The 80x110x12 B2 NBR A/SC Rotary Shaft Oil Seal is a precision radial shaft seal manufactured from NBR (Nitrile Butadiene Rubber) with a metal outer case and a single spring-loaded sealing lip. Designed to retain lubricants while preventing contamination, it provides reliable sealing performance for rotating shafts in gearboxes, pumps, electric motors, agricultural machinery and industrial equipment. Its durable construction, standardized dimensions and excellent oil resistance make it an ideal sealing solution for OEM manufacturers, industrial maintenance departments and machine repair professionals seeking dependable long-term performance.
The 80x110x12 B2 NBR A/SC Rotary Shaft Oil Seal is a precision-engineered radial shaft seal designed to prevent lubricant leakage while protecting rotating equipment against external contaminants. Manufactured from NBR (Nitrile Butadiene Rubber) and featuring a B2 metal outer case, this seal provides excellent dimensional stability, secure housing fit and reliable sealing performance in demanding industrial environments.
With dimensions of 80 mm inner diameter, 110 mm outer diameter and 12 mm width, it is suitable for a wide range of rotating shafts used in gearboxes, electric motors, pumps, reducers, agricultural machinery and industrial drive systems. The A/SC profile incorporates a single spring-loaded sealing lip, providing dependable oil retention while maintaining low friction and long service life.
The B2 A/SC design combines a rigid metal outer shell with a precision-moulded elastomer sealing element.
Key construction features include:
The metal outer diameter provides a secure interference fit within the housing, while the spring-loaded sealing lip maintains constant radial pressure on the rotating shaft throughout the seal's service life.
Manufacturer: GRN
Product Type: Rotary Shaft Oil Seal
Design: B2 A/SC
Material: NBR (Nitrile Butadiene Rubber)
Inner Diameter: 80 mm
Outer Diameter: 110 mm
Width: 12 mm
Outer Case: Metal
Sealing Lip: Single
Garter Spring: Yes
Colour: Black
A rotary shaft oil seal creates a dynamic seal between a rotating shaft and a stationary housing.
The spring-loaded sealing lip maintains continuous contact with the shaft surface, preventing lubricants from escaping while protecting bearings and internal components from dust, moisture and contaminants.
The metal outer case ensures stable installation within the housing and helps maintain sealing geometry even under demanding operating conditions.
NBR (Nitrile Butadiene Rubber) is one of the most widely used sealing materials for industrial rotary shaft seals.
Its advantages include:
These properties make NBR the preferred material for general-purpose oil sealing applications.
When selecting a rotary shaft seal, engineers should consider:
Selecting the correct seal dimensions and material is essential for maximizing sealing performance and service life.
For reliable operation:
Correct installation significantly increases seal durability.
Typical causes include:
Regular inspection and proper installation help maximize seal life.
The 80x110x12 B2 NBR A/SC Oil Seal is widely used in:
Rotary shaft oil seals play a critical role in protecting rotating equipment and extending machine service life.
For OEM manufacturers and maintenance departments, they help:
Their standardized dimensions and durable construction make them suitable for a wide variety of industrial applications.
B2 indicates a rotary shaft oil seal with a metal outer case, providing excellent housing retention and dimensional stability.
A/SC identifies a single spring-loaded sealing lip designed for efficient lubricant retention and reliable shaft sealing.
Yes. NBR provides excellent resistance to mineral oils, lubricating greases and many petroleum-based fluids.
Yes. It is widely used in gearboxes, pumps, electric motors, reducers and many industrial drive systems.
Yes. The sealing lip incorporates a garter spring that maintains constant sealing pressure throughout its service life.
It is commonly installed in industrial machinery, agricultural equipment, electric motors, pumps, conveyor systems, OEM equipment and MRO maintenance applications.
Data sheet
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The 80x110x12 B2 NBR A/SC Rotary Shaft Oil Seal is a precision radial shaft seal manufactured from NBR (Nitrile Butadiene Rubber) with a metal outer case and a single spring-loaded sealing lip. Designed to retain lubricants while preventing contamination, it provides reliable sealing performance for rotating shafts in gearboxes, pumps, electric motors, agricultural machinery and industrial equipment. Its durable construction, standardized dimensions and excellent oil resistance make it an ideal sealing solution for OEM manufacturers, industrial maintenance departments and machine repair professionals seeking dependable long-term performance.
