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Gleitlager Bronze

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

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Description

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.

Bronze Bushing cusn8p material

090 092 bushing Cu% Sn% P% Pb% Zn%
rest 7~9 0.2~0.4 / /

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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