Anhui, China
Business Type:
Management System Certification:
ISO 9001
OEM/ODM Service
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Bearing, Lubrication Bearing, Bearing Bush manufacturer / supplier in China, offering Self Lubrication Bronze Bearing Bush, Cast Bronze Self Lubricating Sleeve Bearings for Motorcycle Parts, Plain Bushing for External Gear Pump and so on.

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Self Lubrication Bronze Bearing Bush

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Min. Order / Reference FOB Price
1,000 Pieces US $3-4/ Piece
Port: Shanghai, China
Production Capacity: 50000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Bearing Structure: Split Plain Bearing
Type of Lubricant: Oil-Lubricated Bearing
Lubricant & Load: Hydrodynamic Bearing
Bushing Material: Self-Lubrication
Bearing Direction: Radial
Lubricating Way: Maintenance-Free Bearing

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Basic Info

Model NO.: SF-2
Lubricating Film Thickness: Thin Film Lubrication
Trademark: superstar
Transport Package: Standard Exort Carton Pack
Origin: China

Product Description

1.SF-2 is trip-layer self lubricating material that can fill modified POM plastic as surface layer;it is benignant boundary lubrication material,therefore,it is particularly applicable high-load low-speed rotating and wing movement,as well as in the condition that frequent loaded start-stop is the requirement while hydrodynamic lubrication membrane is difficult to form,in the parts such as bearing,thrust washer,sliding block,ball socket and so on.SF-2 can take full advantage of less grease to work long time without lubrication maintenance under boundary lubrication condition.But under oil-free condition,SF-2 the frictional behavior and permissible PV value is relatively low,so generally storage pit can be formed on the plastic surface,where lithiumbased lubricant grease or silicone grease and so on should be applied when being installed.
2.SF-2 material follows special wearing rule as shown in Fig.4,infinitesimal abrasion can occur in R phase when being applied with grease and then being installed.But after the R phase,the boundary lubrication condition will disappear and wearing will be exaggerated.If you do refill with oil,the product can be drastically held by non-remarkable wearing and its life will also be greatly extended.Therefore the advantage of SF-2 material is that oil shall be added with an interval of R,which is remarkably longer that that of R other metal materials.It is approximately five times as long.
3.When SF-2 bush is installed with application of grease such as lithiumbased or silicone grease,its service life varies from the PV value under working condition,for instance,when PV value is about 2.5MPam/s,its can be above 10,000hr(see the table for details)
The cycle R of lubrication maintenance of SF-2bush is about the half of its service life.For instance,when PV=25Mpam/s,it is required to be oil-lubricated every 100hr.
PV limitDry2.8N/mm².m/s
Friction Coeff.0.05~0.25μ
Speed limit0.25m/s
Thermal conductivity2.03Kcal/
Coeff.of linear expansion51×10-6 perºC
Initial pre-lubrication at assembly required

Self Lubrication Bronze Bearing Bush
Noted: bearing size besides above mentioned sizes, can be customized and produced. Customer please offer us the dimensions

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