Seals for 1/2" Shafts | McMaster-Carr

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System of Measurement

Shaft Diameter

0.210" to 0.260"

0.217" to 0.256"

0.370" to 0.450"

0.374" to 0.453"

0.450" to 0.530"

0.453" to 0.492"

0.610" to 0.689"

0.610" to 0.690"

0.690" to 0.770"

0.748" to 0.827"

0.827" to 0.945"

0.945" to 1.063"

0.950" to 1.070"

1.063" to 1.142"

1.070" to 1.140"

1.220" to 1.299"

1.220" to 1.300"

1.299" to 1.417"

1.300" to 1.420"

1.496" to 1.693"

1.500" to 1.700"

1.693" to 1.89"

1.700" to 1.890"

1.890" to 2.087"

1.890" to 2.090"

2.087" to 2.283"

2.090" to 2.290"

2.283" to 2.48"

2.290" to 2.480"

2.480" to 2.677"

2.480" to 2.680"

2.677" to 2.874"

2.680" to 2.880"

2.874" to 3.071"

2.880" to 3.070"

3.070" to 3.270"

3.071" to 3.268"

3.465" to 3.661"

3.470" to 3.660"

3.660" to 3.860"

3.661" to 3.858"

3.858" to 4.134"

3.860" to 4.140"

9.500 mm to 11.500 mm

11.500 mm to 12.500 mm

13.500 mm to 15.500 mm

15.500 mm to 17.500 mm

17.500 mm to 19.000 mm

19.000 mm to 21.000 mm

21.000 mm to 24.000 mm

24.000 mm to 27.000 mm

29.000 mm to 31.000 mm

31.000 mm to 33.000 mm

33.000 mm to 36.000 mm

38.000 mm to 43.000 mm

43.000 mm to 48.000 mm

48.000 mm to 53.000 mm

53.000 mm to 58.000 mm

58.000 mm to 63.000 mm

63.000 mm to 68.000 mm

Seal ID

Seal OD

Seal Width

For Use With

Diluted Salt Solutions

Synthetic Lubricants

Transmission Fluid

Calcium Hydroxide

Ethylene Glycol

Bore Diameter

Material

300 Series Stainless Steel

Shaft Seal Motion

Loaded Type

Maximum Pressure

Less than 1,000 psi

For Sealing

Spring Material

304 Stainless Steel

Maximum Temperature

Less than 500° F

For Minimum Bore Width

Reinforcement Type

Seat OD

Color

Manufacturer/Brand Equivalent

John Crane Type 6

John Crane Type 6A

John Crane Type 21

Pac-Seal Type 16

Pac-Seal Type 21

Pac-Seal Type 31

Pac-Seal Type 68

Sealol Type 43 CE Short

Sealol Type 43 CU Short

Sealol Type 60L

Specifications Met

Core Material

Maximum Rotation Speed

REACH

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

19 Products

Sealing

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Shaft Repair Sleeves

Shaft Repair Sleeves

Cover worn shafts with a smooth and protective sealing surface without machining

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)