Bi-metal Split Bushing With Steel Backing And CuPb24Sn4 Lead Bronze Lining. Pre-machined Oil Holes And Oil Grooves. High Load Capacity, Good Wear Resistance.
Product Details
| Max Static Load: | 250 N/mm² | Max Dynamic Load: | 150 N/mm² |
|---|---|---|---|
| Max Operating Speed: | 2.5 M/s | PV Value Limit: | 12 N/mm² · M/s |
| Operating Temperature Range: | -40 ℃ ~ +150 ℃ | Lubrication: | Oil Lubrication Recommended; Grease Lubrication Acceptable For Low Speed |
| Coefficient Of Friction: | 0.008 ~ 0.08 (oil Lubricated) | ||
| Highlight |
bronze bimetallic bearings,bronze bi metal journal bearing,oil holes bimetallic bearings |
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Product Description
1. Material Specification
- Backing: Low carbon steel (ST12 / 10# steel), high mechanical strength, good load-bearing capacity
- Inner layer: CuPb24Sn4 lead bronze alloy, excellent anti-friction & wear resistance, good embedability
- Structure: Bimetal composite, rolled split type, pre-notched joint design for easy installation
2. Dimensional & Tolerance
- Dimension: Customizable ID / OD / Width according to drawing
- Outer Diameter Tolerance: ISO H7
- Inner Diameter Tolerance: ISO F7 after press fit
- Surface Roughness:
- Steel outer surface: Ra ≤ 1.6 μm
- Bronze sliding surface: Ra ≤ 0.8 μm
- Oil holes & oil grooves: Pre-machined radial oil holes + axial oil grooves for lubricant retention
3. Features
1. Split joint design, convenient assembly and replacement
2. Steel base provides high rigidity; bronze inner layer delivers low friction
3. Built-in oil grooves and oil holes maintain continuous lubrication film
4. Good conformability, anti-seizure and dirt embedding property
5. Resistant to impact load, widely used for heavy duty rotating parts
6. Can be manufactured per OEM drawings & samples
4. Typical Application
- Heavy duty truck trunnion / balance shaft
- Construction machinery, engine connecting rod, gearbox
- Agricultural machinery, hydraulic equipment, general industrial gear units
- Automotive brake camshaft, chassis hinge components
5. Quality Standard
- Compliance: ISO 3547, ISO 9001
- Inspection: 100% dimensional check, material composition test, metallographic examination
- Surface treatment: Steel outer surface anti-rust oil coating
Product Highlights
1. Material Specification - Backing: Low carbon steel (ST12 / 10# steel), high mechanical strength, good load-bearing capacity- Inner layer: CuPb24Sn4 lead bronze alloy, excellent anti-friction & wear resistance, good embedability- Structure: Bimetal composite, rolled split type, pre-notched joint ...
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