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A shaft seal (also known as a radial lip seal or oil seal) is a critical component used to prevent lubricant leakage and protect bearings from contaminants like dirt, dust, and moisture. It ensures smooth operation and extends the lifespan of rotating machinery.
Types of Shaft Seals
Radial Lip Seals - Most common type, used for rotating shafts (e.g., in engines, pumps, gearboxes)
Mechanical Seals - Used in high-pressure or high-speed applications (e.g., industrial pumps)
O-Ring Seals - Simple, cost-effective seals for static or low-speed applications
Cassette Seals - Pre-assembled units for easy installation in heavy machinery
V-Ring Seals - Flexible seals for axial and radial protection
Key Features & Benefits
Leak Prevention - Retains lubricants (oil, grease) inside the system
Contaminant Exclusion - Blocks dirt, water, and debris
Wear Resistance - Made from durable materials like NBR, FKM (Viton), PTFE, or silicone
Temperature & Chemical Resistance - Suitable for harsh environments
Reduced Friction - Optimized lip design for smooth rotation
Temperature Range - FKM for high heat, NBR for moderate conditions
Media Compatibility - Check chemical resistance (e.g., fuel, coolant)
Pressure & Load - Heavy-duty applications may need reinforced seals
Installation Tips
Clean shaft and housing before installation
Lubricate the seal lip to prevent dry starts
Avoid misalignment or over-pressing
Use proper tools to prevent damage
Why Choose Our Shaft Seals?
Precision-engineered for maximum durability
Wide range of sizes & materials for all applications
Tested for performance in extreme conditions
OEM & aftermarket compatibility
Need help selecting the right seal? Provide your application details, and we'll recommend the best solution!
Would you like additional details on a specific type of shaft seal?
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2012
Total Annual:
10000000-50000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Shanyan Industrial (Shanghai) Co., Ltd, & Quansi Industrial (Guanyun)Co.,Ltd a leading manufacturer and supplier of air compressor accessories.like Atlas, Gardner Denver,Ingersoll Rand,CompAir,Sullair,Fusheng, Kobelco,Unites,Bolete and so on. Our factory specializes in producing high-quali... Shanyan Industrial (Shanghai) Co., Ltd, & Quansi Industrial (Guanyun)Co.,Ltd a leading manufacturer and supplier of air compressor accessories.like Atlas, Gardner Denver,Ingersoll Rand,CompAir,Sullair,Fusheng, Kobelco,Unites,Bolete and so on. Our factory specializes in producing high-quali...
