System of Measurement System of Measurement |
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For Shaft Diameter For Shaft Diameter | Show |
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For Shaft Diameter For Shaft Diameter | Hide |
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For Use With For Use With |
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For Motion Type For Motion Type |
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![]() | Rotary |
Material Material |
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Maximum Temperature Maximum Temperature |
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For Sealing For Sealing |
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Shafts |
RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Hardness Rating Hardness Rating |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Loader Type Loader Type |
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Spring | O-Ring |
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Diamond- Profile O-Ring |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Spring Material Spring Material |
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Bore-Sealing Spring-Loaded Rotary Shaft Seals with Wiper Lip



Ribbed Buna-N over steel creates a tight seal with the bore, even when mating with a rough surface or in a split housing. Also known as oil seals, these retain oil on rotating shafts in motors, pumps, bearings, and gearboxes. They have a secondary lip that blocks contaminants and a spring that secures the sealing-lip to prevent leaks. Press-fit seals into the bore around the shaft. Seals with a maximum pressure of 145 psi should be secured with a retaining ring.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.

For Bore | |||||||||
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For Shaft Dia. | Dia. | Min. Wd. | Max. Speed, rpm | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Each | |
Buna-N Rubber with Steel Core and Spring | |||||||||
2 1/2" | 3.250" | 0.387" | 375 | 7 | -40° to 212° | Durometer 70A (Hard) | Black | 0000000 | 00000 |
Spring-Loaded Rotary Shaft Seals with Wiper Lip



Used to retain oil on rotating shafts in motors, pumps, bearings, and gearboxes, these seals have a secondary lip that blocks contaminants. Also known as oil seals, a spring secures the lip against the shaft, preventing messy leaks. Press-fit seals into the bore around the shaft. Seals with a maximum pressure of 50 psi should be secured with a retaining ring.
Seals with an acrylic-coated case have a coating that compensates for surface imperfections in the housing bore for a tight seal on the OD.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.

For Bore | Case | |||||||||||
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For Shaft Dia. | Dia. | Min. Wd. | Max. Speed, rpm | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Finish | Color | Specifications Met | Each | |
Buna-N Rubber with Steel Case and Spring | ||||||||||||
2 1/2" | 3.250" | 0.391" | 2,600 | 10 | -40° to 210° | Durometer 80A (Hard) | Black | Acrylic Coated | Green | DIN 3760, ISO 6194 | 0000000 | 00000 |
2 1/2" | 3.251" | 0.366" | 2,600 | 50 | -40° to 210° | Durometer 80A (Hard) | Black | Acrylic Coated | Green | DIN 3760, ISO 6194 | 0000000 | 00000 |
Spring-Loaded Rotary Shaft Seals



Also known as oil seals, use these to retain oil on rotating shafts in motors, pumps, bearings, and gearboxes. A spring secures the lip against the shaft, preventing messy leaks. Press-fit seals into the bore around the shaft.
Seals with an acrylic-coated case have a coating that compensates for surface imperfections in the housing bore for a tight seal on the OD.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.

For Bore | Case | |||||||||||
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For Shaft Dia. | Dia. | Min. Wd. | Max. Speed, rpm | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Finish | Color | Specifications Met | Each | |
Buna-N Rubber with Steel Case and Spring | ||||||||||||
2 1/2" | 3.251" | 0.391" | 2,600 | 10 | -40° to 210° | Durometer 75A (Hard) | Black | Acrylic Coated | Green | DIN 3760, ISO 6194 | 00000000 | 000000 |
Spring-Loaded Rotary Shaft Seals for Misaligned Shafts




Designed with an extended lip, these seals have the flexibility to accommodate shaft misalignment up to 0.125". Also known as clipper seals, they retain oil on rotating shafts in motors, pumps, bearings, and gearboxes. A spring secures the lip to prevent leaks. Press-fit seals into the housing bore around the shaft; they fit tight for installation without a cover plate.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.
For Bore | ||||||||||
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For Shaft Dia. | Dia. | Min. Wd. | Max. Speed, rpm | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Case Color | Each | |
Buna-N Rubber with Aramid Fiber Case and Stainless Steel Spring | ||||||||||
2 1/2" | 3.750" | 0.563" | 1,500 | 7 | -20° to 250° | Durometer 75A (Hard) | Black | Black | 0000000 | 000000 |
Rotary Shaft Seals for Grease



Also known as grease seals, these are designed to retain thick lubricant at low pressure in motors, pumps, bearings, and gearboxes. They have a light grip on the shaft that creates less friction than spring-loaded seals. Press-fit seals into the bore around the shaft.
Seals with an acrylic-coated case have a coating that compensates for surface imperfections in the housing bore for a tight seal on the OD.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.

For Bore | Case | |||||||||||
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For Shaft Dia. | Dia. | Min. Wd. | Max. Speed, rpm | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Finish | Color | Specifications Met | Each | |
Buna-N Rubber with Steel Case | ||||||||||||
2 1/2" | 3.000" | 0.266" | 2,600 | 10 | -40° to 210° | Durometer 75A (Hard) | Black | Acrylic Coated | Green | DIN 3760, ISO 6194 | 0000000 | 000000 |
High-Speed Rotary Shaft Seals




A slippery PTFE surface allows these seals to function at speeds at least 25% faster than other rotary shaft seals. Also known as oil seals, use these to retain oil on rotating shafts in motors, pumps, bearings, and gearboxes. An O-ring secures the lips to prevent leaks, while sealing against the housing. Press-fit seals into the bore around the shaft.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.
For Bore | O-Ring | ||||||||||
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For Shaft Dia. | Dia. | Min. Wd. | Max. Speed, rpm | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Hardness | Color | Each | |
Graphite-Filled PTFE Plastic with Buna-N Rubber O-Ring | |||||||||||
2 1/2" | 3.000" | 0.323" | 7,600 | 150 | -40° to 250° | Durometer 60D (Extra Hard) | Black | Durometer 70A (Hard) | Black | 0000000 | 000000 |
Shaft-Mounted Rotary Seals
Also known as V-rings and flingers, these seals protect shaft bearings by blocking dust and other contaminants while retaining lubricant. They’re Buna-N for excellent resistance to oil and grease. To install, stretch the seal over your shaft and press it firmly against the face plate. The Seal ID, OD, and Width listed are the dimensions of the seal after it is installed.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.




For Shaft | Seal | |||||||||||
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Dia. | Dia. Range | For Face Plate Dia. | ID | OD | Wd. | Max. Speed, rpm | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Each | |
Buna-N Rubber | ||||||||||||
2 1/2" | 2.480"-2.680" | 3.080"-3.280" | 2.282" | 3.109" | 0.500" | 2,600 | 100 | -20° to 225° | Durometer 85A (Hard) | Black | 0000000 | 00000 |
Heavy Duty Shaft-Mounted Rotary Seals




These seals are fluoroelastomer, so they have excellent chemical resistance and withstand temperatures up to 390° F. Also known as V-rings and flingers, they protect shaft bearings by blocking dust and other contaminants while retaining lubricant. To install, stretch the seal over your shaft and press it firmly against the face plate.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.
For Shaft | Seal | |||||||||||
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Dia. | Dia. Range | For Face Plate Dia. | ID | OD | Wd. | Max. Speed, rpm | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Each | |
Fluoroelastomer Rubber | ||||||||||||
2 1/2", 2 5/8" | 2.480"-2.677" | 3.071"-3.268" | 2.283" | 2.677" | 0.354" | 2,600 | 5 | 5° to 390° | Durometer 60A (Medium) | Brown | 0000000 | 000000 |
Shaft Repair Sleeves


Also known as speedi sleeves, use these to repair and protect worn shafts for a smooth sealing surface without machining. Each sleeve comes with an installation tool. To install, place the installation tool around the sleeve and gently tap the installation tool until the sleeve covers the worn shaft surface.
For technical drawings and 3-D models, click on a part number.
For Shaft | Flange | |||||||
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Dia. | Dia. Range | Max. Installed Dp. | Sealing Face Wd. | OD | Wd. | Sleeve Thick. | Each | |
300 Series Stainless Steel | ||||||||
2 1/2" | 2.500"-2.506" | 1.375" | 0.781" | 2.820" | 0.157" | 0.011" | 0000000 | 000000 |
Mechanical Shaft Seals



Commonly used in mixing and grinding equipment, conveyors, and construction machinery, these seals withstand exposure to abrasive material. Their metal-to-metal sealing surface provides durability for long-term service in heavily contaminated environments. Seals have two highly-polished iron rings secured by diamond-shaped O-rings that make a tight seal against the housing.
Note: Maximum performance values cannot be achieved simultaneously; for example, speed is affected by pressure, temperature, and other operating conditions.
For technical drawings and 3-D models, click on a part number.
For Bore | Seal | O-Ring | |||||||||||||
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For Shaft Dia. | Dia. | Single Side Wd. | O'all Wd. | For Max. Shoulder Dia. | ID | OD | Wd. | O'all Wd. | Max. Speed, rpm | Max. Pressure, psi | Temp. Range, °F | Hardness | Color | Each | |
Cast Iron with Buna-N Rubber O-Ring | |||||||||||||||
2 1/2" | 3.762" | 0.422" | 0.907" | 3.188" | 2.580" | 3.762" | 0.840" | 0.907" | 515 | 35 | -10° to 212° | Durometer 80A (Hard) | Black | 0000000 | 0000000 |