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SF-1 Car PTFE Bushing Compressor Bearing Bush Carbon Steel Dry Bearing 2015

SF-1 Car PTFE Bushing Compressor Bearing Bush Carbon Steel Dry Bearing 2015

SF-1 Car PTFE Bushing Compressor Bearing Bush Carbon Steel Dry Bearing 2015 Product Advantages: 1)Good wear and low friction performance over a wide range of loads, speeds and temperatures in dry running conditions. 2)Very good performance in lubricated applications particularly in marginally lubricated applications. 3)Suitable for linear, oscillating and rotating movements. 4)Lead-free material match RoHS specifications.

Product Details


SF-1 Car PTFE Bushing Compressor Bearing Bush Carbon Steel Dry Bearing 2015


Product Advantages:

1)Good wear and low friction performance over a wide range of loads, speeds and temperatures in dry running conditions. 

2)Very good performance in lubricated applications particularly in marginally lubricated applications. 

3)Suitable for linear, oscillating and rotating movements. 

4)Lead-free material match RoHS specifications.


AVAILABILITY

Bearing forms made to order: standard forms in special dimensions, half-bearings, special shapes obtained by stamping or deep drawing, bearings with locating notches, lubricant holes and machined/stamped grooves, customized bearing designs


TRUCTURE AND COMPOSITION

  • Metal-Polymer Composite Material 

  • Steel Back + Porous  Bronze Sinter +

  • PTFE + Solid Lubricant



MICROSECTION

microsection of metal-polyer anti-friction plain bearing.png

Sliding layer

PTFE + Solid Lubricant

Porous Bronze Sinter

Steel Backing

 


OPERATING PERFORMANCE
DryGood
Oil lubricatedGood
Grease lubricatedFair
Water lubricatedNot recommended
Process fluid lubricatedFair




BEARING PROPERTIES

GENERAL
UnitValue
Maximum load, p

Static

Dynamic

N/mm2

N/mm2

250

140

Operating temperature

Min

Max

°C

°C

- 200

280

Coefficient of linear thermal expansion

Parallel to the surface

10-6/K

11

Normal to the surface10-6/K30
DRY


Maximum sliding speed, U
m/s

2.5

Maximum pU factor

N/mm2 x m/s

1.0

Coefficient of friction

0.03 - 0.25 *

OIL LUBRICATED


Maximum sliding speed, U
m/s

5.0

Maximum pU factor
N/mm2 x m/s

10.0

Coefficient of friction

0.02 - 0.08

RECOMMENDATIONS


Shaft surface roughness, Ra

Dry

Lubricated

µm

µm

0.3 - 0.5

≤ 0.05 - 0.4 *

Shaft surface hardnessUnhardened acceptable, improved bearing life > 200HB



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