
Roller Kelly Bushings Made in China
DALON self-lubricating sintered bronze bushing are manufactured of pressed copper and tin powders by sintered technology and impregnated with lubricating oil and high porosity (20-25% in volume). The oil contained in the porosity provides a constant lubrication between bearing and shaft, the system does not need any additional external lubricant, allows this type of sintered bronze bushing to work under hydrodynamic conditions. which resulting in a very low friction coefficient and maintenance-free for general engineering applications.
Product Introduction
Whether it is the design of Sintered Iron Bushings, high temperature high load dry running sleeve bearing, pe sintered filter, the choice of materials, or the positioning of the product, we have been carefully planned and won a good reputation. Safe, pioneer and innovative production is the principle of every employee of our company, and they are in line with this principle of relentlessly pursuing technological innovation. We not only provide customers with high quality products and perfect after-sales service, but also provide comprehensive technical support.


DALON BUSHING INTRODUCTION:
DALON Roller Bushing consist of a sintered bronze body. The main feature of Roller Bushing is their porous design, which contains oil lubricant, which should be the viscosity decrease due to increasing operating temperatures due to friction, the oil leaks out. At higher speed, a lubrication wedge develops, which lowers the bushing's friction.
The powdered metallurgy process is a mass production process that can reduce costs to a level that can be startlingly low when compared to CNC machining. An added benefit of the sintered Roller Bushing are the unique pores that are formed in the structure of the metal. These pores can serve as a reservoir for lubricant, providing a passage to the bearing surface. This unique feature adds the benefit of self-lubrication to many powdered metal bearings.
- High load oil-embedded Sleeve Bearings: This kind of Roller Bushing increased iron content which makes these bearings stronger and more resistant to shock loads than standard oil-embedded bearings. Also they running at lower speeds
- High load Ultra low Friction oil embedded sleeve bearings: This kind of bearings used for frequent starts and stops in high load applications.
- Food Industry oil embedded sleeve bearings: These bearings used oil is suitable for incidental contact with food.
- Multipurpose sleeve bearings: These bronze bearings with lead are strong, wear resistant and excellent at handling shock loads.
- Oil filled SAE841 Bronze bearings: Sintered bronze powder SAE841 without lead impregnated with SAE 30 oil to make this material self—lubricating.
- SAE 660 Bronze bearings: These bearings offering excellent antifriction qualities, SAE660 bronze also offer goods strength and wear resistance. It’s often used for bearings, bushings, and thrust washers.
- High temperature Graphite filled 841 bronze Bushing: These bushing have an excellent alternative to oil filled bushing, graphite filled bronze provides dry lubrication in temperature as high as 370℃
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System of Measurement |
Inch / Metric |
|
Bearing Type |
Plain |
|
Plain Bearing Type |
Sleeve / Flange / Spherical * with Ring |
|
For Load Direction |
Radial |
|
Material |
SAE841 Bronze(CuSn9010) / SAE660 /A50-B50 |
|
Tolerance Standard |
F7 r7 Js13 |
|
Lubrication Method |
Embedded Lubricated |
|
For Shaft Type |
Round |
|
Shaft Mount Type |
Slip Fit |







roller bushing
While great achievements have been achieved in the domestic market, we also expect our Roller Kelly Bushings Made in China to enter the international market so that more people can understand and appreciate its superior performance. The primary task of the enterprise is innovation and production, and the main purpose of the enterprise is to provide material products to the society. We are making great efforts to achieve this win-win situation.
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