High Load Flanged Self-Lubricating Copper Bushing, JFB Flange Graphite Embedded Bronze Bushing, Oil Free Sliding Bearing for Construction Machinery
Product Details
| Product Name: | Flanged Graphite Bronze Self Lubricating Bushing (JFB Series) | Base Material: | High-strength Brass / High-Leaded Tin Bronze / CuZn25Al5 (C86300) |
|---|---|---|---|
| Surface Roughness: | Ra 0.4~0.8 μm | Max Load Capacity: | ≤250 N/mm² |
| Max Linear Speed: | ≤0.5 M/s | Working Temperature: | -40℃ ~ +250℃ |
| Friction Coefficient: | 0.08 ~ 0.16 (dry Running) | Tolerance Grade: | E7 / R6 |
| Lubrication Condition: | Oil-free / Periodic Grease Lubrication Optional | Characteristic: | Flange Shoulder For Axial Positioning, Impact Resistance, Maintenance-free |
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Product Description
Product Overview
This flanged graphite bronze bushing (JFB / MPFZ series) is a solid self-lubricating sliding bearing made of high-strength brass alloy with embedded solid graphite lubricant dots. The flange shoulder provides axial positioning, simplifies installation and prevents axial displacement. The embedded graphite works as solid lubricant, realizing oil-free or low-oil running conditions. It eliminates the need for continuous grease refilling, suitable for heavy load, low speed, high temperature, impact and hard-to-lubricate working environments.
Our flanged bronze bushings are widely applied in injection molds, die casting molds, CNC machine tools, automation equipment, construction machinery, hydraulic cylinders, textile machines and heavy-duty mechanical articulated joints.
Key Features
✅ Self-lubricating Performance: Embedded solid graphite lubricant, oil-free operation, reduce maintenance cost
✅ High Load & Wear Resistance: High strength brass alloy base, excellent compressive resistance and anti-wear property
✅ Flange Shoulder Design: Built-in flange for axial location, easy mounting, anti-offset
✅ Wide Temperature Range: Works from -40℃ ~ +250℃
✅ Low Friction Coefficient: Stable friction performance under low speed & heavy load
✅ Customizable Sizes: Support OEM & ODM, custom inner diameter, outer diameter, length and flange dimension
✅ Corrosion Resistance: Good anti-corrosion performance in humid environment
Technical Parameter Table
| Item | Specification |
|---|---|
| Product Name | Flanged Graphite Bronze Self Lubricating Bushing (JFB Series) |
| Base Material | High-strength Brass / High-Leaded Tin Bronze / CuZn25Al5 (C86300) |
| Solid Lubricant | Embedded Graphite Pellets |
| Surface Roughness | Ra 0.4~0.8 μm |
| Max Load Capacity | ≤250 N/mm² |
| Max Linear Speed | ≤0.5 m/s |
| Working Temperature | -40℃ ~ +250℃ |
| Friction Coefficient | 0.08 ~ 0.16 (dry running) |
| Standard Sizes | ID: 5mm~120mm, customizable |
| Tolerance Grade | E7 / r6 |
| Lubrication Condition | Oil-free / Periodic grease lubrication optional |
| Characteristic | Flange shoulder for axial positioning, impact resistance, maintenance-free |
Application Fields
- Mould industry: Injection mold, stamping die, die casting mold guide bushing
- Engineering machinery: Excavator boom hinge, crane, hydraulic cylinder articulated points
- Automation & CNC: Automation equipment, machine tool sliding components, robot joints
- General machinery: Textile machinery, packaging machine, pump and valve parts
- Heavy-duty equipment: Mining machinery, agricultural machinery
Package & Delivery
- Package: Anti-rust oil + plastic bag + carton packaging
- Supply Ability: Mass production, support small trial order
- Delivery: Stock items 3~7 days, customized parts 7~15 days
- Service: CAD drawing support, sample available, dimension inspection report
Our Advantage
We are professional manufacturer of self-lubricating bronze bushings. We strictly control raw material and CNC machining precision. All products pass dimensional inspection before shipment. We can produce non-standard flanged graphite copper bushings according to customer drawings or samples.
Product Highlights
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