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SINTERED BRONZE BUSHING 20X28X20

Premium Quality Sintered Bushing

DALON SLEEVE BUSHING

Product Overview

Product Specifications

Manufacturer DALON
Material OIL IMPREGNATED BRONZE
Type SLEEVE BUSHING
Working Temperature ?/td> From - 40°C to + 220°C
Product Code BBZ202820
Density (g/cm³) 6.5
HS Code 84839000
Hardness HRB 30~50
Static Load (Mpa) 3000 PSI
Max Speed (m/s) 8 m/s
Max PV (dry)

Technical Drawings & Dimensions

brass sleeve bushing Technical Drawing

Product Dimensions

I.D.(d) 20
I.D. (d1)
O.D. (D) 28
O.D. (D1)
Length (L) 20
Flange Dia. (fd)
Flange Thickness (fl)
General Tolerance F7 r7 js13
Weight(ref)/Gram 40.00
Minimum Order Qty 40KGS
All dimensions in millimeters (mm) unless otherwise specified.

Product Description

Sintered Bronze Sleeve Bushing – For Pumps, Motors & Tools

SINTERED BRONZE BUSHING 20X28X20 Additional image 1

DALON’s 20×28×20 mm brass sleeve bushing is a high-performance sintered bronze bearing designed for industrial and mechanical applications requiring silent operation, high durability, and self-lubrication. Produced using powder metallurgy, the bushing features an interconnected porous structure that retains lubricating oil, enabling extended dry operation without additional maintenance.

This sleeve-type configuration is ideal for rotary motion systems, especially where regular greasing is impractical or impossible. Its 20 mm inner diameter and robust bronze composition make it suitable for medium-duty shafts and housing assemblies.


Key Features

  • Dimensions: 20 mm ID × 28 mm OD × 20 mm Length

  • Material: Sintered bronze (typically Cu90/Sn10 alloy)

  • Type: Sleeve bushing, cylindrical shape

  • Self-lubricating – no external lubrication needed

  • Uniform porosity for consistent oil dispersion

  • Quiet, vibration-damping operation

  • Excellent load distribution and wear resistance


Applications

  • Electric motors and fan units

  • Agricultural and forestry equipment

  • Industrial automation shafts

  • Power tools and drive systems

  • HVAC actuators and compressors

  • Office machines, textile devices, and conveyors


Why Choose DALON

DALON is an ISO 9001:2015-certified global manufacturer of precision sintered bronze bushings. Our brass sleeve bushings are trusted by OEMs worldwide for their stability, efficiency, and long life in demanding applications. Every product is precision-formed and quality-checked to meet high mechanical and dimensional tolerances.

We support full OEM customization in shaft size, bushing tolerances (H7/H9), material formulation, or mounting style (flanged, washer-included, special groove options). Our engineers are available to optimize bushing selection for your exact mechanical system.


FAQ – Frequently Asked Questions

Q1: What is the difference between a sleeve bushing and a flange bushing?
A sleeve bushing is cylindrical and fits flush within a housing, while a flange bushing includes a collar for axial positioning or load-bearing.

Q2: Does this bushing require oil or grease?
No. It is self-lubricating. Oil is impregnated in the sintered bronze during manufacturing, allowing maintenance-free use.

Q3: Can this size handle heavy radial loads?
Yes. The 20×28×20 size is designed for moderate to high radial loads in industrial settings.

Q4: Is this bushing suitable for oscillating motion?
Yes. It is ideal for both rotary and oscillating movements due to its low-friction surface and load capacity.

Q5: Can I order this bushing with tighter tolerances?
Yes. DALON provides tailored machining or sizing upon request, including precision ID grinding or reaming.

Q6: What industries use brass sleeve bushings?
These are widely used in automotive, power tools, agricultural machinery, HVAC, packaging equipment, and mechanical design applications.

Additional image 2
Smooth and silent – this 20×28×20 mm brass sleeve bushing delivers long-lasting, self-lubricated performance in mechanical systems.

Applications & Industries

sintered bronze bushing Applications

DALON Sintered Bronze Bushing Applications

The versatility of SINTERED BRONZE BUSHING 20X28X20 makes them ideal for numerous applications, including:

Key Industries

  • Automotive Industry - Engine components, transmission systems, and suspension parts
  • Industrial Machinery - Hydraulic systems, pumps, and heavy equipment
  • Agricultural Equipment - Farm machinery and irrigation systems
  • Power Tools - Electric motors and gear systems

Technical Specifications

PV Value

  • ?Maximum PV value: 2.8N/mm²*m/s
  • ?Suitable for medium to high load applications
  • ?Oil-impregnated for self-lubrication

Load Capacity

  • ?Dynamic loads: 6 to 75 MPa
  • ?Static load capacity: up to 140 MPa
  • ?Linear speeds up to 8 m/s

Temperature Range

  • ?Operating temperature: -180°C to +300°C
  • ?High thermal conductivity
  • ?Stable lubrication performance

Primary Applications

Automotive Components:
- Engine bearings, transmission gears, and suspension systems requiring high wear resistance and self-lubrication.
Industrial Equipment:
- Hydraulic pumps, electric motors, and heavy machinery where durability and low maintenance are essential.
Agricultural Machinery:
- Farm equipment and irrigation systems operating in harsh environments with dust and moisture.
Power Tools:
- Electric motors and gear systems requiring reliable performance and long service life.

Specialized Applications

Manufacturing Systems:
- Production machinery components, assembly line parts, and automation systems.
Power Tools:
- Motor components, gear systems, and bearing assemblies in power tools and equipment.
Manufacturing Systems:
- Production machinery components, assembly line parts, and automation systems.
Power Tools:
- Motor components, gear systems, and bearing assemblies in power tools and equipment.

Why Choose SINTERED BRONZE BUSHING 20X28X20?

SINTERED BRONZE BUSHING 20X28X20 are engineered for demanding applications where traditional lubrication methods are impractical. They provide exceptional performance, durability, and cost-effectiveness, making them the preferred choice across various industries. Experience the reliability and efficiency of SINTERED BRONZE BUSHING 20X28X20, designed to meet your specific application requirements.

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