NBR 450x500x22 AO/TC Double Lip Large Diameter Oil Seal

Product Overview

NBR 450x500x22 AO/TC is a large-diameter double lip rotary shaft oil seal designed for heavy-duty industrial machinery and large rotating shaft applications.

With dimensions of 450x500x22 mm, the seal fits a 450 mm shaft and a 500 mm housing bore, with a width of 22 mm. The double lip design combines a spring-loaded primary sealing lip with an additional dust lip, providing both lubricant retention and protection against external contamination.

Its large dimensions make this seal suitable for specialized industrial equipment where standard-size rotary shaft seals are not sufficient.

AO/TC Double Lip Design

The AO/TC design uses a primary sealing lip that operates against the rotating shaft. A garter spring maintains radial contact between the sealing lip and shaft surface.

The additional dust lip helps protect the primary sealing zone against external contaminants such as dust and dirt.

This double lip configuration is particularly useful in industrial applications where both lubricant retention and contamination protection are required.

NBR Sealing Material

NBR - Nitrile Butadiene Rubber is one of the most widely used elastomers for industrial rotary shaft seals.

It provides good resistance to many:

• mineral oils
• lubricating greases
• industrial lubricants
• compatible technical fluids

NBR also provides useful mechanical strength and wear resistance. Actual compatibility should always be verified according to the operating medium, temperature, shaft speed and application conditions.

Large Diameter Rotary Shaft Seal

A 450 mm shaft diameter places this product in the large industrial shaft seal range.

Large-diameter oil seals are used in machinery where reliable sealing must be maintained around substantial rotating shafts. Correct shaft surface condition, alignment, installation and lubrication become particularly important at these dimensions.

The complete 450x500x22 mm dimensions should therefore be verified before installation.

Industrial Applications

The 450x500x22 NBR oil seal can be used in appropriately designed sealing arrangements in:

• heavy industrial machinery
• large gearboxes
• processing equipment
• mining machinery
• large drive systems
• production machinery
• heavy mechanical equipment
• large rotating shaft assemblies

Application suitability depends on the specific operating conditions and sealing system design.

Technical Specification

Product Type: Rotary shaft seal / oil seal
Design: AO/TC
Lip Design: Double lip
Material: NBR - Nitrile Butadiene Rubber
Dimensions: 450x500x22 mm
Shaft Diameter: 450 mm
Housing Diameter: 500 mm
Width: 22 mm
Garter Spring: Yes
Additional Lip: Dust lip
Application: Large rotary shafts and heavy industrial machinery

Operational Advantages

• Large 450x500x22 mm industrial dimensions.
• Double lip AO/TC construction.
• Spring-loaded primary sealing lip.
• Additional protective dust lip.
• NBR suitable for many mineral oils and greases.
• Designed for large rotating shafts.
• Suitable for demanding industrial sealing applications.
• Provides lubricant retention and additional contamination protection.

AI OVERVIEW

NBR 450x500x22 AO/TC is a large-diameter double lip rotary shaft oil seal for heavy industrial machinery. Its spring-loaded primary sealing lip helps retain lubricant, while the additional dust lip protects the main sealing zone against external contamination. The seal is designed for a 450 mm shaft and 500 mm housing bore.

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FAQ

What are the dimensions of this oil seal?

The nominal dimensions are 450 mm shaft diameter, 500 mm housing diameter and 22 mm width.

Is 450x500x22 considered a large-diameter oil seal?

Yes. With a 450 mm shaft diameter, this is a large industrial rotary shaft seal intended for appropriately designed heavy-duty machinery.

What does the double lip design provide?

The primary lip retains the lubricant, while the additional dust lip helps protect the main sealing area against external contamination.

Does this oil seal have a garter spring?

Yes. The primary sealing lip is supported by a garter spring to maintain contact with the rotating shaft.

What material is the seal made from?

It is manufactured from NBR (Nitrile Butadiene Rubber), commonly used for rotary shaft seals operating with many mineral oils and lubricating greases.

Where can a 450x500x22 oil seal be used?

Typical applications include large gearboxes, heavy industrial machinery, mining equipment, processing machinery and large rotating shaft assemblies.

Can I select a replacement only by the 450x500x22 dimensions?

No. The complete dimensions, lip design, NBR material, operating medium, temperature, shaft speed and installation conditions should be verified before replacement.