McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	For Shaft Diameter For Shaft Diameter

0.210" to 0.260"

0.217" to 0.256"

1/4"

5/16"

0.370" to 0.450"

0.374" to 0.453"

3/8"

0.450" to 0.530"

0.453" to 0.492"

0.498" to 0.502"

1/2"

0.610" to 0.689"

0.610" to 0.690"

0.623" to 0.627"

5/8"

11/16"

0.690" to 0.770"

0.748" to 0.752"

0.748" to 0.827"

3/4"

13/16"

0.827" to 0.945"

0.873" to 0.877"

7/8"

0.945" to 1.063"

0.950" to 1.070"

0.998" to 1.002"

1 1/16"

1.063" to 1.142"

1.123" to 1.127"

1 1/8"

1 3/16"

1.220" to 1.299"

1.220" to 1.300"

1.247" to 1.253"

1 1/4"

1.299" to 1.417"

1 3/8"

1.375" to 1.381"

1.496" to 1.693"

1.497" to 1.503"

1 1/2"

1.500" to 1.700"

1.622" to 1.628"

1 5/8"

1.693" to 1.890"

1.700" to 1.890"

1.747" to 1.753"

1 3/4"

1.872" to 1.878"

1 7/8"

1.890" to 2.087"

1.890" to 2.090"

1.997" to 2.003"

2.087" to 2.283"

2.090" to 2.290"

2.123" to 2.128"

2 1/8"

2 3/16"

2.249" to 2.255"

2 1/4"

2.283" to 2.48"

2.374" to 2.380"

2 3/8"

2.480" to 2.677"

2.480" to 2.680"

2 1/2"

2.500" to 2.506"

2 5/8"

2.625" to 2.631"

2.677" to 2.874"

2.680" to 2.880"

2 3/4"

2.750" to 2.756"

2.873" to 2.879"

2.874" to 3.071"

2 7/8"

2.880" to 3.070"

3.000" to 3.006"

3 1/16"

3.070" to 3.270"

3.071" to 3.268"

3 1/4"

3.465" to 3.661"

3.470" to 3.660"

3 1/2"

3.661" to 3.858"

3 3/4"

3.858" to 4.134"

3.860" to 4.140"

11.500 to 12.500mm

13.500 to 15.500mm

15.500 to 17.500mm

19.000 to 21.000mm

24.000 to 27.000mm

29.000 to 31.000mm

33.000 to 36.000mm

38.000 to 43.000mm

48.000 to 53.000mm

	Seal OD Seal OD

	Seal ID Seal ID

	Seal Width Seal Width

	For Bore Diameter For Bore Diameter

	For Use With For Use With

	For Motion Type For Motion Type


Rotary	Reciprocating

Oscillating

	For Rod Diameter For Rod Diameter

	For Sealing For Sealing

Shafts

Rods

Pistons

	For Groove Diameter For Groove Diameter

	Material Material

	Cylinder Seal Type Cylinder Seal Type

	Maximum Pressure Maximum Pressure

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	Maximum Speed Maximum Speed

	Color Color

	Black		White
	Gray		Blue
	Beige		Brown
	Gold

	For Cylinder Type For Cylinder Type

Hydraulic

Air-Powered

	Hardness Hardness

	Hardness Rating Hardness Rating

	Loader Type Loader Type


Spring	O-Ring

Square Profile O-Ring	Diamond- Profile O-Ring

T-Profile O- Ring

	For Groove Width For Groove Width

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How can we improve?

1,051 Products

Dynamic Seals

Rotary Shaft Seals

Designed for a leak-resistant seal on rotating shafts in motors, pumps, and gearboxes.

Reciprocating Rod and Piston Seals

For use on rods and pistons in hydraulic and air cylinders.

Stackable V-Ring Packing Seals

Stack as many V-ring packing seals as you need to fill grooves in valves, pumps, and cylinders.

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