Measuring

How to Measure

Click on the images below for more information.

A1: HOW TO: Measure a Wheel How to measure a wheel Click to enlarge A2: HOW TO: Measure a Caster How to measure a caster Click to enlarge
A3: HOW TO: Saddle Stem Verify - 1-3/16 Stem Measuring a saddle Click to enlarge A4: HOW TO: Saddle Stem Verify - 1 Inch Stem Measuring a saddle 1 inch stem Click to enlarge
A5: HOW TO: Measure Threaded Pipe and Fittings Measure Threaded Pipe and Fittings Click to enlarge A6: HOW TO: Measure a Universal Joint measure for Check Balls Click to enlarge
A7: HOW TO: Measure for Check Balls measure for Check Balls Click to enlarge A8: HOW TO: Measure a Bottle Jack Measure a Bottle Jack Click to enlarge
A9: HOW TO: Measure a Plate Caster Measure a Plate Caster Click to enlarge  
B1: HOW TO: Measure a Ucup Seal used on a
Pump Piston Ucup Seal used on a Pump Piston Click to enlarge 		B2: HOW TO: Measure a Oring used on a
Pump Piston Oring Click to enlarge
B3: HOW TO: Measure a Ucup Seal used on a Ram Ucup Seal used on a Ram Click to enlarge B4: HOW TO: Measure a Oring used as a Wiper Oring used as a Wiper Click to enlarge
B5: HOW TO: Measure a Oil Seal used as Wiper Oil Seal used as Wiper Click to enlarge B6: HOW TO: Measure a leather piston cup How to measure a leather piston cup Click to enlarge
B7: HOW TO: Measure & Replace A Retainer with
O-Ring Measure and Replace A Retainer with O-Ring Click to enlarge 		B8: HOW TO: Measure a Snap in Wiper
  How to Measure a Snap in Wiper Click to enlarge
B9: HOW TO: Measure a Release Valve Seal How to measure Vpacking Click to enlarge B10: HOW TO: Measure Vpacking How to measure Vpacking Click to enlarge
B11: HOW TO: Measure a Shop Press Ram Seal
  Measure a Shop Press Ram Seal Click to enlarge 		B12: HOW TO: Measure & Replace a U-Cup with Retainer Measure and Replace a U-Cup with Retainer Click to enlarge
Seal Dimensions

Key: I.D. = Inside Diameter  |  O.D. = Outside Diameter  |  H = Height  |  C/S = Cross Section = (O.D. - I.D.)/2

Measurements for a typical O-ring O-Ring Measurements Measurements for a typical U-seal U-Seal Measurements
Measurements for a typical wiper Wiper Measurements Measurements for a typical piston cup Piston Cup Measurements
Measurements for a typical V-packing set V-Packing Set Measurements
Metal Dimensions
Wiper Key:
R = Rod - Wiper I.D.
Dw = Groove Diameter - Wiper O.D.
Ww = Groove Width - Wiper Heel Height 		Rod Seal Key:
R = Rod - Rod Seal I.D.
Dr = Groove Diameter - Rod Seal O.D.
Wr = Groove Width - Rod Seal Height
Gland Seal (usually an O-ring) Key:
Dg = Groove Diameter - Gland Seal I.D.
Wg = Groove Width - Gland Seal Cross Section 		Piston Seal Key:
B = Bore - Piston Seal O.D.
Dp = Groove Diameter - Piston Seal I.D.
Wp = Groove Width - Piston Seal Height

Measurements for a typical cylinder

Cylinder Measurements

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