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Hongda's main products JDB inlay series bearings, copper sleeves, skateboards, rough series

HDB-10/20 Series

Hongda's main products are JDB inlay series bearings, copper sleeves, skateboards, rough series, FB090 series bearings, JF800 bimetal series bearings, SF series self-lubricating bearings and other ten series products

10 Plastic bearings
The 5620 series bimetal bushings, bushes, thrust pads are made of high-quality low-carbon steel as the base body, and the surface is sintered with bronze powder, which is suitable for rotation and swinging motion under high load and low speed. It has the characteristics of low friction coefficient, good wear resistance, long service life, good anti-seizure performance, etc. The copper alloy layer can be processed into various types of oil holes and oil grooves according to requirements. Products are widely used in mining machinery, steam locomotives, construction machinery, agricultural machinery, steel rolling machinery, etc.

The product is based on high-quality low-carbon steel, with a sintered spherical bronze layer in the middle and a mixture of polytetrafluoroethylene (PTFE) rolled on the surface. It has good self-lubrication, wear resistance, low friction coefficient, good run-in performance, low noise and other properties, products are widely used in sliding parts of various machinery.

Application Characteristics

1. No oil lubrication or less oil lubrication, suitable for occasions where oil can not be added or difficult to add oil, can be used without maintenance or less maintenance;
2. Good wear resistance, small friction coefficient, long service life;
3. Available -195℃~+280℃;
4. Good running performance, low noise, no pollution;
5. Thin-walled structure, light weight, can reduce mechanical volume;br> 6. Can form transfer film during operation Protect the effect on the grinding shaft without biting the shaft;
7. The hardness of the grinding shaft is low, and shafts without tempering can be used, thereby reducing the difficulty of processing related parts;
8. No water absorption, oil absorption, The coefficient of thermal expansion is small, the heat dissipation is good, and the size is stable;
9. The back of the steel can be plated with a variety of metals, so it can be used in corrosive media and will not rust;
it has been widely used in sliding parts of various machines, such as automated machinery Equipment (telescopic, rocking, sliding, bending, turning, rotating parts) hydraulic cylinder guide bush, gear pump, textile machinery, vending machine, plastic molding machine, die casting machine, rubber machinery, tobacco machine, fitness equipment, office machinery, Hydraulic vans, steam locomotives, motorcycles, agricultural and forestry machinery, etc.


1. PTFE and lead mixture 0.01-0.03mm
2.Spherical bronze powder 0.2-0.3mm
3.Steel back 0.7-2.3mm.
4.Plating layer: tin plating thickness 0.005mm,
or copper plating thickness 0.008mm.

Available for standrd products

Straight sleeve, flange sleeve, thrust washer, plate.

Available for non-standrd products

Straight sleeve, flanged sleeve, thrust washer, plate, bearing bush, slide plate, steel sleeve assembly.

Technical parameter
Maximum load Static load 250N/mm2
Low speed operation 140N/mm2
Rotate, swing motion 60N/mm2
Maximum PV value (dry friction) Intermittent operation 3.6N/mm2·m/s
Long-term operation 1.8N/mm2·m/s
Temperature   -195℃~+280℃
Coefficient of friction   0.05~0.20μ
Maximum linear speed Dry 2m/s
Fluid lubrication >2m/s
Thermal Conductivity   42 W(m·k)-1
Linear expansion coefficient   11×10-6·K-1


Modern design is generating huge demand for today's self-lubricating bearing materials. Even under severe extreme operating environments and maximum load conditions, maintenance-free is required. As cost requirements continue to increase, the reliability requirements of equipment and plant operations are also increasing. Metal self-lubricating bearings can meet maintenance-free and self-lubricating under long-term use conditions, thereby making it possible to design reliable long-term self-lubricating systems. Metal self-lubricating bearing materials can be widely used in rotation, swing and linear reciprocating motion under high load and low speed conditions, and are also suitable for occasions where traditional lubrication cannot be achieved or are prohibited, or in special working conditions such as dust and impact Long-term and stable use under load or irradiation.