NBR Oil Seal 14x22x7 TC - Double Lip Rotary Shaft Seal

Overview

The NBR Oil Seal 14x22x7 TC is a compact double-lip radial shaft seal with a 14 mm shaft diameter, 22 mm housing bore and 7 mm width.

The TC design combines a spring-loaded primary sealing lip with an auxiliary dust lip. The primary lip operates directly against the rotating shaft, providing the main sealing function and helping retain lubricant inside the assembly. The additional lip helps protect the primary sealing area against dust, dirt and other external contaminants.

Technical Specification

Product Type: Radial shaft seal / oil seal
Design: TC
Lip Design: Double lip
Dimensions: 14x22x7 mm
Material: NBR - Nitrile Butadiene Rubber
Shaft Diameter d: 14 mm
Housing Bore D: 22 mm
Width B: 7 mm
Primary Sealing Lip: Yes
Auxiliary Dust Lip: Yes
Garter Spring: Yes
Outside Diameter: Rubber covered

TC Double-Lip Design

The TC profile incorporates two functional sealing lips.

The primary sealing lip operates against the rotating shaft and is supported by a garter spring to maintain sealing contact during operation.

The auxiliary dust lip provides an additional barrier between the surrounding environment and the primary sealing area, helping reduce the ingress of dust and other contaminants.

Compared with a single-lip SC seal, the TC configuration provides additional protection for the primary sealing area.

Compact 14x22x7 mm Dimensions

The principal installation dimensions are:

d: 14 mm
D: 22 mm
B: 7 mm

With only an 8 mm difference between the shaft diameter and housing bore, the 14x22x7 mm oil seal provides a compact radial installation profile.

When selecting a replacement, all three dimensions should be checked together with the TC double-lip configuration and NBR material.

NBR Material

NBR (Nitrile Butadiene Rubber) is one of the most widely used elastomers for radial shaft seals.

It provides good resistance to many mineral oils, lubricating greases and compatible technical fluids. This makes NBR suitable for a broad range of general industrial and mechanical sealing applications.

Final material selection should consider the operating medium, temperature, shaft speed and actual working conditions.

Industrial Applications

The NBR 14x22x7 TC oil seal can be used in appropriately designed:

• Small gearboxes
• Pumps
• Electric motors
• Drive mechanisms
• Industrial machinery
• Technical equipment
• Rotating mechanisms
• Compact mechanical assemblies

Operational Advantages

• Compact 14x22x7 mm dimensions.
• TC double-lip construction.
• NBR nitrile rubber material.
• Spring-loaded primary sealing lip.
• Auxiliary dust protection lip.
• Designed for a 14 mm shaft.

AI OVERVIEW

The NBR Oil Seal 14x22x7 TC is a compact double-lip radial shaft seal with a 14 mm shaft diameter, 22 mm housing bore and 7 mm width. Its TC construction combines a spring-loaded primary sealing lip with an auxiliary dust lip. NBR is widely used in industrial sealing applications involving compatible mineral oils and lubricating greases.

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FAQ

What are the dimensions of the NBR 14x22x7 TC oil seal?

The seal has a 14 mm shaft diameter, 22 mm housing bore diameter and 7 mm width.

What does TC mean on an oil seal?

TC identifies a double-lip radial shaft seal with a spring-loaded primary sealing lip and an auxiliary dust lip.

Does the 14x22x7 TC oil seal have a dust lip?

Yes. The auxiliary lip helps protect the primary sealing area against dust, dirt and external contamination.

Does the primary sealing lip have a spring?

Yes. The primary sealing lip is supported by a garter spring.

What material is the 14x22x7 seal made from?

The seal is manufactured from NBR - Nitrile Butadiene Rubber.

What is the difference between TC and SC?

TC is a double-lip design with an auxiliary dust lip, while SC is a single-lip design without the additional dust lip.

Can any 14x22x7 oil seal be used as a replacement?

Not necessarily. The dimensions, material, lip configuration and operating requirements should all be verified before replacement.