Name: VOLVO truck wheel hub oil seal
Brand: PQKOILSEAL
SKU: 1587792 ,469.336 or 20441697,1522895,1591903
Availability: InStock
Rating: 5 (1 reviews)

No.1587792 ,469.336 or 20441697,1522895,1591903

Heavy-duty wheel hub oil seals are critical components in truck wheel systems, installed between the wheel hub and axle shaft (or hub carrier). Their core roles include:

Prevent Lubricant Leakage: Seal wheel hub bearings’ lubricating grease (or oil) to avoid wear and overheating due to insufficient lubrication.
Block Contaminants: Repel water, dust, mud, and road debris from entering the hub, preventing bearing corrosion and premature failure.
Withstand Heavy Loads: Endure radial and axial forces from truck weight (up to 40+ tons for heavy-duty models) and dynamic impacts from rough roads.
Resist High Speeds & Temperatures: Maintain sealing integrity at highway speeds (80–120 km/h) and during braking (temperatures up to 150°C).
PQK NATIONAL AND CR SEAL : 370001A,370003A,370069A,370023A,370021A,376590A,130528,

Get The Latest Quote

Description

Common Types and Structures

Most heavy-duty truck wheel hub seals use multi-lip combined seals or metal-cased rubber seals. Key types include:

1. Single-Piece Metal-Cased Lip Seal

Structure:
- Steel casing with integrated rubber sealing lips (primary lip for oil retention, secondary lip for dust exclusion).
- Spring-loaded primary lip ensures constant contact pressure against the shaft.
Application: Standard-duty trucks (e.g., 10–25 ton GVW) with moderate road conditions.
Advantage: Simple design, cost-effective.

2. Double-Lip Composite Seal

Structure:
- Inner lip (PTFE or FKM) for oil sealing; outer lip (NBR) with reinforced steel band for dust/water resistance.
- Optional metal wear sleeve (stainless steel) for the shaft contact area.
Application: Heavy-duty trucks (30+ ton GVW), dump trucks, or vehicles operating in harsh environments (mining, construction).
Advantage: Enhanced dual protection against leaks and contamination.

3. Mechanical Face Seal

Structure:
- Stationary carbon/graphite ring (mounted on the axle) and rotating steel ring (attached to the hub).
- Sealing via a precision-machined contact surface (no rubber components).
Application: Ultra-heavy-duty or specialty trucks (e.g., military vehicles, mining haul trucks).
Advantage: Zero leakage, extreme temperature resistance (up to 200°C), and long lifespan.

ABOUT US

Zhejiang Shangyu Oil Seal Co., Ltd. was founded in 1969 in China. PQK mainly produces oil seals ,O-rings ,Adhesive bonded seals,rubber products for the domestic and foreign automotive industry, household appliances, industrial machinery, Technical Committee PQK has obtained 46 national invention and utility model patents.
PQK has ISO 9001:2000 and IATF16949 certification. internal management system by ERP. products are used as supporting products for many domestic and foreign companies.PQK has the entire production capacity for rubber seals, including product R&D. Automatic high-speed punching machines for the production of rubber seals, numerically controlled metal processing , automatic injection vulcanizing machines, numerically controlled cutting , digital testing equipment, etc

Our Certificate

We firmly adheres to the concept of compliance, ensuring every product is reliable and safe to use.

CONTACT US

If you have any queries, get in touch today! Don't hesitate. We try to take the extra step for our customer satisfaction.

First Name*

Last Name*

Email*

Message*

Download

PROFESSIONAL RUBBER SEALS MANUFACTURER IN CHINA: ZHEJIANG SHANGYU OILSEALS CO.,LTD focus on the Oil seal,reducer seals,seal gasket,bearing seals

Provide customers with professional customized solutions and after-sales protection