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Buy C90800 Phosphor Bronze Bearing: High-Strength CuSn10 Sleeves & PBC2 Propeller Solutions for Project Upgrades
Struggling with premature wear in heavy-duty marine propellers or industrial gearboxes that spikes your downtime costs?
Discover the C90800 phosphor bronze bearing—your go-to CuSn10 high-strength bronze sleeve supplier for unmatched durability in low-speed, high-load environments.
Known internationally as CAC502A under the Japanese Industrial Standard (JIS H 5120), this phosphor bronze casting alloy (formerly PBC2) aligns with European EN CuSn10 and UNS C90800 designations, ensuring global compatibility and seamless sourcing for your projects. Engineered with 11-13% tin for superior corrosion resistance and fatigue strength, our PBC2-grade bearings outperform standard alloys by extending service life up to 30% in demanding applications. Whether you’re upgrading a ship propeller shaft or optimizing a cement kiln roller, get a custom quote today and slash maintenance expenses with RoHS-compliant, low-lead options tailored for green manufacturing push.
Why C90800 Excels in High-Load Performance
Unlike generic bronze bushings that falter under prolonged stress, C90800 phosphor bronze bearings deliver precision-cast reliability for speeds under 500 rpm and loads exceeding 4000 psi. Ideal for OEMs seeking seamless integration, our CuSn10 sleeves support centrifugal or continuous casting for tighter tolerances and smoother finishes—reducing friction coefficients to 0.1-0.2 without added lubricants. This versatile alloy family, encompassing CAC502A (JIS H 5120 phosphor bronze), PBC2 (legacy naming), CuSn10 (EN standard), and C90800 (UNS), guarantees consistent performance across borders, from Japanese precision engineering to European heavy industry specs.
Key Specifications at a Glance
| Specification Type | C90800 / CuSn10 / PBC2 Value | Buyer Benefit (Why It Matters for Your Project) |
|---|---|---|
| Tensile Strength | ≥345 MPa (50 ksi) | Handles extreme compression without deformation—perfect for propeller upgrades in turbulent waters. |
| Brinell Hardness | ≥95 HB (500 kg load) | Self-lubricating wear resistance cuts replacement frequency by 25%, minimizing unplanned shutdowns. |
| Elongation | ≥12% | Balances toughness with ductility for shock-absorbing applications like heavy machinery pivots. |
| Custom Sizing | OD 0.5-4 inches; Lengths up to 12″ | Precision manufacturing for compact bronze bushings—rapid prototyping with fast delivery and optimized lengths aligned to raw materials for streamlined, efficient production. |
| Corrosion & Temperature | Sea-water resistant; Service <250°C | Low-Pb (<0.25%) formulation ensures EU REACH compliance, future-proofing your supply chain. |
| Density & Modulus | 8.7 g/cm³; Young’s 110 GPa | Lightweight yet rigid design optimizes energy efficiency in EV-integrated pumps and valves. |
Note: All values per ASTM B427 standards; custom heat treatments available for enhanced yield strength up to 170 MPa. Equivalent to JIS CAC502A for Asian markets.
Real-World Applications: From Marine Propellers to Industrial Powerhouses
Tailored for sustainability mandates, our C90800 propeller bearings shine in scenarios where reliability trumps cost.
Marine Propeller Bearing Upgrades
In the shift to hybrid vessels, C90800 phosphor bronze bearings replace outdated alloys in propeller shafts, enduring saltwater immersion and vibrational loads for over 10,000 hours.
Case Spotlight: A Nordic ferry operator swapped standard sleeves for our PBC2 variants, boosting thrust efficiency by 15% and cutting fuel use amid rising emissions regs—delivered with on-site fit verification for zero retrofit hassles.
Heavy Industrial Gearbox Sleeves
For cement plants or mining excavators, high-strength CuSn10 bronze sleeves absorb radial forces in worm gears, preventing galling in dusty, high-torque setups.
Pro Tip: Pair with graphite inlays for boundary lubrication in oil-scarce environments, extending MTBF (mean time between failures) by 40% over aluminum alternatives.
Emerging EV & Renewable Energy Fits
As electric drivetrains proliferate, our phosphor bronze bearings support low-friction valve actuators in wind turbine yaw systems or EV transmission housings.
Innovation Edge: Unlike rigid cast irons, C90800’s 13% elongation enables vibration-dampening designs, ideal for next-gen offshore wind farms facing erratic gusts.
C90800 vs. Competitors: A Quick Edge Comparison
C90800 (CAC502A/CuSn10/PBC2) shines with high-tin (11-13%) for 20-30% better fatigue resistance and low-lead eco-compliance. Below is a streamlined view of its advantages in key properties and targeted parts.
| Competitor Alloy | Key Edge for C90800 | Specific Application Parts Where It Wins | TCO Benefit |
|---|---|---|---|
| C93200 Leaded Bronze | 20% higher fatigue (140 MPa vs. 110 MPa); low-Pb (<0.25%) for REACH/RoHS. | Worm gears in cement kilns; excavator bushings. | 25% longer life, 15% lower compliance costs. |
| C95400 Aluminum Bronze | No pitting after 5,000 sea-water cycles; ~30% machinability for easy CNC. | Propeller shaft sleeves; wind turbine yaw bushings. | 40% fewer replacements, 10-20% less tooling. |
| C51000 Phosphor Bronze | 25% superior endurance limit; ≥95 HB hardness. | Automotive transmission liners; railway axle bearings. | 30% MTBF boost, multi-standard compatibility. |
Backed by phosphorus deoxidation for flawless microstructures, these bearings aren’t just components—they’re your strategic upgrade for cost-per-hour dominance.
Ready to Buy? Secure Your Custom C90800 Quote Now
Don’t let subpar bearings bottleneck your operations. Share your key specs—like OD/ID (5-100mm range), load rating, and application (e.g., “propeller bearing marine”)—via our quick RFQ form or email for a binding quote within 24 hours. Bulk orders over 500 units qualify for 10-15% volume discounts, plus free expedited shipping on prototypes.
Upgrade to high-strength reliability—your bronze bushing & bearing projects deserve it!
