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| Place of Origin: | China |
| Brand Name: | TOB POM Boundary Lubricating Bearings |
| Certification: | ISO 16949 |
| Minimum Order Quantity: | negotiated |
|---|---|
| Price: | negotiated |
| Packaging Details: | Cartons and Pallets |
| Delivery Time: | negotiated |
| Payment Terms: | T/T |
| Supply Ability: | negotiated |
| Material: | Low-Carbon Steel + Porous Bronze + POM | Types: | Wrapped Bushes, Thrust Washer |
|---|---|---|---|
| Application: | Vehicle Chassis, Forming Machine Tools, Steel Metallurgical Machinery, Mineral Mountain Machinery, Hydraulic Industry And Rolling Steel Industry, Etc. | Working Temperature: | -40~+120℃ |
| Max. Load: | Static 250N/mm², Dynamic 140N/mm² | Hardness: | >270 HB |
| High Light: | pom bearing,sleeve bearing bushing |
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Self Lubricating Bearings Black POM + Low-Carbon Steel + Porous Bronze
It is made of high quality low-carbon steel, sintered porous bronze as its interlayer, with the compound of POM& PB as its surface. And has good load capacity & wear-resistant. It's used in vehicle chassis, forming machine tools, steel metallurgical machinery, mineral mountain machinery, hydraulic industry and rolling steel industry, etc.
Physical and Mechanical Performance
| Performance Index | Data | Performance Index | Data | ||
| Max. Load | Static Load | 250N/mm² | Friction Coefficient | Grease Lubrication | 0.15~0.25 |
| Dynamic Load | 140N/mm² | Oil Lubrication | 0.05~0.15 | ||
| Oscillation Load | 70N/mm² | Mating Axis | Hardness | >270 HB | |
| Linear Velocity | Grease Lubrication | 2.5 m/s | Roughness | Ra=0.4~1.25 | |
| Oil Lubrication | >3 m/s | Working Temperature | -40~+120℃ | ||
| Max. PV value | Grease Lubrication | 2.8 N/mm²·m/s | Heat-conducting Coefficient | 52 W/(m*k) | |
| Oil Lubrication | 50 N/mm²·m/s | Heat-expansion Coefficient (Axial) | 11*10^-6k | ||
Physical and Mechanical Performance
Normally, the surface polymer is chemical-erosion resistant quality. So its erosion-prevention quality is primarily decided by the quality of the steel back and its plating layer. Air-erosion could be effectively prevented if the steel back is bronze or tin-plated. If the bush is to be used in erosive environment, the steel back needs to be plated with zinc, nickel or nickel-chrome ally, etc.
Tel: +8618967361221
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