ZR-013 hydraulic gear pump DU bushing is a specialized self-lubricating sliding bearing designed specifically for hydraulic pumps. This PTFE composite bushing, also known as SF-1T sliding bearing, offers superior performance in demanding pump applications including gear pumps, plunger pumps, and vane pumps.

• PTFE with lead 0.01~0.03mm as sliding layer
• Porous bronze 0.2~0.3mm intermediate layer
• Steel backing 0.7~2.3mm base material
• Tin-plating 0.005mm or copper plating 0.008mm surface treatment

• Advanced material design based on PVB010 oiless bearing technology
• Low friction coefficient under oil lubricated conditions
• Excellent wear resistance and anti-impact properties
• Specifically engineered for high PV conditions with hydrodynamic lubrication
• Performance comparable to DP4 bushing standards

• Housing: ØH7
• Bushing inner diameter after mounting: H9
• Shaft tolerance: f7 to h8

• Housing: Mounting bevel minimum 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
• Use of adequate force fitting mandrel recommended
• Grease lubrication of outer surface may be necessary during mounting

• Standard cylindrical bushings, thrust washers, and strips available
• Custom designs produced with short lead times
• Lead-free bushing options available