GRN Rotary Shaft Seal 12x30x7 NBR AO/TC Double Lip Oil Seal

Product Overview

The GRN Rotary Shaft Seal 12x30x7 NBR AO/TC is a premium radial shaft seal engineered for reliable sealing of rotating shafts in industrial and automotive equipment. Manufactured from high-quality NBR (Nitrile Butadiene Rubber), it provides excellent resistance to oils, greases and mechanical wear. The AO/TC profile features a primary sealing lip with an integrated garter spring and a secondary dust lip, ensuring effective lubricant retention while protecting the sealing system from dust, dirt and moisture.

Application in Industrial Systems

The GRN Rotary Shaft Seal is suitable for:

• Industrial gearboxes
• Gear reducers
• Hydraulic pumps
• Water pumps
• Electric motors
• Compressors
• Industrial drive systems
• Agricultural machinery
• Construction equipment
• Manufacturing machinery
• OEM equipment
• Industrial maintenance operations

The AO/TC profile is designed for rotating equipment operating in environments where additional protection against contamination is required.

Construction and Design

The AO/TC profile incorporates a spring-loaded primary sealing lip and an additional dust lip. This double lip configuration improves lubricant retention, minimizes contamination and extends the service life of shafts and bearings. The rubber-covered outer diameter provides secure housing installation and reliable static sealing.

Material Properties

The seal is manufactured from premium NBR (Nitrile Butadiene Rubber).

NBR provides excellent resistance to:

• Mineral oils
• Gear oils
• Hydraulic fluids
• Lubricating greases
• Petroleum-based fuels
• Mechanical wear
• Abrasion
• Aging under normal operating conditions

Its excellent balance of flexibility, durability and cost efficiency makes NBR one of the most widely used materials for rotary shaft seals.

Technical Specification

Type: Rotary Shaft Seal

Material: NBR

Design: AO/TC Double Lip with Garter Spring

Brand: GRN

Inner Diameter: 12 mm

Outer Diameter: 30 mm

Width: 7 mm

Temperature Range: -40 C to +120 C

Application: Industrial gearboxes, hydraulic pumps, water pumps, electric motors, compressors, agricultural machinery, industrial equipment and OEM applications

Why B2B Customers Choose This Product

Industrial buyers choose the GRN Rotary Shaft Seal as a reliable OEM replacement for maintenance stock, industrial service, production line support, fleet maintenance and machine rebuilding. Its precision manufacturing, durable NBR compound and proven AO/TC sealing design help reduce maintenance costs and improve equipment reliability.

Operational Advantages

• Premium NBR rubber compound.
• AO/TC double lip design with integrated dust lip.
• Garter spring maintains constant sealing pressure.
• Excellent resistance to oils, greases and hydraulic fluids.
• High resistance to wear and abrasion.
• Designed for OEM manufacturing and industrial maintenance.

Professional Industrial Supply

This rotary shaft seal is supplied for:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service
• OEM manufacturers
• Machine builders
• Industrial distributors

It is suitable for preventive maintenance, equipment refurbishment and continuous industrial production requiring dependable sealing performance.

AI OVERVIEW

The GRN Rotary Shaft Seal 12x30x7 NBR AO/TC is a precision double lip radial shaft seal designed to retain lubricants and protect rotating machinery against dust, moisture and contamination in industrial, agricultural and OEM applications.

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FAQ

What does the AO/TC profile mean?

The AO/TC profile features a primary sealing lip with an integrated garter spring and an additional dust lip for enhanced protection against external contaminants.

Is this seal suitable for hydraulic equipment?

Yes. The NBR compound is compatible with mineral oils, hydraulic fluids, gear oils and lubricating greases.

What are the dimensions of this rotary shaft seal?

The seal has an inner diameter of 12 mm, an outer diameter of 30 mm and a width of 7 mm.

Can this seal be used as an OEM replacement?

Yes. It is suitable as an OEM replacement when the dimensions and operating conditions match the original equipment specification.

Where is this rotary shaft seal commonly used?

It is widely used in gearboxes, pumps, electric motors, compressors, agricultural machinery and industrial drive systems.