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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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SKF Ball Bearings
Inside Diameter
66.55mm = 2.62inch
66.55mm = 2.62inch
Material
Nitrile
Nitrile
Outside Diameter
88.9mm = 3.5(3.1/2)inch
88.9mm = 3.5(3.1/2)inch
Type
R21
R21
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
41.15mm = 1.62inch
41.15mm = 1.62inch
Material
Nitrile
Nitrile
Outside Diameter
66.55mm = 2.62inch
66.55mm = 2.62inch
Type
R23
R23
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
66.55mm = 2.62inch
66.55mm = 2.62inch
Material
Nitrile
Nitrile
Outside Diameter
88.9mm = 3.5(3.1/2)inch
88.9mm = 3.5(3.1/2)inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
66.55mm = 2.62inch
66.55mm = 2.62inch
Material
Nitrile
Nitrile
Outside Diameter
88.9mm = 3.5(3.1/2)inch
88.9mm = 3.5(3.1/2)inch
Type
R23
R23
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
68.07mm = 2.68inch
68.07mm = 2.68inch
Material
Nitrile
Nitrile
Outside Diameter
88.9mm = 3.5(3.1/2)inch
88.9mm = 3.5(3.1/2)inch
Type
R21
R21
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
88.9mm = 3.5(3.1/2)inch
88.9mm = 3.5(3.1/2)inch
Type
R23
R23
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
88.9mm = 3.5(3.1/2)inch
88.9mm = 3.5(3.1/2)inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
88.9mm = 3.5(3.1/2)inch
88.9mm = 3.5(3.1/2)inch
Type
R23
R23
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
63.5mm = 2.5(2.1/2)inch
63.5mm = 2.5(2.1/2)inch
Material
Nitrile
Nitrile
Outside Diameter
89.91mm = 3.54inch
89.91mm = 3.54inch
Type
R23
R23
Width
10.92mm = 0.43inch
10.92mm = 0.43inch
Qty:
Inside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
89.91mm = 3.54inch
89.91mm = 3.54inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
63.5mm = 2.5(2.1/2)inch
63.5mm = 2.5(2.1/2)inch
Material
Nitrile
Nitrile
Outside Diameter
90.42mm = 3.56inch
90.42mm = 3.56inch
Type
R21
R21
Width
10.92mm = 0.43inch
10.92mm = 0.43inch
Qty:
Inside Diameter
60.2mm = 2.37inch
60.2mm = 2.37inch
Material
Nitrile
Nitrile
Outside Diameter
91.95mm = 3.62inch
91.95mm = 3.62inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
66.55mm = 2.62inch
66.55mm = 2.62inch
Material
Nitrile
Nitrile
Outside Diameter
91.95mm = 3.62inch
91.95mm = 3.62inch
Type
R23
R23
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
66.55mm = 2.62inch
66.55mm = 2.62inch
Material
Nitrile
Nitrile
Outside Diameter
91.95mm = 3.62inch
91.95mm = 3.62inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
91.95mm = 3.62inch
91.95mm = 3.62inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
72.9mm = 2.87inch
72.9mm = 2.87inch
Material
Nitrile
Nitrile
Outside Diameter
91.95mm = 3.62inch
91.95mm = 3.62inch
Type
R21
R21
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
60.2mm = 2.37inch
60.2mm = 2.37inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
63.5mm = 2.5(2.1/2)inch
63.5mm = 2.5(2.1/2)inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
63.5mm = 2.5(2.1/2)inch
63.5mm = 2.5(2.1/2)inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R23
R23
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
66.55mm = 2.62inch
66.55mm = 2.62inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
66.55mm = 2.62inch
66.55mm = 2.62inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R23
R23
Width
15.75mm = 0.62inch
15.75mm = 0.62inch
Qty:
Inside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R21
R21
Width
7.87mm = 0.31inch
7.87mm = 0.31inch
Qty:
Inside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R23
R23
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
72.9mm = 2.87inch
72.9mm = 2.87inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
74.42mm = 2.93inch
74.42mm = 2.93inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R23
R23
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
76.2mm = 3inch
76.2mm = 3inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R21
R21
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
76.2mm = 3inch
76.2mm = 3inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R23
R23
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
76.2mm = 3inch
76.2mm = 3inch
Material
Nitrile
Nitrile
Outside Diameter
95.25mm = 3.75(3.3/4)inch
95.25mm = 3.75(3.3/4)inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
41.15mm = 1.62inch
41.15mm = 1.62inch
Material
Nitrile
Nitrile
Outside Diameter
72.9mm = 2.87inch
72.9mm = 2.87inch
Type
R23
R23
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
63.5mm = 2.5(2.1/2)inch
63.5mm = 2.5(2.1/2)inch
Material
Nitrile
Nitrile
Outside Diameter
98.3mm = 3.87inch
98.3mm = 3.87inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
98.3mm = 3.87inch
98.3mm = 3.87inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
72.9mm = 2.87inch
72.9mm = 2.87inch
Material
Nitrile
Nitrile
Outside Diameter
98.3mm = 3.87inch
98.3mm = 3.87inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
76.2mm = 3inch
76.2mm = 3inch
Material
Nitrile
Nitrile
Outside Diameter
98.3mm = 3.87inch
98.3mm = 3.87inch
Type
R21
R21
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
79.25mm = 3.12inch
79.25mm = 3.12inch
Material
Nitrile
Nitrile
Outside Diameter
98.3mm = 3.87inch
98.3mm = 3.87inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Material
Nitrile
Nitrile
Outside Diameter
101.6mm = 4inch
101.6mm = 4inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
72.9mm = 2.87inch
72.9mm = 2.87inch
Material
Nitrile
Nitrile
Outside Diameter
101.6mm = 4inch
101.6mm = 4inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
74.42mm = 2.93inch
74.42mm = 2.93inch
Material
Nitrile
Nitrile
Outside Diameter
101.6mm = 4inch
101.6mm = 4inch
Type
R23
R23
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
49.02mm = 1.93inch
49.02mm = 1.93inch
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
Qty:
Inside Diameter
76.2mm = 3inch
76.2mm = 3inch
Material
Nitrile
Nitrile
Outside Diameter
101.6mm = 4inch
101.6mm = 4inch
Type
R21
R21
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
76.2mm = 3inch
76.2mm = 3inch
Material
Nitrile
Nitrile
Outside Diameter
101.6mm = 4inch
101.6mm = 4inch
Type
R23
R23
Width
10.92mm = 0.43inch
10.92mm = 0.43inch
Qty:
Inside Diameter
79.25mm = 3.12inch
79.25mm = 3.12inch
Material
Nitrile
Nitrile
Outside Diameter
101.6mm = 4inch
101.6mm = 4inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
82.55mm = 3.25(3.1/4)inch
82.55mm = 3.25(3.1/4)inch
Material
Nitrile
Nitrile
Outside Diameter
101.6mm = 4inch
101.6mm = 4inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
82.55mm = 3.25(3.1/4)inch
82.55mm = 3.25(3.1/4)inch
Material
Nitrile
Nitrile
Outside Diameter
101.6mm = 4inch
101.6mm = 4inch
Type
R23
R23
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
76.2mm = 3inch
76.2mm = 3inch
Material
Nitrile
Nitrile
Outside Diameter
104.65mm = 4.12inch
104.65mm = 4.12inch
Type
R21
R21
Width
10.92mm = 0.43inch
10.92mm = 0.43inch
Qty:
Inside Diameter
57.15mm = 2.25(2.1/4)inch
57.15mm = 2.25(2.1/4)inch
Material
Nitrile
Nitrile
Outside Diameter
76.2mm = 3inch
76.2mm = 3inch
Type
R21
R21
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
88.9mm = 3.5(3.1/2)inch
88.9mm = 3.5(3.1/2)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
Qty:
Inside Diameter
50.8mm = 2inch
50.8mm = 2inch
Material
Nitrile
Nitrile
Outside Diameter
69.85mm = 2.75(2.3/4)inch
69.85mm = 2.75(2.3/4)inch
Type
R23
R23
Width
9.4mm = 0.37inch
9.4mm = 0.37inch
Qty:
Inside Diameter
76.2mm = 3inch
76.2mm = 3inch
Material
Nitrile
Nitrile
Outside Diameter
101.6mm = 4inch
101.6mm = 4inch
Type
R23
R23
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty:
Inside Diameter
76.2mm = 3inch
76.2mm = 3inch
Material
Nitrile
Nitrile
Outside Diameter
104.65mm = 4.12inch
104.65mm = 4.12inch
Type
R21
R21
Width
12.7mm = 0.5(1/2)inch
12.7mm = 0.5(1/2)inch
Qty: