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Sealing Ring NBR 390x430x20 | Double Lip Seal
Oil Seal RICH 390 x 430 x 20 NBR – Large Diameter Double Lip Sealing
Technical Specifications:
- Brand: RICH
- Type: Oil Seal / Shaft Seal / Sealing Ring
- Inner Diameter (d): 390 mm
- Outer Diameter (D): 430 mm
- Height (h): 20 mm
- Material: NBR (Nitrile Butadiene Rubber)
- Temperature Range: -30°C to +100°C
- Design: Double Lip with Garter Spring
- Country of Origin: China
Performance Characteristics:
- Optimized Oil Retention: The primary sealing lip is tensioned with a precision garter spring to maintain constant contact on the 390 mm shaft, even during slight axial run-outs.
- Contaminant Exclusion: The secondary auxiliary lip serves as a robust shield, preventing the ingress of environmental dust, water spray, and debris into the internal housing.
- NBR Durability: Formulated for excellent resistance to mineral oils, hydraulic fluids, and grease, making it the most cost-effective choice for standard industrial applications up to 100°C.
- Structural Integrity: The 20 mm height provides a wide contact area within the 430 mm housing, ensuring the seal remains securely seated and aligned under the mechanical stresses of large-scale equipment.
Transparency Note: This is a RICH brand product. Dimensions and technical specifications are provided for accurate part identification. Manufacturing follows strict quality control standards to ensure reliability across agricultural, hydraulic, and industrial sectors.
Data sheet
Inner Diameter
390
Outer Diameter
430
Width
20
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