We never sell your data to third parties
SKF / CR Seals (formerly CR Seals) 557640 is a double lip radial shaft oil seal. Constructed with an XNBR sealing lip and spring-loaded garter spring for consistent radial sealing force. Operating temperature range: -40°F to 250°F. Suitable for use in electric motors, gearboxes, pumps, and other rotating equipment. Prevents lubricant leakage and excludes contaminants.
MODEL 557640
Contact supplier for technical support on: 267-436-6000
Call for Pricing - 888-671-2883
Typically Ships in: 1 day
Returnable: See conditions
SKF Seals - NBR Double Lip Oil Seal Introducing the SKF SEAL 557640, a high-performance NBR (Buna-N) double lip oil seal designed for superior sealing in various automotive and industrial applications. Engineered with precision, this oil seal offers an effective barrier against contaminants while retaining lubricants, ensuring optimal performance and longevity of machinery components.
Key Features
| Material Composition | Made from high-quality Nitrile (XNBR), which provides excellent resistance to oil, water, and other fluids, ensuring durability in demanding environments. |
|---|---|
| Double Lip Design | Features a double lip configuration that enhances the sealing effect, reducing leakage and protecting internal components from dirt and moisture ingress. |
| Garter Spring Reinforcement | Equipped with a garter spring to maintain consistent lip pressure against the shaft, optimizing sealing performance and extending the lifespan of the seal. |
| Temperature Range | Capable of withstanding temperatures from -30°C to +100°C (-22°F to +212°F), making it suitable for a variety of applications across different operational conditions. |
| Precision Engineering | Designed to meet high manufacturing standards, providing a reliable fit and effective sealing performance in critical applications. |
Applications
| Automotive Industry | Ideal for use in engine components, transmission systems, and oil pumps where fluid retention and contamination prevention are crucial. |
|---|---|
| Industrial Machinery | Suitable for hydraulic systems, power transmission equipment, and any machinery requiring robust sealing solutions. |
| Compatibility | The SKF SEAL 557640 is compatible with various shaft types, ensuring versatility in installation across multiple applications. |
Benefits
| Enhanced Reliability | The double lip design and garter spring ensure a dependable seal that minimizes wear and tear on components, enhancing overall machinery reliability. |
|---|---|
| Reduced Maintenance Costs | By preventing leaks and contamination, this oil seal helps reduce maintenance frequency and costs, leading to improved operational efficiency. |
| Extended Service Life | The high-quality NBR material and precision engineering contribute to longer service life, making it a cost-effective choice for sealing solutions. |
SKU: 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 moreSKU: 300488
Works good great delivery time
The seals works as they should. Delivery time was good
Read moreSKU: 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 more
| Brand | JW Winco |
| Model | 8W20LGG |
| Brand | Orbit Industries |
| Model | OF707-S |
SKU: 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 moreSKU: 300488
Works good great delivery time
The seals works as they should. Delivery time was good
Read moreSKU: 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 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