
F
23 mm
e
1 mm
f1
0.5 mm
f2
0.3 mm
All characteristics

Characteristics

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 velocity
  • dry run = 2 m/s 
  • hydro-dynamic operation: > 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)
Surface pressure
  • 250 (≤ N/mm²) 
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 systems, textile machinery, automobiles ... 
Construction type
  • maintenance-free PTFE coated plain bearing 
Material
  • steel back onto which a porous bronze layer is sintered 
  • a PTFE lead mixture is subsequently rolled into the bronze layer 
Standard
  • ISO 3547 
  • DIN 1494 
Surface
  • zinc or copper plated 
Temp. max.
  • 270 °C
Temp. min.
  • -200 °C
Customs tariff number
  • 84833080 
All characteristics

Tootekirjeldus

Notes
To be observed: peak to valley height of shaft Ra < 0.4 µm.
Observed hardness of shaft > 350 HB
Description
null
null
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High permitted load.
null
Good friction characteristics.
No stick-slip.
null
null
No water absorption.
Low backlash during operation.
Extremely space-saving.

Product variants

17 Results
Show dimensional drawing
Identifier
d (mm)
D (mm)
L (mm)
F (mm)
Details / items
6 mm
8 mm
7 mm
12 mm
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10 mm
12 mm
12 mm
18 mm
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12 mm
14 mm
12 mm
20 mm
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14 mm
16 mm
12 mm
22 mm
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15 mm
17 mm
12 mm
23 mm
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15 mm
17 mm
17 mm
23 mm
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18 mm
20 mm
12 mm
26 mm
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18 mm
20 mm
17 mm
26 mm
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20 mm
23 mm
11.5 mm
31 mm
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20 mm
23 mm
16.5 mm
31 mm
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Shows 10 of 17

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D (mm)
L (mm)
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e (mm)
f1 (mm)
f2 (mm)