The YNF17391 Oil Seal (45×75×8–8.5, CFW type) is a precision-engineered component designed for hydraulic systems, engines, and rotating shafts in construction and industrial machinery. Made from high-quality, oil-resistant materials, this seal effectively prevents oil leakage while protecting shafts and housings from dust and contaminants. Its durable construction ensures stable performance under pressure, speed, and heavy-duty working conditions, making it suitable for both OEM replacement and maintenance applications.

• Part No.: YNF17391

• Type: CFW oil seal

• Dimensions: 45×75×8–8.5 mm (ID × OD × Width)

• Designed for reliable shaft sealing in hydraulic and engine systems

• Oil-resistant and wear-resistant construction

• Prevents leakage and contamination ingress

• Stable performance under pressure, speed, and rotation

• OEM-equivalent design for direct replacement

• Hydraulic pumps, motors, and cylinders

• Engine crankshafts and auxiliary shafts

• Excavators, loaders, and construction machinery

• Industrial rotating machinery

• Maintenance and repair of hydraulic and engine sealing systems

• Seal size and application verification

• Technical guidance for installation and usage

• Supply of related oil seals, dust seals, O-rings, and seal kits

• OEM-equivalent and aftermarket sealing solutions

• Individually packed to prevent deformation

• Clean, moisture-proof packaging

• Export-grade cartons for bulk shipments

• Suitable for express, air, or sea transport

Q: What is a CFW-type oil seal?
A: CFW refers to a specific design of oil seal suitable for dynamic and static sealing in hydraulic and engine applications.

Q: Can this oil seal handle high-speed rotation?
A: Yes, it is designed for standard hydraulic and engine shaft speeds under proper installation.

Q: How do I confirm this seal fits my equipment?
A: Provide your machine model or shaft/housing dimensions, and we will verify compatibility.

Q: Do you supply other CFW oil seal sizes?
A: Yes, we offer a wide range of CFW-type seals and other standard oil seal types.