Wrapped bushing, bronze, filled graphite lubrication pockets, a solid lubricant. Maintenance-free
The diamond-shaped lubrication pockets are filled with graphite, a solid lubricant.
Wrapped bushing, bronze, filled graphite lubrication pockets, maintenance-free
The diamond-shaped lubrication pockets are filled with graphite, a solid lubricant.The dimensions of viiplus® bronze graphite thin walled bearings are according to DIN 1494 / ISO 3547.
Bronze Bearings and Bronze Sleeve Bushings made of CuSn8 ROHS are filled with graphite
CuSn8 with
composition
Sn 8 %
P < 0.05 %
Cu Rest
Bronze Bearing material made of solid bronze strip with indents for lubrication,Material Bronze (CuSn8).Bearing forms available in standard dimensions.
Industry Standards/Compliant Restriction of Hazardous Substances (RoHS) Compliant.
During the installation, grease must be filled in the lubricating chamber on the sliding surface. Lubrication during operation can extend service life.Plain bearing bushing can also provide lubrication slots and holes.The length of the standard bushing can be shortened.We also roll the bushing according to the size you define.
CuSn8 Lubrication Diamond Pockets Bushes which diamond-shaped lubrication pockets are filled with graphite, a solid lubricant. The concept of the CuSn8 Lubrication Diamond Pockets Bushes is derived from the LUB-MET® material that has already been in the bearings market for many decades. With every movement of the shaft, tiny particles of the solid lubricant are being evenly distributed over the contact surface between the shaft and bushing. Thus, building up a sliding layer.
CuSn8 Lubrication Diamond Pockets Bushes is a very good upgrade, especially for applications that normally require high greasing intervals (excessively contaminated applications), are difficult to carry out maintenance due to the location or where automated grease lines continuously fail.
It is necessary that an initial greasing is applied during installation to initiate the build-up of the solid lubricant layer.
CuSn8 Lubrication Diamond Pockets Bushes also only can run completely maintenance-free if a non-corrosive shaft material is used.
Otherwise, the shaft would corrode and develop an abrasive sliding surface. This would tremendously decrease the lifespan of the bearing.
The dimensions of CuSn8 Lubrication Diamond Pockets Bushes are according to DIN 1494 / ISO 3547 and are identical to BRO-MET®.
Typical applications are for agricultural machinery, brakes and certain construction machinery.
Standard cylindrical bushings and flange bushes are available.
Special designs are produced based on your design.
CuSn6.5P0. 1 is also available.
| Value | Unit | |
| Density | 8.9g | cm3 |
| Operating Temperature | -100~+200 | °C |
| Hardness | ≥110 | HB |
| Load capacity | 40 | N/mm2 |
Material: CuSn8P0.3 (DIN ISO 4382-2:1991)
| material | Cu | Sn | P |
| CuSn8P0.3 | 91.3 | 8.5 | 0.3 |
| TECHNICAL DATA | ||
| Max load capacity | Specific load capacity static | 120N/mm² |
| Specific load capacity dynamic | 40N/mm² | |
| Sliding speed | 2.5m/s | |
| Max. PV-value | 2.8N/mm² ・m/s | |
| Friction value μ | 0.05~0.25 | |
| Temperature strain | -100℃~+200℃ | |
| Coefficient of thermal conductivity | 60Wim・K | |
| Coefficient of thermal expansion | 15×-6/K | |
|
Performance Index
|
Data
|
|
|
Material
|
CuSn8P(Qsn8-0.3) + graphite
|
|
|
Density g/cm³
|
8.8
|
|
|
Max Dynamic Load N/mm²
|
100
|
|
|
Max Linear Velocity（Grease） m/s
|
2.5
|
|
|
Max PV value Grease N/mm²·m/s
|
2.8
|
|
|
Pressure strength N/mm²
|
>460
|
|
|
Yield Strength N/mm²
|
>280
|
|
|
Hardness
|
90~150
|
|
|
Mating Axis
|
Hardness
|
≥50
|
|
Roughness
|
0.4~1.0
|
|
|
Working Temperature ℃
|
-40~150
|
|
|
Friction Coefficient
|
0.06~0.1
|
|
|
coefficient of heat conduction W/m·K
|
58
|
|
|
Linear expansion coefficient
|
18.5×10-6/K
|
|
|
Typical application
|
Hoisting, mining machinery,
forest machinery, agricultural machinery etc. |
|
|
We can also develop according to customers special request while out of this table
|
||
Bronze bearing for agricultural machinery, brakes and certain construction machinery.
The plain bearing bushing is made to DIN ISO 3547.092 bronze bushing is based on bronze CUSN8 and evenly distributed drilling oil hole on its sliding surface. When in assembly, oil or grease should be stored in the holes before bushing is sealed form both ends. 092 bronze CuSn8 material has the advantage of abundant oil storage, easy-to-assembly ,machine the compactness etc. It can replace the conventional whole copper middle load, low speed such as in convey machine, hoisting machine, windlass, aligning machine etc.
| Standard Dia. | Bushing O.D.Size |
Housing Bore | Bushing I.D.Size |
Matching Shaft Diameter |
|---|---|---|---|---|
| 10~18 | +0.065 +0.030 |
+0.018 0 |
+0.046 0 |
– 0.016 – 0.043 |
| 18~30 | +0.075 +0.035 |
+0.021 0 |
+0.052 0 |
– 0.020 – 0.020 |
| 30~50 | +0.085 +0.045 |
+0.025 0 |
+0.062 0 |
– 0.025 – 0.064 |
| 50~80 | +0.100 +0.055 |
+0.030 0 |
+0.074 0 |
– 0.030 – 0.076 |
| 80~120 | +0.120 +0.070 |
+0.035 0 |
+0.087 0 |
– 0.036 – 0.090 |
| 120~180 | +0.170 +0.100 |
+0.400 0 |
+0.100 0 |
– 0.043 – 0.106 |
| 180~250 | +0.210 +0.130 |
+0.046 0 |
+0.115 0 |
– 0.050 – 0.122 |
| 250~315 | +0.260 +0.170 |
+0.052 0 |
+0.130 0 |
– 0.056 – 0.137 |
Reviews
There are no reviews yet.