The 090 092 series bronze bearings,bronze leitlager are widely used in automobile, tractor, truck, machine tool, crane and other construction machinery and some mining machinery and other fields.
Bronze roll bearing, oil hole, oil groove or through hole
Easy to assemble and lubricate, easy to maintain
High load, high thermal conductivity
Good fatigue strength, wear resistance and corrosion resistance
Oil groove or oil hole can be designed as required
Can supply straight sleeve, flanging, gasket and other styles
Standard or non-standard bearings can be supplied on request
Wrapped Bronze Bushing，Using tin bronze alloy CuSn8 and phosphor tin bronze CuSn6.5 as materials, diamond-shaped oil pockets are rolled on the surface to store grease. It has good fatigue strength, bearing capacity, corrosion resistance and wear resistance.
The bronze bearings are produced from phosphor bronze alloy rolled strip which is hard and has an excellent finish. The material composition is as follows:
Cu – Balance
Sn – 8.5%
P – 0.2%
Material information and standard dimensions on the data sheet
Bronze wrapped bearing, Gleitlager Bronze,also known as FB090, FB092,E92F,E90F with tin bronze alloy CuSn8P as the material, the surface pressure rolling diamond oil hole, plays the role of oil storage.It has good bearing capacity, corrosion resistance and wear resistance.It is widely used in agricultural machinery, construction machinery, engineering machinery and other occasions of high load and low speed.
Long service intervals under severe operating circumstances.
Gleitlager Bronze are ideal for applications where there are high levels of contamination. Their running surface is provided with diamond-shaped lubrication pockets or a hole pattern. The lubrication pockets must be filled with grease when the bearing is installed. The Gleitlager Bronze are produced according to the ISO 3547.
Lubrication
Gleitlager Bronze must be lubricated with grease or oil on installation. A good quality lubricant is essential as it will reduce friction and wear by forming a film between the plain bearing and the shaft. For heavily contaminated applications, we recommend sealing off the bearing. This will protect both the bearing and the lubricant.
Technical Datas
Max Load
Static load
120N/mm2
Hardness
HB90-120
Dynamic
40N/mm2
Elongation
40%
Max. Speed
2m/s
Temp.
-100℃~＋200℃
Max PV
2.8N/mm2．m/s
Friction coefficient
0.08~0.25
Tensile strength
450N/mm2
Thermal conductivity
60W(m．K)-1
Yield point
250N/mm2
Coefficient of thermal expansion
15×10-6/K
Material Structure
The bearings are wrapped of a cold formable homogenous bronze (CuSn8p0.3 & CuSn6.5p0.1), which will obtain exceptional material properties. The standard size are fitted with diamond shaped lubrication indents on the bearing surface. These indents serve as lubricant reservoirs to rapidly build up a lubrication film in the start movement and therewith reduce the start friction.
The advantages of wrapped bronze bushings are:
1. Saving large amount of bronze material and save the working hours normally spent for lathing the bronze bushing. 2. Compared with lathed bushings and roller bearings, it is lights and more cost-effective. 3. Various holes and dents can be made on the frication surface for grease storage, prolonging the lubrication interval to 5 times as long as required by the bronze bushing. 4. Extremely high load sustainability, especially suitable for coarse abrasion surfaces. Standaed products available: Straight bushings, thrust plates and pressure bearings. Non-standard products available: Straight bushings, thrust plates, planks, bearing bushings, slide plates and steel bushing assembly.
Specification overview
Properties
T90
T92
Max. load (Dyn/stat), N/mm2
40 / 120
40 / 120
Max. sliding speed m/s
2.0
2.5
Max. PV value N/mm2 x m/s
2.8
2.8
Temperature range, oC
-100 / +200
-100 / +200
Shaft tolerance
e7 – f8 – h6
e7 – f8 – h6
Housing tolerance
H7
H7
Shaft roughness
Ra ≤ 0.8
Ra ≤ 0.8
Shaft hardness
> 200 HB
> 200 HB
Applications
Gleitlager Bronze are especially suited to severe operating conditions where frequent maintenance is not possible. Common applications are:
Agricultural vehicles
Lifting gear
Offshore
Excavators
Characteristics
Bronze rolled bearings with diamond or spherical oil holes
Easy to assemble and lubricate, easy to maintain
High load, high thermal conductivity
Good fatigue strength, wear resistance and corrosion resistance
Oil groove or oil hole can be designed as required
Can supply straight sleeve, flanging, gasket and other styles
Standard or non-standard bearings can be supplied on request
DIN 1494 / ISO3547
Design
Cylindrical bearings
Flanged bearings
Thrust washers
Plates
Drawing details
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