1. Product Overview
This series covers TC, SC, TB, SB, EC radial shaft oil seals (ISO 6194 compliant), designed for rotary
sealing to retain lubricants and block contaminants. Each type
differs in lip count, skeleton coating, spring design, and pressure
resistance, covering low-to-medium pressure, general industrial,
automotive, and aftermarket applications worldwide.
2. Core Type Definitions & Structural Features
- TC: Double lip (main seal + dust lip), full rubber-coated steel
skeleton, spring-loaded primary lip; best for dusty environments,
universal fit.
- SC: Single lip, full rubber-coated skeleton, spring-loaded;
cost-effective, clean indoor applications, no dust requirement.
- TB: Single lip, bare metal (uncoated) steel skeleton, spring-loaded;
high rigidity, stable fit, gearbox/pump internal use.
- SB: Single lip, bare metal skeleton, springless; low friction,
high-speed light-load, low-cost replacement.
- EC: Double lip, thin rubber-coated skeleton, reinforced lip; medium
pressure, anti-extrusion, hydraulic/pneumatic systems.
3. Performance | Type | Lip Count | Skeleton Coating | Spring | Max Pressure (Dynamic) | Temp Range (NBR) | Max Speed | Key Feature |
|---|
| TC | 2 (Main+Dust) | Full Rubber | Yes | ≤0.03 MPa | -40~+120°C | ≤15 m/s | Dust-proof, universal | | SC | 1 | Full Rubber | Yes | ≤0.03 MPa | -40~+120°C | ≤15 m/s | Cost-effective, clean | | TB | 1 | Bare Metal | Yes | ≤0.04 MPa | -30~+120°C | ≤12 m/s | High rigidity, stable | | SB | 1 | Bare Metal | No | ≤0.02 MPa | -30~+100°C | ≤20 m/s | Low friction, high speed | | EC | 2 | Thin Rubber | Yes | ≤0.1 MPa | -30~+130°C | ≤12 m/s | Medium pressure, anti-extrusion |
4. Key Advantages
- Full type coverage: One supplier for all general sealing needs,
reduces procurement complexity.
- ISO standard dimensions (φ6~φ200mm), compatible with global
OEM/aftermarket.
- Material options: NBR (standard), FKM (high temp), EPDM
(water/steam) available.
- Easy press-fit installation, suitable for automated assembly lines.
5. Typical Applications
- Automotive: Crankshaft, camshaft, gearbox, wheel hub.
- Industrial: Motors, fans, pumps, gearboxes, agricultural machinery.
- Aftermarket: Universal replacement for light/medium equipment.
|
