BK-1
Sliding bush 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
- Sliding rate
-
Dry running = 2 m/s
hydrodynamic 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 x K)-1
- Temp. min.
-
-200 °C
- Temp. max.
-
270 °C
- Surface pressure
-
250 (≤ N/mm2)
- Material
-
Steel back onto which a porous bronze layer is sintered
subsequently a PTFE lead mixture is rolled into the bronze layer
- Surface
-
zinc or copper plated
- Application
-
BK-1 bushes are suitable for transmission, rotational and oscillating movements
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
BK-1 F
Sliding bush BK-1-F- 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
hydrodynamic 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 x K)-1
- Temp. min.
-
-200 °C
- Temp. max.
-
270 °C
- Surface pressure
-
250 (≤ N/mm2)
- Material
-
Steel back onto which a porous bronze layer is sintered
subsequently a PTFE lead mixture is rolled into the bronze layer
- Surface
-
zinc or copper plated
- Application
-
BK-1 bushes are suitable for transmission, rotational and oscillating movements
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
BK-2
Sliding bush BK-2- Design
-
Multi-lubrication, POM coated friction bearing
- Construction type
-
with lubrication pockets
- pv
-
Operation with lubrication: 5 N/mm2 x m/s
- Permissible load
-
static: 140 N/mm2
Rotation, oscillation: 70 N/mm2
- Sliding rate
-
Dry running = 2 m/s
hydrodynamic operation: 5 m/s
- Friction coefficient
-
dry: 0.15 to 0.25
lubricated: 0.05 to 0.15
- 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 x K)-1
- Temp. min.
-
-20 °C
- Temp. max.
-
100 °C
- Surface pressure
-
140 (≤ N/mm2)
- Material
-
Steel back onto which a porous bronze layer is sintered
subsequently the acetal resin POM is rolled into the bronze layer
- Surface
-
zinc or copper plated
- Application
-
BK-2 bushes are suitable for rotational and oscillating movements
Attachment lugs of pneumatic and hydraulic cylinders
Conveyor-belt systems, textile machinery, automobiles ...
- Standard
-
ISO 3547
DIN 1494