Product Overview

The 235×280×15/22.5 mm radial shaft seal by DMHUI is engineered for large industrial machinery. This heavy-duty oil seal combines robust materials and precise design to ensure effective sealing, especially in high-load, high-contaminant, and high-vibration environments.

Key Features & Specifications

• Inner Diameter (Shaft Size): 235 mm

• Outer Diameter (Bore Size): 280 mm

• Width: 15 mm / 22.5 mm stepped (dual sealing profile)

• Seal Type: Radial shaft seal / oil seal

• Brand: DMHUI

• Material: Metal casing with elastomer sealing lip

• Color: Black sealing surface with metallic housing

• Design: Dual lip for fluid retention and dirt exclusion

• Application: Heavy-duty equipment, gearboxes, axles, motors

• Temperature Range: Estimated -40°C to +120°C (depending on compound)

• Pressure Resistance: Designed for dynamic environments with moderate pressure

• Vibration Resistance: Suitable for vibration-heavy machinery

• Dust & Water Protection: Secondary lip for contamination defense

• Mounting: Press-fit installation in housing bore

• Rotational Capability: Designed for rotating shafts

• Seal Code: 235-280-15/22.5

• Durability: Long service life with proper lubrication

• Manufacturing Standard: Industrial-grade sealing solution

• Packaging: Boxed with DMHUI branding

• Interchangeability: Replaces similar dimension oil seals

• Country of Manufacture: China

Advantages

- Large size for industrial-scale systems
- Dual lip for improved sealing performance
- Reliable in high-speed, vibration-prone applications
- Strong metal case for secure and stable mounting
- Suitable for contaminated or high-load environments

Applications

Commonly used in gear reducers, large electric motors, wind turbine systems, excavators, mining machinery, and hydraulic drive assemblies.