Premium Wheel Hub Oil Seal China Factory Reliable Cassette Seal Suppliers

High-precision cassette seals from a leading China factory. Featuring an integrated sleeve and labyrinth system for superior reliability and longevity. As trusted suppliers, we offer seals that require no shaft maintenance during replacement, ensuring maximum equipment lifespan.

SupplierHebei Hankai Machinery Equipment Co., Ltd.www.hkaiseal.com

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About this product

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Our premium Wheel Hub Oil Seals, including the high-precision Cassette oil seal (487514/17), are engineered specifically for heavy-duty agricultural tractors and industrial machinery. Combining high-grade rubber with an integrated metal ring, these seals provide an impenetrable barrier against contaminants while ensuring lubricant retention in the most demanding environments.

Designed for superior durability and precise fitment, our seals are available in a vast range of OEM specifications, including COMBI, RWDR-KASSETTE, and SYSTEM 500 series. Whether you require standard sizes or customized dimensions for specific machinery, our products deliver the attrition resistance and reliability necessary to minimize downtime and maximize equipment lifespan.

Detailed Parameters

Product Name	Wheel Hub Oil Seal	Material	Rubber with Metal Ring
Application	Tractor Wheel Hubs	Key Feature	High Attrition Resistance
Standard	Standard or Customized	Origin	Hebei, China
MOQ	20 pieces	Common Types	COMBI, RWDR-KASSETTE
Example Size	487514/17	OEM Ref	12019113B

Key Advantages

Wear Resistance

Engineered with advanced rubber compounds to resist friction and abrasion in harsh operating conditions.

Extended Lifespan

The metal ring reinforcement prevents deformation, significantly extending the service interval of the seal.

Precision Fit

Strict adherence to OEM specifications ensures a leak-proof installation for various tractor models.

Multi-Material Options

Available in NBR, HNBR, and PTFE combinations to suit different temperature and chemical requirements.

Diverse Catalog

Over 100 standard sizes available, ranging from 30mm to 545mm bore diameters for total coverage.

Customizable Specs

Capability to manufacture non-standard sizes based on customer technical drawings and requirements.

Product Gallery

Management Platforms

Inventory Control

Comprehensive tracking of 100+ seal sizes to ensure rapid shipping and availability.

Quality Assurance

Rigorous testing for attrition resistance and leak-proof performance before dispatch.

Order Tracking

Real-time updates from production in Hebei to final delivery at your facility.

OEM Matching

Digital database to quickly match part numbers (e.g., 12019113B) to exact dimensions.

Bulk Logistics

Optimized packaging for MOQ 20pcs and larger wholesale orders to prevent transit damage.

Custom Engineering

Dedicated support for designing non-standard seals for specialized agricultural equipment.

Investment Return Comparison

Performance Metric	Standard Rubber Seals	Our Reinforced Seals	ROI Impact
Service Life	Short-term	Long-term Durable	Reduced Replacement Cost
Leakage Rate	Moderate	Ultra-Low	Less Lubricant Waste
Installation Fit	Generic	Precision OEM	Zero Fitment Downtime
Wear Resistance	Basic	Enhanced Metal-Ring	Lower Maintenance Labor
Equipment Safety	Average	High Reliability	Prevention of Hub Failure

Frequently Asked Questions

Q: What is the main difference between a COMBI seal and a KASSETTE seal?

COMBI seals are typically combined lip seals, while KASSETTE seals are integrated units that include the seal and the housing/sleeve, offering easier installation and better stability in the hub.

Q: Can you manufacture rubber seals with non-standard dimensions?

Yes, we offer fully customized seal manufacturing. Please provide your required dimensions (Inner Diameter x Outer Diameter x Thickness) or a technical drawing for a quote.

Q: Which materials are best for high-temperature tractor applications?

For high-temperature or chemically aggressive environments, we recommend HNBR or NBR+PTFE materials, which offer superior thermal stability compared to standard rubber.

Q: How do I ensure the oil seal I order matches my OEM part number?

Our catalog cross-references OEM part numbers (such as 12019113B) with precise dimensions. Simply provide the part number, and we will verify the size for you.

Q: Why is a metal ring included in the rubber seal design?

The metal ring provides structural reinforcement, ensuring the seal maintains its shape under high pressure and preventing the rubber from migrating or leaking.

Q: What is the minimum order quantity for bulk hub oil seals?

Our minimum order quantity (MOQ) is 20 pieces, which allows us to maintain strict quality control and competitive pricing for our clients.