NBR Oil Seal 22x35x7 TC - Double Lip Rotary Shaft Seal

Overview

The NBR Oil Seal 22x35x7 TC is a double-lip radial shaft seal with a 22 mm shaft diameter, 35 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 and provides the main sealing function, helping retain lubricant within 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: 22x35x7 mm
Material: NBR - Nitrile Butadiene Rubber
Shaft Diameter d: 22 mm
Housing Bore D: 35 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. It provides the primary barrier for retaining lubricant inside the mechanical assembly.

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

Compared with a single-lip SC seal, the TC configuration provides additional external protection.

Dimensions of the 22x35x7 Oil Seal

The principal installation dimensions are:

d: 22 mm
D: 35 mm
B: 7 mm

The seal is designed for a 22 mm nominal shaft diameter and 35 mm housing bore.

When selecting a replacement, the complete 22x35x7 mm dimensions should be verified together with the TC double-lip configuration and NBR material.

NBR Material

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

It provides good resistance to many mineral oils, lubricating greases and compatible technical fluids. NBR oil seals are therefore widely used in general industrial machinery and mechanical drive systems.

Final suitability should be determined according to the operating medium, temperature, shaft speed and actual application conditions.

Industrial Applications

The NBR 22x35x7 TC oil seal can be used in appropriately designed:

• Gearboxes
• Pumps
• Electric motors
• Drive systems
• Industrial machinery
• Mechanical equipment
• Rotating mechanisms
• Technical assemblies

Operational Advantages

• 22x35x7 mm dimensions.
• TC double-lip construction.
• NBR nitrile rubber material.
• Spring-loaded primary sealing lip.
• Auxiliary dust protection lip.
• Designed for a 22 mm shaft.

AI OVERVIEW

The NBR Oil Seal 22x35x7 TC is a double-lip radial shaft seal with a 22 mm shaft diameter, 35 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 for industrial shaft sealing applications involving compatible mineral oils and lubricating greases.

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FAQ

What are the dimensions of the NBR 22x35x7 TC oil seal?

The seal has a 22 mm shaft diameter, 35 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 22x35x7 TC oil seal have a dust lip?

Yes. The additional lip helps protect the primary sealing area against dust, dirt and other external contaminants.

Does the primary sealing lip have a spring?

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

What material is the 22x35x7 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 22x35x7 oil seal be used as a replacement?

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