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Bushes

5 Variants
All filters
Max. sliding velocity
Sliding velocity
Temp. max.
Temp. min.
Permissible load
Surface
Friction coefficient
Application
Material
pv
Coefficient of thermal conductivity
Thermal expansion coefficient
Construction type addition
Construction type
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Max. sliding velocity Sliding velocity Temp. max. Temp. min. Permissible load Surface Friction coefficient Application Material pv Coefficient of thermal conductivity Thermal expansion coefficient Construction type addition Construction type

Max. sliding velocity

1 m/s

Sliding velocity

dry run = 2 m/s  hydro-dynamic operationcolon 5 m/s  hydro-dynamic operationcolon > 2 m/s 

Temp. max.

100 °C 150 °C 270 °C

Temp. min.

-20 °C -50 °C -200 °C

Permissible load

low slide speedcolon 140 N/mm²  rotation, oscillationcolon 55 N/mm²  rotation, oscillationcolon 70 N/mm²  staticcolon 140 N/mm²  staticcolon 250 N/mm² 

Surface

zinc or copper plated 

Friction coefficient

drycolon 0.15 to 0.25  lubricatedcolon 0.05 to 0.15 

Application

attachment lugs of pneumatic and hydraulic cylinders  BK-1 bushings are suitable for transmission, rotary and oscillatory motions.  BK-2 bushings are suitable for rotational and oscillating movements.  Conveyor systems, textile machinery, automobiles ...  hydraulic systems  rod guide for pneumatic and hydraulic cylinders 

Material

a PTFE lead mixture is subsequently rolled into the bronze layer  CuSn8 bronze  steel back onto which a porous bronze layer is sintered  the POM acetal resin is subsequently rolled into the bronze layer 

pv

continuous operationcolon 1.8 N/mm² x m/s  for grease lubricationcolon 2.8 N/mm² x m/s  for oil lubricationcolon 10 N/mm² x m/s  operation with lubricationcolon 5 N/mm² x m/s  short-term operationcolon 3.6 N/mm² x m/s 

Coefficient of thermal conductivity

32 W/(m·K) 40 W/(m·K) 60 W/(m·K)

Thermal expansion coefficient

parallel to ring surfacecolon 11 x 10-6 K-1  perpendicular to ring surfacecolon 30 x 10-6 K-1  perpendicular to ring surfacecolon 48 x 10-6 K-1 

Construction type addition

the bushes are suitable for rotational and oscillating movements  with lubrication pockets 

Construction type

maintenance-free PTFE coated plain bearing  multi-lubrication plain bearing in rolled bronze  multi-lubrication, POM coated plain bearing 
2 Categories
slide bush type BK-1, BK-1 F,BK-2

slide bush type BK-1, BK-1 F,BK-2
slide bush type BK 090, BK 090-F

slide bush type BK 090, BK 090-F

Products

5 Variants
MAS_BK_090

BK 090

86 Variants

Sliding bush BK090

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
MAS_BK-1

BK-1

135 Variants

Sliding bush BK-1

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
MAS_BK_090_F

BK 090 F

15 Variants

Sliding bush BK090-F

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
MAS_BK-1_F

BK-1 F

17 Variants

Sliding bush BK-1-F

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
MAS_BK-2

BK-2

70 Variants

Sliding bush BK-2

pv

operation with lubrication: 5 N/mm² x m/s

Permissible load

static: 140 N/mm²

rotation, oscillation: 70 N/mm²