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LW - Enhanced Standard Isolator with Wrap-Around Mount
Brand: Parker HannifinMachine downtime due to bearing failure is costly. By keeping lubrication in and contaminants out, Parker’s ProTech™ bearing isolators provide reliable, two-way sealing protection of rotating equipment for extended bearing life.
Labyrinth sealing technology applied to high performance materials allows the Parker ProTech LW Profile bearing isolator to operate far beyond the shaft speed limits of standard radial lip seals and avoids shaft wear.
Because it is a precision-machined seal, costs can be eliminated on tooling charges, allowing retrofit of most shaft and bore combinations.
The non-contact design has virtually no torque consumption, will not wear or groove shafts, and allows for nonlubricated dry running.
It also accommodates the greatest axial movement in the industry, reducing a major factor that causes labyrinth seal failure.
We can custom engineer solutions to meet exacting specifications for either new or retrofit applications.
When used to replace seals during planned or unplanned rebuilds, the LW Profile lowers shaft cost due to liberal surface finish specifications.
Specifications
Brand
Axial Movement (inch)
- 0.020 (0.51 mm)
Bore Diameter
- 0.886 to 11.575” (22.5 to 294 mm)
O-Ring Material
- FKM is Standard. Alternates Available
Operating Style
- Non-Flooded
Pressure Rating (psi)
- 0
Seal Material
- PTFE
Shaft Diameter
- 0.492 to 10.000” (12.5 to 254 mm)
Shaft Speed
- Up to 5,000 Fpm (25 m/sec)
Temperature Range (°F)
- -40° to 250° (-40° to 121° C)
Total Eccentricity (inch)
- 0.020” (0.51 mm)
Documentation
Document
- Frequently Asked Questions pdf 255 KB
- Parker EPS Division Marion facility ISO TS 16949 2009 Certification pdf 456 KB
- ProTech Bearing Isolator Design Request Form pdf 383 KB
- ProTech Bearing Isolators EPS 5275 pdf 2.3 MB
- ProTech LW Common Size Listing pdf 108 KB
- ProTech LW LX Profile pdf 2.3 MB
- ProTech Part Numbering pdf 2.3 MB
- UL Letter of Compliance ProTech MLE LWE pdf 112 KB