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David from CanadaOur company import the bronze gleitlager from viiplus china,viiplus professional team makes sure customs clearance is always smooth. They provide an accurate bronze bushing classification, handle all the paperwork,We have received the self-lubricating bronze bushings. They look well done and the high quality. -
Valerie from CaliforniaWe import the bronze gleitlager from China to under the incoterm FOB shanghai, sometimes by Air. viiplus is a very good bronze gleitlager supplier, they are very professional and patient, after we inform the new order, they will manufacturer bronze gleitlager in time and give us the schedule , and then we just need to receive the bronze parts -
Daisy From GermanyThe best surface finishes for Sleeve Bearing, tighter concentricity, and bronze bushings material uniformity. The good supplier of standard inch and metric sleeve bearings and bushings from china. https://www.bronzelube.com/
Contact Person :
Tiffany
Phone Number :
+86 18258386757
Whatsapp :
+8618258386757
Excavator Track Idler Bushing
| Place of Origin | made in china |
|---|---|
| Brand Name | VIIPLUS |
| Certification | ISO 9001 |
| Model Number | Track idler Bushing |
| Minimum Order Quantity | negotiable |
| Price | Negotiable |
| Packaging Details | EXPORT CARTON WOOD PALLET WOODEN CASE |
| Delivery Time | 7-25 work days |
| Payment Terms | T/T |
| Supply Ability | 1000000 Piece/Pieces One week |
Contact me for free samples and coupons.
Whatsapp:0086 18588475571
Wechat: 0086 18588475571
Skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xProduct Details
| Track Idler Bushing | Sleeve Bushing | Size | Metric Size, Or Customize Size |
|---|---|---|---|
| Service | OEM Customized Services | Application | Machinery Excavator |
| Bush Types | Sleeve Bushing | Material | Bimetal |
| Bearing Bushing Factory Price | Tiffany@viiplus.com | Self-lubricating Bearing Bushing Manufacturer | Https://www.viiplus.com/ |
| High Light | PTFE Coated Self Lubricating Plain Bearing, Teflon Self Lubricating Plain Bearing, Steel Backed Self Lubricating Plain Bearing | Characteristic | Втулки скольжения (биметаллические подшипники скольжения) |
| Dry Slide Bearing | Self Lubricating Plain Bearing Work In High Temp & Submerged Applications Where Grease, Oil & Plastics Fail. Reduced Costs & Downtime. Non-galling. Increased Reliability. Run Dry & Keeps Running. | Bush Bearings Manufacturers Suppliers Exporters | Plain Bearings. Long, Maintenance-free Service, Manufactures Bushings In Various Designs And From Different Materials. Tiffany@viiplus.com, Bushings - Configure And Purchase - Https://www.viiplus.com/ |
| High Light | Excavator Idler Bushing,Bimetal Idler Bushing |
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Product Description
Track idler Bushing, Bushing Supplier ...
Excavator Track Idler Bushing ...
HYDRAULIC EXCAVATOR BUSHINGS
BIMETAL BUSHING WITH COPPER PLATE
China Track Roller Bushing, Track Pin Bushing, Bulldozer & Excavator Sleeve Bushings Parts, Find details about China Self-lubricating Bearings ...
720 is a bimetal bearing with steel back and sintered CuPb24Sn4 as lining. This type has fairly good performance in anti-fatigue and heavy load capacity. It is suitable for middle-speed and middle load. When the soft alloy is plated on the bushing surface and with oil lubrication, it can be applied in the high-speed internal combustion engine and connect-rod.
| Lead bronze alloy | CuPb24Sn4 | Temperature Max | 170℃ |
| Load capacity | 38N/mm² | Harderness alloy | HB45~70 |
CuPb24Sn4 bimetallic bearing bushes
Structure
- Steel Backing and Bronze Alloy Overlay
Composition
- Steel + CuPb24Sn4 bronze alloy
Bimetal Bearing 720 Technical Data
| Max. sliding speed V(m/s) | 2.5 m/s | |
| Max. PV factor (N/mm2.m/s) | 2.8 N/mm2.m/s | |
| Operating Temperature | Max. Greased | 150°C |
| Max. Oil lubricated | 250°C | |
| Coefficient of friction | Greased | 0.05~0.12μ |
| Oiled | 0.04~0.12μ | |
| Surface roughness (Ra) | ≤0.8 µm | |
| Alloy Layer Hardness (HB) | 45-70 | |
| Coeff. Of linear expansion |
18x10-6/K |
|
Bimetal Bearing Characteristics
- Particularly suitable for high specific loads with oscillating movement and low frequency.
- Applicable in difficult operating conditions
- High load capacity, very good resistance to fatigue at high temperatures.
Typical Application
CuPb24Sn4 bimetallic gearbox bushes 720 is widely used in High speed, heavy load engine main shaft and transmission gearbox etc.
The designing of oil indentations |
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| In order to fully lubricate the bush when in the performance, the indentations with size as follow are recommended. They should be manufactured according to the standard below if without special requirements. | ||||||
| Bush O.D | More than to | 14~22 | 22~44 | 40~50 | 50~100 | 100~180 |
| Lubricating hole | 3 | 3 | 3 | 6 | 7 | |
| The lubricating hole should be away from butt joint and loading area and designed to be easy-oil-feding as well. | ||||||
Normal thickness of the JF bimetal and their tolerances |
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| Tolerance Thickness | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 5 |
| Thickness of steel backing |
0.6 | 1 | 1.4 | 1.9 | 2.3 | 2.8 | 3.2 | 4 |
| Thickness of bronze leyer |
0.4 | 0.5 | 0.6 | 0.6 | 0.7 | 0.7 | 0.8 | 1.0 |
| Manufactuable wall thickness |
1+0.25 +0.15 |
1.5+0.25 +0.15 |
2+0.25 +0.15 |
2.5+0.25 +0.15 |
3+0.25 +0.15 |
3.5+0.25 +0.15 |
4+0.25 +0.15 |
4+0.25 +0.15 |
| Manufactued wall thickness |
1-0.025 | 1.5-0.03 | 2-0.035 | 2.5-0.04 | 3-0.045 | 3.5-0.05 | 4-0.055 | 4-0.06 |
JF Bimetel Bushing chemical composition |
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| Tolerance Thickness | JF-800 | JF-720 | JF-700 | JF-20 |
| Cu | Remainder | Remainder | Remainder | 0.7~1.3 |
| Pb | 9.0~11.0 | 21.0~27.0 | 26.0~33.0 | - |
| Sn | 9.0~11.0 | 3.0~4.5 | 0.5 | 17.5~22.5 |
| Zn | 0.5 | 0.5 | 0.5 | - |
| P | 0.1 | 0.1 | 0.1 | |
| Fe | 0.7 | 0.7 | 0.7 | 0.7 |
| Ni | 0.5 | 0.5 | 0.5 | 0.1 |
| Sb | 0.2 | 0.2 | 0.2 | - |
| Ai | - | - | - | Remainder |
| Si | - | - | - | 0.7 |
| Mn | - | - | - | 0.7 |
| Ti | - | - | - | 0.2 |
| Other | 0.5 | 0.5 | 0.5 | 0.5 |
JF Bimetel Bushing Physical properties |
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| Physical properties | JF-800 | JF-720 | JF-700 | JF-20 | |
| Max. static load pressure N/mm2 |
150 | 130 | 120 | 100 | |
| Tensile strength N/mm2 |
150 | 150 | 200 | 200 | |
| Max. speed(oil) m/s | 5 | 10 | 15 | 25 | |
| Friction coef(Oill) | 0.06~0.14 | 0.06~0.16 | 0.08~0.16 | 0.08~0.17 | |
| PV limit N/mm2 m/s |
Grease | 2.8 | 2.8 | 2.5 | - |
| Oil | 10 | 10 | 8 | 6 | |
| “Sapphire Fatigue Calss Mpa | 125 | 115 | 105 |
85 |
|
Application
Widely used in metallurgical equipment, instrumentation and mining machinery, ship machinery.
47*40*30
54*47*35
57*50*35
67*60*35
72*65*40
110*102*100
125*115*78
135*125*83
110*100*90
110*102*100
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