TCB90 Wrapped Bronze Bushing
Structure Characteristics and Applications
TCB900/TCB902 wrapped bronze bushing is made of tin-bronze CuSn8P. The surface of TCB900 is punched with diamond oil sockets which are preserved for oil saving. The surface of TCB902 is punched with oil apertures by certain angle and density; therefore it’s easier to form an oil film when the bushing works. The products have good anti-fatigue, anti-erosion, anti-abrasion and load capacity. The products are widely applied in conditions of heavy load but low running velocity, such as on agricultural, building and engineering machines.
Physical and Mechanical Performance
Physical and Mechanical Performance
| Performance Index | Data | |
| Max Dynamic Load | 100N/mm2 | |
| Max Linear Velocity（Grease） | 2m/s | |
| Max PV value（Grease） | 2.8m/s | |
| Tensile Strength | ||
| Yield Strength | ||
| Hardness | ||
| Mating Axis | Hardness | ≥50HRC |
| Roughness | 0.4~1.0HRC | |
| Working Temperature | -40~+150℃ | |
| Friction Coefficient | 0.06~0.15μ | |
| Heat Conducting Coefficient | 58W/(m·k) | |
| Heat Expansion Coefficient | 18.5×10-6/K | |
Alloy Chemical Compositions
Alloy Chemical Compositions
| TCB900 /TCB902 | Cu | Sn | P |
| Rest | 7~9% | 0.2~0.4% |
Main Factors that Influence the Service life of the Bushing
Main Factors that Influence the Service life of the Bushing
1).PV ValuePV value is an effective criterion to calculate the service life of TCB900/TCB902. If there is need to prolong the service Life, PV value must be reduced.
2).Environment Temperature
Service life of the TCB900/TCB902 will shorten in higer ambient temperature .
3).Roughness
Service life of TCB900/TCB902 can be greatly improved if its mating axis is made of chrome-plated stainless steel with hardness more than 50HRC and surface roughness among 0.4~0.63.
Oil Sockets Format
Oil Sockets Format
Besides the standard products displayed in the list of this catalogue, we can also supply non-standard products or develop according to customer design.
TCB90 Classification
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TCB 900
TCB900 bronze wrapped bushing, with diamond oil socket to preserve oil grease. It has good anti-fatigue, anti-erosion and anti-abrasion and load capacity. Its material is CuSn8P. It can be produced by different tin-bronze material and the surface can be produced...
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TCB 901
TCB901 bronze wrapped bushing, with material CuZn31Si. It has good anti-fatigue, anti-erosion and anti-abrasion and load capacity. It can be produced by different bronze material and the surface can be produced with other type of oil socket and oil groove in...
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TCB 902
TCB902 bronze wrapped bushing, which surface is punched with oil apertures by certain angle and density. It has good anti-fatigue, anti-erosion and anti-abrasion and load capacity. Its material is CuSn8P. It can be produced by different tin-bronze material and the...
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TCB 904
TCB904 is improved from product TCB902. It is configured airproof ring on the bushing height. It can prevent grease leaking and dirt penetrating, so as to delay lubricating time.
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TCB 905
TCB905 is improved from product TCB900. The special solid lubricant is imbedded into diamond oil sockets on surface. It has very low friction coefficient and good wear-resistance. It is used to the condition of no or little oil.
Product Classification
TCB10 Self-Lubricating Multilayer Composite Bushing TCB20 Boundary Lubricating Bushings TCB30 Bimetal Bushing TCB40 Oil Sintered Bearing TCB50 Solid Lubricating Bearing TCB60 Steel Bearings TCB70 Spherical plain bearing TCB80 Casting Bronze Bearing TCB90 Wrapped Bronze Bearing TCB-21 Filament Wound High Load Self-lubricating Bearings
