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Steel Back PTFE lined Hydrualic Gear Pump Bushing Composite Plain Bearing

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Jiashan PVB Sliding Bearing Co.,Ltd

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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

Availability : Cylindrical DU Sleeve Bushing

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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

Steel Back PTFE lined Hydrualic Gear Pump Bushing Composite Plain Bearing

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 value	0.04 to 0.2
Temperature	-195 to +280 [ °C ]
Max. sliding speed	3m/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.

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Steel Back PTFE lined Hydrualic Gear Pump Bushing Composite Plain Bearing Images

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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

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