Active Member
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[China]
Address: Industry Park. JS, ZJ, China. 314100
Contact name:Tiffany
VIIPLUS INTERNATIONAL |
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We are leading Manufacturers of Dry Bearing, sliding bearing, boundary lubrication Bearing, Dry Bearing, Bronze Bearing, Bimetal Bearing, PTFE Bearing. Our Manufacturing Unit is located in china. The following are some of the specific applications of sliding bearings, Due to the combination of material properties and performance, VIIPLUS products have been more widely used and promoted than ordinary self-lubricating bearings. Thin-walled structure, small size, lightweight, easy to use PTFE sleeve BUSHES. Based on the material properties of the wear-resistant layer of PTFE mixture PLAIN BEARINGS products for difficult maintenance can not be refueled or difficult to refuel, with no oil lubrication and less oil lubrication occasions. During use, the PTFE mixture forms a transfer film that protects the grindstone shaft from biting. PTFE blends offer excellent wear resistance and low coefficient of friction, as well as moderate elastoplasticity, which distributes the stress across a wide contact surface and thereby increases the load-carrying capacity of sliding bearings products. Therefore, PTFE BUSHES products are suitable for rotating, Swing, axial sliding, and other occasions.
In the free state, there is a certain opening seam in the rolling
shaft sleeve, so it is not possible to measure the outer diameter
and inner diameter accurately.Therefore, the inner and outer
diameters of rolling bearings should be equipped with professional
measuring tools and equipment
Outside diameter detection
The shaft sleeve is forced into the ring gauge through gauge
(maximum adding force 250N)
Use the same method and the same force to press the ring gauge end
without passing
Inside diameter detection
When the shaft sleeve is pressed into the ring gauge, the through
end of the plug gauge is applied with a small force, and the end of
the plug gauge is applied with a greater force not exceeding 250N
Note: bushing pressure ring gauge, bushing outside diameter may be
permanently reduced
Wall thickness measurement
Shaft sleeve wall thickness measurement: according to the height of
the shaft sleeve in the shaft upward measurement point, two points
or three points.
Wrapped composite sliding bearing
Carbon-steel / PTFE fibres fabric
Maintenance-free
Available on request
Excellent sliding and wear behaviour, especially in case of rotating and oscillating movement, good shock absorption, very high load capacity, no water absorption
Support material carbon steel
Sliding layer PTFE fibers fabric
Support material: Stainless steel and bronze on request
Specific load capacity static≤ 350 [N/mm2]
Specific load capacity dynamic≤ 180 [N/mm2]
Sliding speed< 0.5 [m/s] 1 [m/s] lubricated
Friction value ***0.03 [µ] to 0.20 [µ]
Temperature strain– 50 [°C] to + 250 [°C]
Max. PV-value1.8 [N/mm² x m/s]
The application of an adequate force-fitting mandrel is advisable
Housing ØH7
Bushing inner-Ø after mountingH9
Shaft tolerancef7 to h8
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Max.Load | Static | 350N/mm2 |
| Temp. | -50°C~+250°C |
Dynamic | 180N/mm2 | ||||
Friction coefficient | 0.03~0.20 | ||||
Max.speed | Dry | 0.5m/s | |||
Thermal conductivity | 42W(m x K) 1 | ||||
Grease | 1m/s~3m/s | ||||
Max.PV(Dry) | Short-term | 3.6N/mm2 m/s | Coefficient of thermal | 11 x 10- 6 x K-1 | |
Continuous | 1.8N/mm2 m/s | ||||
is a dry sliding bearing with glued PTFE fibres fabric overlay. Lubrication is therefore not necessary and not allowed.
Machine and crane construction, apparatus engineering, agricultural machines, fittings, water pumps, chemical industry
This sliding bearing type and special dimensions are only available on request
Now, this product has been used like suspension and auxiliary of agriculture and construction machines, cranes and hydraulic and mechanical jibs, ball butterfly and sluice valves, water pumps, chemical industries, etc.
You can use our “Enquiry Form” to get in touch with us. One of our sales team will contact you immediately.
pragmatic solutions – high-quality products – premium service – fair prices
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