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d
20 mm
D
23 mm
L
21.5 mm
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Product details for
BK-1- 20 215 F
d
20 mm
D
23 mm
L
21.5 mm
F
31 mm
e
1.5 mm
f1
0.8 mm
f2
0.4 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
Description du produit
Notes
Description
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