Tight Tolerance Wear Ring for Rods (WRT) | Brazil

Tight Tolerance Wear Ring for Rods (WRT) | Product Series

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Tight Tolerance Wear Ring for Rods (WRT)

Tight Tolerance Wear Ring for Rods (WRT)

Puntos de venta

Parker's WRT profile tight-tolerance rod wear rings are the premier bearings for light- to heavy-duty hydraulic applications.

Especificaciones técnicas

  • Ancho de la ranura: Calculate: Wear Ring Width + 0.010 inch
  • Temperatura mínima de funcionamiento: -65 °F
  • Temperatura máxima de funcionamiento: 275 °F
  • Material de la junta: W4733 WearGard™
  • Para tipo de fluido: Oil, Oil, Fuel
  • Color: Green
  • Tipo de aplicación térmica: Expanded Low and High Temperature (< -30°F, > 250°F)
  • Opciones de material de polímero: Polyamide (PA)
  • Cumplimiento con especificaciones: None
  • Medio: Hydraulic
  • Unidad de medida: Length: inch

Descripción completa del producto

AVAILABILITY
A sampling of Parker’s part numbers are shown in the configurator above for select materials and sizes.   If the material and dimensions required are not shown, assistance with part number configuration may be found in the literature documents in the Product Support tab.  To check current tooling, review the Part Number Look-up document.  Contact Parker for requirements outside typical ranges.

Parker’s WRT profile tight-tolerance rod wear rings are the premier bearings for light- to heavy-duty hydraulic applications.  In applications where pressure and temperatures reach their extremes, a tight tolerance wear ring (held to +/- .001” under 6”) allows for a more precise fit of components, resulting in less dimensional “play.”  This allows the extrusion gap to be smaller for tight-tolerance wear rings, thus increasing the seal’s pressure rating beyond what it is rated when used with standard-tolerance (+/-.0025) wear rings.

WRT Profile wear rings are available in standard sizes from 7/8" up to 7" rod diameters (larger sizes upon request).  WRT profile wear rings feature chamfered corners on the O.D. and are designed to snap open during assembly to hold tight against the head gland, eliminating rod interference and simplifying installation.  

Part numbers are shown for standard sizes and hardware dimensions and may be produced in virtually any width from 0.125 to 2.000 inch or larger based upon bore diameter.  The “XXXX” characters in the part number reflect wear ring width based upon desired size.   

For example:  ½” wide = 0.500 and for part numbering purposes, final four XXXX characters would be substituted with 0500.  (To produce final four characters of part number, use this method:  0.500 x 1000 = 0500.)  Please see literature in Product Support tab for assistance.

Three types of end cuts are available:  butt cut (standard), angle cut, and step cut.  The butt cut is the most common and most economical cut.  Angle cuts and step cuts provide added performance by ensuring bearing area overlap at the wear ring’s gap.  For assistance with part numbering for angle cuts and step cuts, please view Section 9 of Parker’s Fluid Power Seal Design Guide, Catalog EPS5370.  (See link in the “Product Support” tab.)

Additional cross-sections may be available if required.

If you need technical assistance with determining recommended wear ring widths, or alternate cross-sections for your specific application, please contact Parker EPS Division’s application engineering team at 801-972-3000.

Standard Material:  W4733 WearGard™

Radial Tolerance:  
• Up to 5 3/4” inside diameter:  +.000"/ -.002"
• 5 3/4” to 7” inside diameter:  +.000/-.003”

End Cuts:
• Standard:  Butt Cut.  
• Optional:  Angle cut (skive cut), Step cut

Documentos relacionados

Literature and Reference Materials
Fluid Power Seal Design Guide--EPS 5370
WRT Profile Tight Tolerance Rod Wear Ring
Wear Rings for Preventing Metal-to-Metal Contact--EPS5249
Installation Techniques for Wear Rings
Part Number Look-Up
WearGard Bearing & Wear Ring Material - EPS 5213
Training
Basic Sealing Technology - Wear Rings
Basic Sealing Technology-Linear Sealing
Sealing Technology Glossary of Basic Terminology
Contact & Support Information
Design Action Request--DAR
Frequently Asked Questions
Compliance, Certifications & Safety
EPS Division, SLC, IATF 16949:2016
EPS Division, SLC, ISO 9001:2015 and AS9100D in Accordance With AS9104/1
Seal Storage and Handling Guide - Linear Fluid Power Seals
Shelf Life for Elastomeric Seals
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