The 25x40x7 oil seal is a radial shaft seal commonly used in various machinery to prevent the leakage of lubricants and the ingress of contaminants. Here are the key specifications:
Technical Specifications:
- Internal Diameter (d): 25 mm
- External Diameter (D): 40 mm
- Width (B): 7 mm
- Material: Nitrile Rubber (NBR)
- Operating Temperature Range: -30°C to 120°C
- Material Hardness: 70 Shore A
- Maximum Allowable Pressure: 7.25 psi
- Maximum Operating Speed: 10 m/s
- Design: Single lip (R21 type)
Features:
- High Efficiency: Ensures optimal sealing performance.
- Durability: Made from high-quality nitrile rubber for long-lasting use.
- Versatility: Suitable for a wide range of applications in rotating and stationary machine components.
- Contamination Exclusion: Designed to prevent the ingress of dust and other contaminants.
Applications:
- Automotive Engines: Used in crankshafts and camshafts to prevent oil leakage.
- Industrial Gearboxes: Ensures lubrication stays within the gearbox while keeping contaminants out.
- Hydraulic pumps and Motors: Maintains the integrity of hydraulic systems by preventing fluid leakage.
- Agricultural Machinery: Used in tractors and other equipment to protect rotating shafts.
- Construction Equipment: Ensures the proper functioning of excavators, loaders, and other heavy machinery.
- Electric Motors: Prevents dust and moisture from entering the motor housing.
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