Radial seal 21x33x7 double lip TC NBR Blue
Radial seal 21x33x7 double lip TC NBR Blue

Radial seal 21x33x7 double lip TC NBR Blue

€1.78 Tax included

€1.47 tax excl.

Radial seal for universal use, measuring 21x33x7, NBR material in blue with double lip and sealing gaskets. Metal frame structure covered with elastic rubber in blue. They have high wear resistance, suitable for use with mineral oils and greases, indicated for inorganic, alkaline and acidic compounds in concentration.


Reference: R-21X33X7 TC-NBR BLUE


Representative image for illustrative purposes, the item supplied will correspond to the specifications indicated.

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Seals are technical joints for fluid sealing in rotating shafts, made of blue NBR material (nitrile rubber), with double lip and sealing gaskets; the elastomer membrane has a toroidal spring on the vertical of the sealing edge to maintain the shaft seal. These seals are for universal use. due to its high wear resistance and temperature range.


They have an outer elastic rubber cover with an inner metal frame that provides rigidity and straightness to the seal, while providing a perfect seal between the outer part of the seal and the housing hole, even in rough housings with great expansion.

Nitrile rubber or NBR is characterized by good oil resistance, high tensile strength, high water absorption, high resistance to tearing and wear, resistance to temperatures of 125ºC in oil, 100ºC in air and 80ºC in water.







In addition to the assembly instructions in DIN 3760, it is very important to ensure that after assembly, the seal is completely perpendicular to the shaft.



Characteristics:
  • Manufacturer: Technox
  • Reference: R-21X33X7 TC-NBR BLUE
  • Shaft diameter (d): 21 mm
  • Outer Diameter (D): 33mm
  • Width (H): 7 mm
  • Design: TC (double lip)
  • Permissible low temperature: -40ºC
  • Material: Blue NBR



The following table shows the designation of different manufacturers depending on the shape of the lip and type of cover:





Professional use material, install in compliance with the regulations in force at the installation site.


For further information you can download the technical sheet by clicking on the "Attached Files" tab.

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