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Tin Plating POM Composite SF-2 Bronze Bearing Thrust Washer Oilless

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VIIPLUS INTERNATIONAL

Tin Plating POM Composite SF-2 Bronze Bearing Thrust Washer Oilless

Country/Region china
City & Province zhejiang
Categories Brake Systems
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Product Details

The tin-plated POM composite SF-2 bronze bearing thrust washer is an innovative component designed for oil-free operation. Constructed from a combination of POM (polyoxymethylene) and bronze, this thrust washer offers exceptional durability and wear resistance.

The tin plating on the surface of the POM composite enhances its corrosion resistance, ensuring longer service life even in harsh environments. The bronze material, known for its excellent mechanical properties, provides a strong and stable base for the thrust washer.

The SF-2 design of this bearing thrust washer is optimized for high-load applications, making it suitable for a wide range of industrial uses. The oilless design eliminates the need for lubrication, reducing maintenance requirements and operational costs.

The precision engineering of this thrust washer ensures a smooth and reliable operation, minimizing friction and wear. This results in improved efficiency and reduced downtime, enhancing the overall performance of the machinery it is installed in.

Whether you are upgrading an existing system or designing a new one, the tin-plated POM composite SF-2 bronze bearing thrust washer is an excellent choice for achieving reliable and efficient thrust transmission. Its oilless design makes it a cost-effective and environmentally friendly solution for various industrial applications.

Oilless SF-2 Bronze Bearing Flat Thrust Washer

POM composite thrust washers are suitable where oscillating and rotational movement can occur. These washers are punched from the composite material and have as standard a hole to take a pin or screw to prevent the washers from rotating on their seat. SF-2 Thrust washers Bronze+steel+pom Washers. DX Marginally Lubricated Bearings is for grease or oil lubricated applications. Visit https://www.bronzegleitlager.com/

POM BUSHING

SF-2 Thrust washers, SF-1 Thrust washer, DU Oilless Washer, Bronze steel pom washer, DX Maginal Washer.

 

SF-2 Marginal Lbricating Bearing is used steel-backing as its structure, sintered porous bronze as its interlayer, surface inlaid the modified POM.

Suitable for marginally lubricated and dry operation on the conditions of lubrication indents grease.

It has been widely applied to metallurgical machinery, Mine machinery, water conservancy machinery, vapor locomotive, building machinery, agriculture machinery, steel rolling industry etc.

 

Oilless SF-2 Bronze Bearing Flat Thrust Washer

POM Coated Self Lubricating Thrust Washer

 

SF-2 POM composite thrust washers Description

 

POM composite thrust washers have pockets in the sliding surface, which serve as grease reservoirs and should be filled with grease prior to installation. This makes these washers suitable for applications that require minimal maintenance under difficult operating conditions, for example in contaminated environments where lubricant cannot be supplied continuously or frequently. Despite of their compact design, POM composite washers can accommodate heavy axial loads and are less sensitive to misalignment. They are suitable for slow rotational or oscillating movements.

 

POM composite thrust washers consists of a sheet steel backing on which a 0,2 to 0,4 mm thick layer of tin/bronze is sintered. The principal characteristic of these washers is their relatively thick (0,3 mm) covering layer of acetal resin (POM – polyoxymethylene) with additives. This covering layer has pockets to retain grease and is firmly attached to the sintered tin/bronze layer.

 

The thickness of the covering layer makes these washers less sensitive to misalignment and the edge loading associated with that misalignment.

 

 

BrandViiplus
Base materialSteel/Bronze
Maximum temperaturet-40°C-300°C
Max Load Capacity P70-250N/mm²
Coefficient of friction u0.05-0.20u
Material Organization1. POM with fiber 0.3 ~ 0.5mm
2. Porous bronze 0.2 ~ 0.3mm
3. Steel backing 0.4~ 2.2mm
4. Tin-plating 0.005mm or copper plating 0.008mm
Technical DataLimit Value(Oil)22N/mm²
Friction Coefficient0.05~0.25
Temperature Range-40°C~+130°C
Resilience70N/mm²
Sliding Speed Limit2.5m/s

 

SF-2 Thrust washers Material:

DX (Metal Polymer Composite POM)

bimetal pom strip Thickness of the copper layer is 0,004-0,006 mm on the surface of the strip steel. Thickness of one-sided baked layer of porous bronze CuSn10 on the copper surface of strip steel 0,33-0,50mm A sliding surface of polyacetal with a depth of 0,23-0,33mm.

 

The thickness of the copper layer on the surface of the strip steel. The thickness of the one-sided baked layer of porous bronze CuSn10 on the copper surface of strip steel-backed

A sliding surface of polyacetal layer

 


Designations

Axie diameter
 Size of washer Size for installation
d
±0.25
D
-0.25
T
-0.05
M
±0.12
h
+0.4
+0.1
t

±0.2
D1

+0.1
WC10SF810201.5151.5120
WC12SF1012241.5181.5124
WC14SF1214261.5202126
WC16SF1416301.5232130
WC18SF1618321.5252132
WC20SF1820361.5283136
WC22SF2022381.5303138
WC24SF2224421.5333142
WC26SF2426441.5353144
WC28SF2528481.5384148
WC32SF3032541.5434154
WC38SF3538621.5504162
WC42SF4042661.5544166
WC46SF45487426141.574
WC52SF50527826541.578
WC62SF60629027641.590

A dowel or counter sunk screw should be used to prevent rotation,but the head must be recessed at least 0.25mm below the thrust bearing surface
Standard series of SF-1, and SF-2 strips

Type

Length

Width

Thickness-0.04
SF-1SF-25001251.0
SF-1SF-25001251.5
SF-1SF-25001502.0
SF-1SF-25001502.5

Bushing Length other than listed may also be supplied to special orders.

 

SF-2 Thrust washers Structure:

Metal-Polymer Composite Thrust Washer Material

 

SF-2 Thrust washers Composition:

Steel Back + Porous Bronze Sinter + Pom With Lubrication Indents

 

SF-2 Thrust washers Microsection:

  • POM sliding layer with lubricant indents
  • Porous Bronze Sinter

  • Steel Backing

  • Tin/Copper coating

 



SF-2 THRUST WASHER LUBRICATION POCKET

 

SF-2 POM Thrust Washer Technical Details

 

  • Wrapped composite sliding bearing
  • Tin-plated steel / acetal resin (POM)
  • DIN 1494 / ISO 3547
  • Low-maintenance
  • With lubrication pockets
  • Flanged sliding bearings on request

 

SF-2 Thrust Washers Suitable for grease or oil lubrication and all kinds of movement, good load capacity, robust and insensible to dirt.

 

Sliding surface:POM
Support material:Tin plated steel
Dynamic load:≤ 140 N/mm²
Static load:≤ 250 N/mm²
Sliding speed:≤ 2,5 m/s
Fricition value:0,04 - 0,12 µ
max. PV-value:2,8 N/mm² x m/s
Temperature strain:-40 up to + 130 °C
Maintenance:maintenance-bound
Tolerance housing:H7
Tolerance after mounting:in series D
Shaft tolerance:h8
Shaft material:Steel, hardened or untempered, roughness Rz < 4-6

 

SF-2 Thrust Washers Characteristics:

 

  1. SF-2 POM coated self-lubricating thrust washer for grease or oil lubricated applications.

  2. Standard parts contain grease indents in the sliding layer, plain sliding layer available by request.

  3. Optimum performance under relatively high loads and low speeds.

  4. Suitable for linear, oscillating and rotating movements.

  5. Wide range of parts available from stock.

 

SF-2 Thrust Washers Typical Applications:

 

SF-2 POM based thrust washers is widely used in Vehicle chassis, forming machine tools, steel metallurgical machinery, mineral mountain machinery, hydraulic industry and rolling steel industry etc.

 

 

POM Composite Bearing SF-2 Thrust Washers Size Chart

MaterialPart NumberInner DiameterOuter DiameterThickness
POM Wrapped Acetal LinedSF-2 Thrust Washer12 24 01512241.5
POM Wrapped Acetal LinedSF-2 Thrust Washer14 26 01514261.5
POM Wrapped Acetal LinedSF-2 Thrust Washer16 30 01516301.5
POM Wrapped Acetal LinedSF-2 Thrust Washer18 32 01518321.5
POM Wrapped Acetal LinedSF-2 Thrust Washer20 36 01520361.5
POM Wrapped Acetal LinedSF-2 Thrust Washer22 38 01522381.5
POM Wrapped Acetal LinedSF-2 Thrust Washer24 42 01524421.5
POM Wrapped Acetal LinedSF-2 Thrust Washer26 44 01526441.5
POM Wrapped Acetal LinedSF-2 Thrust Washer28 48 01528481.5
POM Wrapped Acetal LinedSF-2 Thrust Washer32 54 01532541.5
POM Wrapped Acetal LinedSF-2 Thrust Washer38 62 01538621.5
POM Wrapped Acetal LinedSF-2 Thrust Washer42 66 01542661.5
POM Wrapped Acetal LinedSF-2 Thrust Washer48 74 0248742.5
POM Wrapped Acetal LinedSF-2 Thrust Washer52 78 0252782.5
POM Wrapped Acetal LinedSF-2 Thrust Washer62 90 02562902.5

 

 

bimetal strips

 

 

 

 

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