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SKF / CR Seals (formerly CR Seals) 21756 is a small bore radial shaft oil seal designed for light duty applications. This seal features a nitrile rubber (NBR) sealing lip with spring loading for reliable radial contact. Operating temperature range: -40°F to 250°F. Suitable for use in electric motors, gearboxes, pumps, and other rotating equipment. Prevents lubricant leakage and contaminant ingress.
MODEL 21756
Contact supplier for technical support on: 267-436-6000
$3.91 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
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Typically Ships in: 3 days
Returnable:No
SKF Seals - NBR / Buna-N / Nitrile Double Lip Seal The SKF 21756 Small Bore Seal is engineered for exceptional performance in sealing applications, specifically designed to prevent leakage in hydraulic and fluid handling systems. With its robust construction and advanced design features, this double lip seal offers reliable protection for components in various industrial and automotive applications.
Key Features
| Material Composition | Manufactured from high-quality NBR (Nitrile Butadiene Rubber), ensuring excellent resistance to wear, abrasion, and oil exposure. |
|---|---|
| Double Lip Design | Features a dual lip configuration that enhances sealing effectiveness, reduces friction, and minimizes the risk of leakage. |
| Size Specifications | Designed for small bore applications, this seal offers compatibility with a wide range of shafts and housing dimensions. |
| Temperature Range | Capable of operating effectively in temperatures ranging from -30°C to +100°C (-22°F to +212°F), making it suitable for diverse environmental conditions. |
| Durability | Engineered for longevity, the SKF seal maintains its integrity under pressure, contributing to reduced maintenance costs and extended equipment life. |
Applications
| Hydraulic Systems | Ideal for preventing fluid leakage in hydraulic cylinders and pumps, ensuring optimal system performance. |
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| Automotive | Perfect for use in engine components, power transmission systems, and other automotive applications requiring reliable sealing solutions. |
| Industrial Machinery | Suitable for various machinery applications that demand high-performance seals to protect against contaminants and maintain operational efficiency. |
Benefits
| Enhanced Reliability | The double lip design provides superior sealing performance, reducing the likelihood of failure and extending the lifespan of components. |
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| Cost-Effective Solution | By minimizing leaks and reducing maintenance needs, this seal contributes to lower operational costs and increased productivity. |
| Versatile Use | Its compatibility with multiple applications makes it a flexible choice for engineers and maintenance teams across industries. |
SKU: 1898386
Small diameter seals
I use a lot of small diameter inch dimension seals for the repair of older chainsaws. MRO is a great resource for many seals with very competitive prices and free shipping for larger orders. I will continue to use MRO whenever I can.
Read moreSKU: 1907550
Great service and product!
Doing boat repairs is trying at best when you are on the hard. While the clock tics by , the dollars add up. Being able to find, order and receive part in a timely fashoin is a tall order and MRO Supply was able to meet all of our needs! Great job MRO! We'll be back!
Read more
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SKU: 1898386
Small diameter seals
I use a lot of small diameter inch dimension seals for the repair of older chainsaws. MRO is a great resource for many seals with very competitive prices and free shipping for larger orders. I will continue to use MRO whenever I can.
Read moreSKU: 1907550
Great service and product!
Doing boat repairs is trying at best when you are on the hard. While the clock tics by , the dollars add up. Being able to find, order and receive part in a timely fashoin is a tall order and MRO Supply was able to meet all of our needs! Great job MRO! We'll be back!
Read moreDisclaimer: The return policy information shown below is merely an excerpt from SKF's General Conditions of Sale.
RETURN OF GOODS FOR CREDIT
Goods will not be accepted for return without prior written approval from SKF. The return freight must be prepaid by the Buyer. Unless return of Goods is due to Supplier error, Goods returned will be subject to a credit service fee of $25.00 or 15% of the credit value, whichever is greater. An additional service fee may apply is further inspection is required at the discretion of SKF