Rotary Oil Seals and Oil Shaft Seals
Learn How to Select the Right Rotary Oil and Oil Shaft Seals
REQUESTING THE RIGHT SEAL |
To request a REPLACEMENT SEAL you must know: | To request a seal for a SPECIFIC APPLICATION you must know: | ||
Type: | Single Lip, Double Lip, W/Dust Wiper | S | Speed of shaft |
Spring Loaded? | T | Temperature | |
Metal or Rubber OD | A | Application | |
Size: | Shaft / Bore / Width | M | Media being sealed |
Inch or Metric | P | Pressure | |
Material: | Nitrile, Fluorocarbon, etc | S | Sizes of surface conditions |
RADIAL SHAFT SEAL NOMENCLATURE |
1) Seal Width 2) Metal Case (Outer) 3) Housing 4) Inner Case 5) Outer Face 6) Inside Face 7) Radial Wall 8) Seal Outer Diameter 9) Housing Bore Diameter 10) Spring Position (R-Value) 11) Spring Groove 12) Garter Spring 13) Heel Section | 14) Flex Section 15) Spring Retainer Lip 16) Inside Lip Angle 17) Toe Face 18) Auxiliary (Dust) Lip 19) Rib (Helix) 20) Contact Point 21) Inside Lip Surface 22) Spring Set Lip Diameter 23) Free Lip (Unsprung) Diameter 24) Contact Line Height 25) Lip Height 26) Lip Angle |
DIMENSIONING A SEAL |
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SEAL SELECTION PROCESS |
Typically a Custom Design, TC4, TB4 , DKH , DKB , | < < Reciprocating < < What Type of Motion? | ||
Radial | |||
What is Moving? > > Bore > > | Typically a | ||
v | |||
BA or BASL | < < Water < < Fluid to Seal? > > Grease > > | VC , KC , KB , VB | |
v | |||
Typically a Custom Design | < < Over 5 PSI < < How Much Pressure? | ||
v | |||
Typically a Custom Design | < < Heavy Contamination < < Outside Sealing? > > Fluid > > | DC , DB , or | |
v | |||
Light Dust | Air |