OILLESS BEARING
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High performance, low speed, low temperature, corrosive atmosphere, foreign material inflow, impact load and vibration, non-lubrication in the structure, or lubrication where it is ineffective even when lubrication is realized. It can be used as a bearing for high performance plastics, depending on the usage conditions, ranging from metals, copper, teflon and ceramics.
Using Field
- Areas that cannot be refueled structurally and areas that are dangerous for.
- Areas where products are contaminated or defective due to lubrication.
- High and low temperature, (sea) underwater, chemical contact areas.
- This is an area to prevent productivity decrease due to machine stoppage when refueling.
- Fields that are ineffective even with refueling under severe use conditions such as stop bundle motion.
- Shock and vibration field, high load, low speed motion field, green (blue) generation field, foreign substance penetration field.
- SLIDING motion, angular swing motion.
Necessity
- It is used for the parts where ball and roller bearing cannot be used because of various materials and shapes.
- When refueling, it can prevent productivity decrease due to machine stoppage.
Pros and cons of Lubrication method
| Dry lubrication (using solid lubricant) | Fluid Lubrication (Lubrication or Water Lubrication) | |
|---|---|---|
| Advantages | – High speed low speed, reciprocating motion, impact load
-Angular swing movement, discontinuous stop bundle movement -100% oil-free -Corrosive atmosphere -Low temperature-high temperature |
-Light to heavy load, high speed rotation
(Fluid Lubrication = Lubrication Oil Film Formation) |
| Disadvantages | – Not available for high speed (Low speed principle)
-High oil pressure, high friction coefficient Friction may occur when used. |
-No use at high or low temperature
-Regular refueling required -Oil film can not be formed under high load -No corrosive atmosphere -Impact movement, angular swing movement and non-stop fastening |
Main application fields
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High Temperature |  |
Anti-Chemical |
| – Steel mill – Ovens – Furnace dragoughs – Kilns – Rpasters – Heat exchanges – Vulcanizing cars |
– Chemical plants – Plaing equipment – Waste water treat equip. – Drying machines – Oil & chemical refinery equip. |
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Automobile Manufactureing |  |
Heavy Industries |
| – Press dies – Welding, Assembly line – Painting & Drying lines – Chain conveyers – Machine tools |
– Steel tube lpant machinery – Tire & paper mills – Earth mobing equip. – Power generating stations – Toggle link bearings for injection mold machines |
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Water – Resisting |  |
Construction, Mining m Loading |
| – Dam gates – Submersible pumps – Hydro-electric structure – Off-shore structures – Dock and dredge equipment |
– Mixers, Grinders, Pulverizer – Contruction machines – Mining & rigs – Conveyer & chain – Arm link bearings – Power shovels |
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Vessels |  |
Bridge & Elevated Rail |
| – Deck cranes – Winches – Hatch covers – Rudder arms – Windlass – Derrick & hoisting equipment |
– Bridge bearings – Roller gates – Plate girder, Truss, Suspension – Nuclear related reactor supports – Steam generator supports |
