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Custom CNC Machined Bronze/Steel Metal Bushing OEM Manufacturing Precision Sleeve Bearing Bushing 
We offer a wide range of high-quality industrial bushings (also known as sleeve bearings, plain bearings, or wear sleeves) designed to reduce friction and wear between moving parts in mechanical assemblies. Machined from high-strength materials, our bushings provide excellent load-carrying capacity, durability, and maintenance-free operation for various heavy-duty applications.
Whether you require standard stock sizes or custom-engineered components, our bushings are manufactured to the highest tolerances to ensure perfect fit and extended service life.
| Parameter | Details / Range |
|---|---|
| Material Options | • Stainless Steel (e.g., 304, 316, 17-4PH) • Bronze (e.g., High-Lead Tin Bronze CuSn7Pb15, Tin Bronze CuSn5Pb5Zn5, Aluminum Bronze CuAl10Fe3) • Brass (e.g., CuZn39Pb3) • Aluminum (e.g., 6061, 7075, 2024) • Steel (e.g., Low Carbon Steel, High Carbon Steel, Bearing Steel GCr15) Other materials available upon request |
| Structure / Type | Solid Type / Bimetal Type / Self-Lubricating Type (with solid lubricants) / Sintered Type |
| Inner Diameter (d) | 5 mm - 500 mm (Customizable) |
| Outer Diameter (D) | 10 mm - 600 mm (Customizable) |
| Wall Thickness (s) | 1.5 mm - 50 mm (Customizable) |
| Length (L) | 5 mm - 800 mm (Customizable) |
| Tolerance | Precision to ISO 2768 standard, or as per customer specifications (e.g., Bore: H7, F8) |
| Surface Roughness | Bore: Ra 0.8 μm - 1.6 μm; Outer diameter optimized for assembly requirements |
| Max Dynamic Load (P) | Up to 100 N/mm² (Material Dependent) |
| Max Sliding Speed (V) | 2 m/s - 5 m/s (Material Dependent) |
| Operating Temperature | -40°C to +250°C (Material Dependent) |
| Lubrication Type | Grease Lubrication / Oil Lubrication / Self-Lubricating (with Graphite or PTFE) |
Superior Wear Resistance: Made from durable materials like high-strength brass, bronze, copper alloy, and steel composites, ensuring a long operational lifespan.
Maintenance-Free Operation: Many models (such as self-lubricating types) feature solid lubricant embedded in the material, eliminating the need for external oil lines and reducing maintenance costs.
High Load Capacity: Designed to withstand heavy radial and axial loads, making them suitable for demanding industrial environments.
Corrosion Resistance: Selected materials offer excellent resistance to corrosion, chemicals, and moisture, ensuring stable performance in harsh conditions.
Noise Reduction: The excellent friction properties help dampen vibration and reduce operating noise compared to rolling element bearings.
Easy Installation: Simple cylindrical design allows for easy press-fitting into housings and quick replacement.
We understand that standard sizes may not fit every application. We offer comprehensive OEM/ODM services:
Custom Sizes: Any ID, OD, or Length as per your drawing.
Custom Materials: We can match specific material grades for unique environments.
Special Features: Grooves, holes, flanges, or oil pockets can be added.
Drawing Formats Accepted: AutoCAD, SolidWorks, PDF, or simply a physical sample.
Bronze Bushings: Excellent for heavy loads, shock loads, and low-speed applications.
Brass Bushings: Good corrosion resistance, ideal for marine environments and food machinery.
Self-Lubricating Bushings: Perfect for areas where relubrication is difficult or impossible.
Steel-backed Bushings: Provides high strength with good sliding properties.
Our manufacturing process adheres to strict quality management systems. Each batch undergoes rigorous inspection:
Chemical Composition Analysis: Ensures material standards are met.
Dimensional Inspection: Using CMM, micrometers, and plug gauges.
Visual Inspection: Check for surface defects, burrs, and cracks.
Performance Testing: Hardness and compressive strength tests.
Our bushings are widely used in the following industries:
Agricultural Machinery: Tractors, harvesters, plows.
Automotive Industry: Suspension systems, gearboxes, steering mechanisms, shock absorbers.
Construction Equipment: Excavators, loaders, cranes, bulldozers.
Industrial Machines: Printing presses, textile machines, packaging machines, pumps.
Mining & Quarrying: Crushers, vibrating screens, conveyors.
Marine Equipment: Rudders, propeller shafts, deck equipment.
Inner Packaging: Plastic foam, bubble wrap, or poly bags.
Outer Packaging: Standard cartons or reinforced wooden cases for sea freight.
Shipping: By express (DHL, UPS, FedEx), by air, or by sea (FCL/LCL). We ship worldwide.
1. Are you a factory or a trader?
A: We have our own factory and an international trading company.
2. Do you support product customization?
A: Yes, we mainly customize processing (process customization, material customization, surface treatment customization, etc.). According to your samples or drawings to make samples!
3. What is the payment method?
A: We accept TT (Bank Transfer), Western Union, and L/C.
For a total amount under US$500, 100% in advance.
For total amounts above US$500, 30% in advance, the rest before shipment.
4. What is your MOQ?
A: MOQ depends on our client's needs; besides, we welcome a trial order before mass production.
5. What is the production cycle?
A: It varies a lot depending on product dimension, technical requirements, and quantity. Generally, it takes about 30 days. We always try to meet customers' requirements by adjusting our workshop schedule.
6. Is it possible to know how my product is doing without visiting your company?
A: We will offer a detailed product schedule and send weekly reports with digital pictures and videos that show the machining progress
7. How do you control and ensure product quality?
A: We will prevent beforehand, manage during the event, and guarantee after the event. Confirm with you every detail before quoting. After you order, we will reconfirm all the details. So we can reduce the losses of time and costs.
8. If you make poor-quality goods, will you refund our funds? A: We make products according to drawings or samples strictly until they reach your 100% satisfaction. And actually, we won't take a chance on doing poor-quality products. We are proud of keeping the spirit of good quality.
9. How can I receive a quotation?
A: Please send us your product drawings or picture information via email or message, and we will provide you with a product quotation within 2 working days!
10. How can I get samples?
A: 1) Standard products: We provide free samples under $5.
2) Custom products: We charge 1-3 times the unit price (based on product specifications)
Shipping methods are DHL, FedEx, TNT, UPS, EMS, or others. You need to pay for shipping. Samples will be sent as soon as payment is received!
11. How do I place an order?
A: Please try to provide the following information:
* Product information: specifications, quantity, expected price
* Delivery requirements
*Payment
* Shipping information: name, detailed shipping address, phone number, shipping requirements (courier, air or sea).
* If there is a cooperative freight forwarder, please provide the contact information of the freight forwarder.
* Please send us an official purchase order by email. Or we can provide proforma invoices for you.
12. How to send the product to me?
A: The transportation method is up to you. We can also recommend more economical transportation for you!
For small batches under 30kg, express delivery (DHL, FedEx, TNT, UPS, EMS, or others) is commonly used.
Orders of 30-500 kg can be airlifted to your designated airport.
For large quantities or large volumes, we often use sea freight.
13. Can you arrange the transportation of the goods for me?
A: Yes, we can send you by sea, air or courier.
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