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Imperial Oil Seals
Bearings Oil Seals & O-rings Oil Seals
We offer a comprehensive range of imperial nitrile covered rotary shaft oil seals suitable for a variety of industrial applications. With single lip seals available in R21 and R23 types, and sizes from 1/4" up to 8 1/4" inside diameter, we have the oil seals you need for bearing and shaft protection. All seals feature nitrile rubber construction for durability, with press fit installation. Browse our catalog of over 600 oil seals by inside diameter, outside diameter, width, or type to find the perfect fit. Trust us as your supplier for high quality imperial oil seals.
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O-ring Cord
Imperial Ball Bearings
SKF Ball Bearings
Inside Diameter
25.4mm = 1inch
25.4mm = 1inch
Material
Nitrile
Nitrile
Outside Diameter
34.8mm = 1.37inch
34.8mm = 1.37inch
Type
R21
R21
Width
6.35mm = 0.25(1/4)inch
6.35mm = 0.25(1/4)inch
Inside Diameter
15.75mm = 0.62inch
15.75mm = 0.62inch
Material
Nitrile
Nitrile
Outside Diameter
34.8mm = 1.37inch
34.8mm = 1.37inch
Type
R21
R21
Width
7.87mm = 0.31inch
7.87mm = 0.31inch
Inside Diameter
82.55mm = 3.25(3.1/4)inch
82.55mm = 3.25(3.1/4)inch
Material
Nitrile
Nitrile
Outside Diameter
107.95mm = 4.25(4.1/4)inch
107.95mm = 4.25(4.1/4)inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Inside Diameter
82.55mm = 3.25(3.1/4)inch
82.55mm = 3.25(3.1/4)inch
Material
Nitrile
Nitrile
Outside Diameter
107.95mm = 4.25(4.1/4)inch
107.95mm = 4.25(4.1/4)inch
Type
R23
R23
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Inside Diameter
42.67mm = 1.68inch
42.67mm = 1.68inch
Material
Nitrile
Nitrile
Outside Diameter
63.5mm = 2.5(2.1/2)inch
63.5mm = 2.5(2.1/2)inch
Type
R23
R23
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Inside Diameter
101.6mm = 4inch
101.6mm = 4inch
Material
Nitrile
Nitrile
Outside Diameter
127mm = 5inch
127mm = 5inch
Type
R23
R23
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Inside Diameter
41.15mm = 1.62inch
41.15mm = 1.62inch
Material
Nitrile
Nitrile
Outside Diameter
63.5mm = 2.5(2.1/2)inch
63.5mm = 2.5(2.1/2)inch
Type
R21
R21
Width
7.87mm = 0.31inch
7.87mm = 0.31inch
Inside Diameter
15.75mm = 0.62inch
15.75mm = 0.62inch
Material
Nitrile
Nitrile
Outside Diameter
25.4mm = 1inch
25.4mm = 1inch
Type
R23
R23
Width
6.35mm = 0.25(1/4)inch
6.35mm = 0.25(1/4)inch
Inside Diameter
19.05mm = 0.75(3/4)inch
19.05mm = 0.75(3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
34.8mm = 1.37inch
34.8mm = 1.37inch
Type
R23
R23
Width
6.35mm = 0.25(1/4)inch
6.35mm = 0.25(1/4)inch
Inside Diameter
38.1mm = 1.5(1.1/2)inch
38.1mm = 1.5(1.1/2)inch
Material
Nitrile
Nitrile
Outside Diameter
52.32mm = 2.06inch
52.32mm = 2.06inch
Type
R21
R21
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Inside Diameter
38.1mm = 1.5(1.1/2)inch
38.1mm = 1.5(1.1/2)inch
Material
Nitrile
Nitrile
Outside Diameter
50.8mm = 2inch
50.8mm = 2inch
Type
R21
R21
Width
6.35mm = 0.25(1/4)inch
6.35mm = 0.25(1/4)inch
Inside Diameter
57.15mm = 2.25(2.1/4)inch
57.15mm = 2.25(2.1/4)inch
Material
Nitrile
Nitrile
Outside Diameter
85.6mm = 3.37inch
85.6mm = 3.37inch
Type
R23
R23
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Inside Diameter
31.75mm = 1.25(1.1/4)inch
31.75mm = 1.25(1.1/4)inch
Material
Nitrile
Nitrile
Outside Diameter
50.8mm = 2inch
50.8mm = 2inch
Type
R23
R23
Width
6.35mm = 0.25(1/4)inch
6.35mm = 0.25(1/4)inch
Inside Diameter
38.1mm = 1.5(1.1/2)inch
38.1mm = 1.5(1.1/2)inch
Material
Nitrile
Nitrile
Outside Diameter
50.8mm = 2inch
50.8mm = 2inch
Type
R23
R23
Width
7.87mm = 0.31inch
7.87mm = 0.31inch
Inside Diameter
38.1mm = 1.5(1.1/2)inch
38.1mm = 1.5(1.1/2)inch
Material
Nitrile
Nitrile
Outside Diameter
57.15mm = 2.25(2.1/4)inch
57.15mm = 2.25(2.1/4)inch
Type
R23
R23
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Inside Diameter
25.4mm = 1inch
25.4mm = 1inch
Material
Nitrile
Nitrile
Outside Diameter
38.1mm = 1.5(1.1/2)inch
38.1mm = 1.5(1.1/2)inch
Type
R23
R23
Width
6.35mm = 0.25(1/4)inch
6.35mm = 0.25(1/4)inch
Inside Diameter
31.75mm = 1.25(1.1/4)inch
31.75mm = 1.25(1.1/4)inch
Material
Nitrile
Nitrile
Outside Diameter
47.5mm = 1.87inch
47.5mm = 1.87inch
Type
R21
R21
Width
6.35mm = 0.25(1/4)inch
6.35mm = 0.25(1/4)inch
Inside Diameter
19.05mm = 0.75(3/4)inch
19.05mm = 0.75(3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
28.45mm = 1.12inch
28.45mm = 1.12inch
Type
R23
R23
Width
6.35mm = 0.25(1/4)inch
6.35mm = 0.25(1/4)inch
Inside Diameter
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Material
Nitrile
Nitrile
Outside Diameter
22.1mm = 0.87inch
22.1mm = 0.87inch
Type
R23
R23
Width
6.35mm = 0.25(1/4)inch
6.35mm = 0.25(1/4)inch
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