NBR Double Lip Oil Seal 42x65x12 TC Rotary Shaft Seal

Construction and design

The NBR double lip oil seal 42x65x12 AO TC is a rotary shaft seal designed to provide reliable sealing of lubricated systems while preventing ingress of contaminants.

The AO TC design features:

• primary sealing lip with garter spring for oil retention
• secondary dust lip for protection against dirt and debris

Made from NBR elastomer, this seal offers solid resistance to oils, greases, and standard industrial environments.

Technical specifications

Type: rotary shaft oil seal
Design: AO TC double lip
Material: NBR
Inner diameter: 42 mm
Outer diameter: 65 mm
Width: 12 mm
Spring: yes
Temperature range: -30°C to +100°C
Media: oils, greases, lubricants

Technical snippet:
NBR 42x65x12 AO TC is a double lip rotary shaft oil seal designed for oil retention and contamination protection in rotating equipment.

Industrial applications

The NBR oil seal 42x65x12 AO TC is widely used in industrial and automotive systems requiring effective shaft sealing.

Typical applications include:

• gearboxes and transmissions
• pumps and compressors
• electric motors
• agricultural machinery
• industrial drive systems

The double lip design improves protection in environments exposed to dust and contamination.

Operational advantages

This rotary shaft seal provides reliable performance and long service life in standard operating conditions.

Key benefits:

• efficient oil sealing with spring loaded lip
• additional dust protection
• resistance to oils and lubricants
• reduced leakage risk
• extended equipment durability

NBR oil seals are a standard choice in maintenance and OEM applications due to their versatility and cost effectiveness.

Main description

NBR double lip oil seal 42x65x12 AO TC is a rotary shaft seal designed for sealing lubricated rotating components and protecting systems from contamination.

One sentence definition:
NBR 42x65x12 AO TC is a double lip rotary shaft oil seal that prevents oil leakage and blocks external contaminants.

The seal combines a spring loaded primary lip for fluid retention with a secondary lip that protects against dust, dirt, and moisture. The NBR material ensures compatibility with mineral oils and greases in standard industrial conditions.

This size is commonly used in mechanical systems where reliable sealing and easy availability are essential. It supports search queries such as:

• oil seal 42x65x12
• NBR shaft seal 42x65x12
• double lip oil seal AO TC
• rotary shaft seal 42 mm

It is suitable for both original equipment and replacement in industrial maintenance.

FAQ

What does AO TC mean in oil seals?
It indicates a double lip design with a dust protection lip.

Is NBR suitable for oil applications?
Yes, it is designed for oils and greases.

Where is 42x65x12 oil seal used?
In gearboxes, pumps, motors, and machinery.

Does it include a spring?
Yes, the main lip is spring loaded.

Can it handle contamination?
Yes, the secondary lip protects against dust and dirt.