Bi-Metal Bushings Manufacturers & Suppliers in the China
Customer service, serving a wide range of tractors self-lubricating bronze bushings. Whether you need clutch bushings, engine bimetal bearings, steering bimetal bushings, or hydraulic sliding bearings parts, we likely have the right self-lubricating bearings part for your tractor. We have been working hard here in china to get more quality tractor bushing parts at reasonable prices. We look forward to more items being regularly loaded and look forward to any and support your business.
Standard sizes have grease grooves on the work surface. For standard bearings, the steel base is usually copper plated to improve corrosion resistance. The lead bronze layer allows these bearings to be used with relatively long lubrication intervals.
Bimetallic bearings can be fabricated with a thicker layer of lead bronze for applications where the bearing must be machined after installation. The layer material can be tailored to the specific needs of a particular application.
Bi-metal bearings Manufacturer,Wrapped composite sliding bearing,
Copper-plated or tin-plated steel/bronze, With lubrication pockets or oil holes
Bimetal bearings with high quality steel backed as substrate, the surface of the sinter with low friction properties of Sliding layer
(CuPb10Sn10, CuPb6Sn6Zn3 CuPb24Sn4, CuPb30, AlSn20Cu or CuSn8Ni) as wear-resisting layer of bimetal bearing,
can need according to the operating conditions of Sliding layer surface processing of various types of oil tank, oil hole, etc.,
in order to suit to cannot continue to go hard or go occasion.Good bonding strength and optimum bearing capacity can be obtained by secondary sintering and secondary extrusion.
|Pb(%) ||Fe(%) ||Ni(%) ||Zn(%) ||Cu(%) |
|8.0-11.0 ||≦0.25 ||≦1.5 ||≦2.0 ||78.0-87.0 |
|（Tensile strength）σb (MPa) ||≥220 |
|（The yield strength）σ (MPa) ||≥140 |
|（Elongation） δ5 (%) ||≥5 |
|（hardness） ||≥70HBW |
|Sn(%) ||Zn(%) ||Pb(%) ||The magazine(%) ||Cu(%) |
|5~7 ||5~7 ||2~4 ||≦1 ||82~88 |
|(Ultimate dynamic load:) ||60N/mm2 |
|(Friction coefficient:) ||<0.15 |
|（hardness） ||≥80~100HBW |
|CuPb30（high lead） |
|Pb(%) ||Fe(%) || P(%) ||Mn(%) ||Cu(%) |
|27.0～33.0 ||≦≤0.5 ||≦0.08 ||≦0.3 ||62.5-72.5 |
|Pb(%) ||Sn(%) || p(%) ||Mn(%) ||Cu(%) |
|19~27 ||3~5 ||≦0.08 ||≦0.3 ||67~77 |
|（hardness） ||45~80HBW |
|Al(%) ||Sn(%) ||Cu(%) ||Fe(%) ||Other magazines(%) |
|rest ||17.5~22.5 ||0.7~1.3 ||≦0.4 ||≤0.5 |
|（hardness） ||≥34~36HBS |
|CuSn6.5P0.1（lead free） || |
|Cu(%) ||Sn(%) ||P(%) ||other(%) || |
|rest ||6~7 ||0.1~0.25 ||≦0.5 || |
|（hardness） ||60-90HBW || |
Bimetal Bearing Application Field
Construction machinery: chassis walking mechanism supporting wheel shaft sleeve, towing wheel shaft sleeve, tension wheel shaft sleeve; Automobile industry: balance shaft bushing, steel plate pin bushing, steering knuckle-main shaft bushing, connecting rod bushing, valve rocker arm bushing, camshaft bushing, differential bushing, gearbox bushing, internal combustion engine spindle bushing, thrust gasket; And plunger pump side piece, gear pump side piece, etc.
- Housing ：ØH7
- Bushing inner-Ø after mounting：H9
- Shaft tolerance：f7 to h8
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Special dimensions are available on request