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Steel Back PTFE lined Hydrualic Gear Pump Bushing Composite Plain Bearing

Steel Back PTFE lined Hydrualic Gear Pump Bushing Composite Plain Bearing

Model Number:PVB013
Description:Gear Pump DU bushing
Material:Steel+Sintered bronze+PTFE
Surface:Copper Plating, Tin Plating
Advantages:Perfect performance under high PV
Standard:DIN 1494 / ISO 3547
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Product Details

PVB013 Steel Back PTFE lined Hydrualic Gear Pump Composite Plain Bushing


PVB013 hydraulic gear pump DU bushing is a kind of DU bushing special designed for pumps. Hydraulic self lubricating bearing has common structure with other DU bush. It's also called gear pumps DU bushing, SF-1T Sliding Bearing.


Material Structure




1.PTFE Mixture 0.01~0.03mm as sliding layer
2.Porous bronze 0.2~0.3mm
3.Steel backing 0.7~2.3mm
4.Tin-plating 0.005mm or copper plating 0.008mm


Characteristics



New type material which is designed on the basic of PVB010 oiless bearing
Low friction under oil lubricated condition.
Wear resistant and anti-impact.
Particularly applied for the high PV condition, at hydrodynamic lubrication, similar performance with DP4 bushing


Availability



Standard cylindrical bushing, thrust washers and strips are available.
Special designs are produced at short time
Lead free bushing is also available


Application



PVB013 self-lubricating bushing is the best choice for all kinds of gear pumps plunger pumps, vane pumps and so on.


Technical Data



Specific load capacity (static)≤ 250 [ N/mm ]
Specific load capacity (dynamic)≤ 140 N/mm at low speeds
Friction value0.04 to 0.2
Temperature-195 to +280 [ °C ]
Max. sliding speed3m/s
Max. Pv (dry)3.8N/mm2.m/s
Max. Pv (lubrication)50N/mm2.m/s

Tolerance Details



  • Housing ØH7

  • Bushing inner-Ø after mountingH9

  • Shaft tolerancef7 to h8


Mouting Suggestion



  • Housing: Mounting bevel min. 1.5 mm x 15-45°

  • Shaft Material:Steel, hardened or untempered, surface roughness ≤ Rz 2-3

  • Shaft: Mounting bevel 5 mm x 15°, edges rounded

  • The application of an adequate force fitting mandrel is advisable. Grease lubrication of the outer surface may be necessary when mounting.

China Steel Back PTFE lined Hydrualic Gear Pump Bushing Composite Plain Bearing supplier

Steel Back PTFE lined Hydrualic Gear Pump Bushing Composite Plain Bearing

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