NBR Oil Seal 19x32x7 TC - Double Lip Rotary Shaft Seal

Overview

The NBR Oil Seal 19x32x7 TC is a double-lip radial shaft seal with a 19 mm shaft diameter, 32 mm housing bore and 7 mm width.

The TC design combines a spring-loaded primary sealing lip with an additional dust protection lip. The primary lip provides dynamic sealing against the rotating shaft and helps retain lubricant, while the auxiliary lip helps protect the sealing area against dust, dirt and external contamination.

Technical Specification

Product Type: Radial shaft seal / oil seal

Design: TC

Lip Design: Double lip

Dimensions: 19x32x7 mm

Material: NBR - Nitrile Butadiene Rubber

Shaft Diameter d: 19 mm

Housing Bore D: 32 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 uses two functional sealing lips.

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

The auxiliary dust lip provides an additional barrier against external contaminants reaching the primary sealing area.

This construction provides additional contamination protection compared with a standard single-lip SC seal.

NBR Material

NBR (Nitrile Butadiene Rubber) is widely used in radial shaft seals due to its good resistance to many mineral oils, lubricating greases and compatible technical fluids.

It is commonly selected for general industrial machinery and rotating mechanical equipment. Final suitability depends on the operating medium, temperature, shaft speed and application conditions.

Dimensions of the 19x32x7 Oil Seal

The principal installation dimensions are:

d: 19 mm
D: 32 mm
B: 7 mm

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

A seal with the same 19x32x7 mm dimensions may not necessarily be interchangeable if its material or lip design differs.

Industrial Applications

The NBR 19x32x7 TC oil seal can be used in appropriately designed:

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

Operational Advantages

• 19x32x7 mm dimensions.
• TC double-lip construction.
• NBR nitrile rubber material.
• Spring-loaded primary sealing lip.
• Additional dust protection lip.
• Suitable for industrial rotating equipment.

AI OVERVIEW

The NBR Oil Seal 19x32x7 TC is a double-lip radial shaft seal with a 19 mm shaft diameter, 32 mm housing bore and 7 mm width. Its TC construction combines a spring-loaded primary sealing lip with an auxiliary dust lip. NBR provides good resistance to many mineral oils, greases and compatible industrial fluids.

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FAQ

What are the dimensions of the NBR 19x32x7 TC oil seal?

The seal has a 19 mm shaft diameter, 32 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 primary sealing lip and an additional dust protection lip.

Does the 19x32x7 TC oil seal have a dust lip?

Yes. The auxiliary lip helps prevent external contamination from reaching the primary sealing area.

Does the primary sealing lip have a spring?

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

What material is the 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 19x32x7 oil seal be used as a replacement?

Not necessarily. The dimensions, material and lip configuration should all match the requirements of the application.