Stainless Steel Bushing

Definition

SF-1 Oilless bushing is a sliding bearing made of steel plate as the substrate, sintered spherical bronze powder in the middle and rolled polytetrafluoroethylene (PTFE) mixture on the surface and rolled. It has a small coefficient of friction, wear resistance, good corrosion resistance and oil-free lubrication. The use of this product can reduce the cost, reduce the size of machinery, avoid the phenomenon of biting the shaft and reduce mechanical noise and other advantages.

Core advantage
Lifetime lubrication free: The PTFE fiber-reinforced layer provides continuous self-lubrication, with a friction coefficient as low as 0.05-0.12
Environmentally friendly and pollution-free: Oil-free and non-toxic, in compliance with FDA and EU 10/2011 food-grade standards
Strong corrosion resistance: Resistant to acid, alkali and solvent corrosion, suitable for chemical and Marine environments
Wide temperature adaptability: Stable operation from -200℃ to +250℃, with a momentary temperature resistance of 280℃

Analysis of the six-layer composite structure

1. High-strength base: Super strong steel base

2. Porous transition layer: 25% porosity oil storage structure

3. Nano-reinforcing layer: Carbon fiber reinforced PTFE

4. Surface texture layer: Laser micro-pit oil storage design

5. Anti-corrosion coating: Tin plating or DLC coating is available as options

Product parameters
Base material: stainless steel/carbon steel/bronze (optional)
PTFE layer thickness: 0.3mm - 1.5mm (customizable)
The maximum load is 140 MPa static and 60 MPa dynamic
PV value: 0.6 N/mm²·m/s (dry friction)
Applicable speed: 0.01-2 m/s

Application field

Food and pharmaceuticals: Filling machines, packaging equipment

Automobile manufacturing: Suspension systems, steering mechanisms

Marine engineering: Deck machinery, steering gear

Precision instruments: Optical positioning platforms, medical devices

Why choose us?
Extra-long service life: 5 to 8 times longer than that of metal bushings
Precise compatibility: Supports custom inner diameters ranging from Φ3mm to Φ500mm

Factory photos

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