- Email: jasper@dtooilseal.com
- WhatsApp: +86 183 3255 8601
Dingtong is a professional double lip oil seal manufacturer, specializing in high-quality rotary shaft seals for automotive, industrial, hydraulic, and motor applications. Our skeleton oil seals are designed to provide reliable oil retention, dust protection, and long-term durability in high-speed and high-temperature environments.
We supply bulk orders and OEM projects to global clients, including automotive manufacturers, industrial system integrators, and aftermarket suppliers.
Dual-lip sealing design for enhanced oil retention and dust exclusion
Reinforced steel or stainless steel housing for stable mounting and long service life
Spring-loaded primary lip ensures consistent radial pressure
Wide material selection: NBR, FKM, ACM, VMQ (Silicone)
Optimized for rotation shafts in automotive, pump, motor, gearbox, and industrial machinery
Dingtong produces a wide range of double lip oil seals, covering multiple diameters and thicknesses for bulk procurement and OEM needs:
| Product Type | Typical Size Range (mm) | Application / Shaft Type | Key Features |
|---|---|---|---|
| T-type Skeleton Oil Seal | 12×22×7 ~ 50×80×10 | Rotary shafts, motors, pumps | Double lip, steel case, spring-loaded |
| S-type Skeleton Oil Seal | 15×25×7 ~ 60×90×12 | Industrial motors, hydraulic pumps | High oil retention, dust exclusion |
| D-type Skeleton Oil Seal | 20×35×7 ~ 80×100×12 | Automotive shafts, gearboxes | Dual-lip, reinforced metal housing |
| V-type Skeleton Oil Seal | 25×40×8 ~ 90×120×12 | Heavy-duty shafts, construction machinery | Double lip, high pressure resistance |
| PU Oil Seal | 12×22×6 ~ 60×80×10 | High-speed rotating shafts, pneumatic devices | Polyurethane lip, wear resistant |
| EC Seal (End Cover Seal) | 30×50×8 ~ 100×150×15 | Gearbox end cover, motor end caps | Precision sealing, double lip |
| V-type Cloth Oil Seal | 20×35×7 ~ 80×100×12 | Automotive engines, industrial machinery | Cloth-reinforced lip, dual-lip structure |
| Material | Features | Typical Applications |
|---|---|---|
| NBR | Standard oil resistance, cost-effective | Automotive engines, industrial motors |
| FKM / Viton | High temp & chemical resistance | Heavy-duty engines, chemical machinery |
| ACM | Oil & heat resistant | Transmission & hydraulic systems |
| VMQ (Silicone) | Excellent low-temp flexibility | Cold environment applications |
Automotive crankshaft and gearbox
Industrial motors and pumps
Hydraulic and pneumatic systems
Agricultural machinery and construction equipment
Household appliances and power tools
Our double lip oil seals are designed to meet continuous rotation, low friction, and minimal leakage requirements in these applications.
Precision molding and vulcanization
Dimensional inspection for ID/OD/width tolerance
Spring force and lip geometry testing
Dynamic leak testing under rotation and pressure
Batch traceability and OEM labeling
Dingtong guarantees consistent quality and long-term reliability for bulk supply.
We provide:
Private label and branded packaging
Customized dimensions and materials
Technical support for OEM product design
Flexible bulk order fulfillment and recurring supply
Engineering datasheets and sample approval
Supporting high-volume international procurement.
Experienced manufacturer of double lip oil seals and rotary shaft seals
Full range of sizes and materials for industrial and automotive use
Capable of OEM and bulk supply
Strict quality control with international export standards
Global shipping and logistics support
Dedicated technical and customer service
Looking for a reliable double lip oil seal manufacturer? Contact Dingtong today to request a quote, technical datasheet, or sample. We provide tailored solutions for bulk orders and OEM requirements.
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