The AKRON Gamma Seal 60x80x5.5 RB-60 NBR is an axial face seal designed primarily to protect rotating shafts, bearings, and conventional radial shaft seals from external contamination.

Unlike a conventional radial oil seal installed inside a housing bore, a Gamma Seal is normally mounted directly onto the shaft. The metal carrier rotates with the shaft, while the flexible elastomer lip contacts a stationary counterface in the axial direction. This creates a protective barrier against dust, dirt, moisture, water splash, grease, and abrasive particles.

The RB-60 Profile consists of an elastomer sealing lip retained within a metal carrier. The metal component provides mechanical support and helps shield the sealing lip, while the NBR element maintains axial contact against the stationary sealing surface.

Gamma seals are frequently installed as auxiliary protection in front of conventional radial oil seals. This arrangement helps reduce direct exposure of the primary oil seal to mud, dust, moisture, and abrasive contamination, potentially improving the service life of the complete bearing and sealing system.

Depending on the application and installation arrangement, a Gamma Seal may also serve as a primary sealing element for grease, water splash, dirt, and other low-pressure contaminants. It is not normally intended to replace a pressure-rated hydraulic or mechanical seal.

Manufactured with an NBR (Nitrile Butadiene Rubber) sealing element and metal carrier, this seal is generally suitable for applications involving:

• Bearing grease
• Mineral oil exposure
• Gear oil splash
• Water splash
• Dust and dirt
• Mud and abrasive contamination
• General industrial environments

NBR provides good resistance to petroleum-based oils, grease, wear, and abrasion under standard industrial conditions. Compatibility should be confirmed before use with aggressive chemicals, high continuous temperatures, ozone-rich environments, or specialized synthetic lubricants.

The confirmed dimensions for the RB-60 size are:

Shaft diameter: 60 mm

Maximum outside diameter: 80 mm

Overall width: 5.5 mm

The RB size table identifies 60 × 80 × 5.5 mm as the standard RB-60 configuration.

⚙️ Applications

• Bearing protection systems
• Industrial gearboxes
• Electric motors
• Agricultural machinery
• Construction equipment
• Power transmission systems
• Conveyor drive assemblies
• Mobile hydraulic equipment
• Industrial fans and blowers
• OEM rotating machinery

🎯 Benefits

✔ Helps exclude dust, dirt, and moisture

✔ Protects bearings and conventional oil seals

✔ Axial sealing action against a stationary counterface

✔ Oil-resistant NBR sealing element

✔ Protective metal carrier construction

✔ Compact 5.5 mm axial width

✔ Suitable for demanding industrial environments

✔ Simple shaft-mounted installation concept

✔ Supports longer service life of the primary sealing system

🧠 Technical Insight

• RB-60 Gamma Seal Profile
• Axial Face-Sealing Principle
• Shaft-Mounted Rotary Construction
• Metal Carrier + NBR Sealing Lip
• Rotates Together with the Shaft
• Sealing Lip Contacts a Stationary Counterface
• Contamination Exclusion and Bearing Protection
• Counterface and Installation Position Must Be Verified

✅ Key Features

• AKRON Industrial Seal
• RB-60 Profile
• Gamma-Type Axial Rotary Seal
• Oil-Resistant NBR Lip
• Protective Metal Carrier
• Compact Metric Dimensions
• Auxiliary Primary-Seal Protection
• OEM Cross-Reference Ready

📊 Specifications

Brand: AKRON

Model: RB-60

Product Type: Gamma Seal

Size: 60 × 80 × 5.5 mm

Type: Axial Rotary Shaft Seal / Axial Face Seal

Material: NBR (Nitrile Butadiene Rubber)

Carrier Material: Metal

Profile: RB-60

Construction: Metal Carrier + Elastomer Axial Sealing Lip

Sealing Direction: Axial contact against a stationary counterface

Rotating Component: Metal carrier and elastomer element rotate with the shaft

Dust Protection: Yes

Spring Type: None

Shaft Diameter (ID): 60 mm

Maximum Outside Diameter: 80 mm

Overall Width: 5.5 mm

Pressure Capability: Non-pressure or low-pressure contamination-exclusion service

Primary Function: Protection against dust, dirt, moisture, grease, and water splash

Secondary Function: Protection of bearings and conventional radial oil seals

Lubrication: Compatible grease and incidental oil exposure

Temperature Range: Compound and application dependent; verify the actual NBR grade and operating conditions

Application Class: Industrial Bearing and Rotary Equipment Protection

Standard: Metric RB-Type Gamma Seal

🔁 Equivalent

Suitable replacement for compatible:

• AKRON RB-60 Gamma Seal
• RB 60x80x5.5 Gamma Seal
• RB-60 Axial Shaft Seal
• 60x80x5.5 Axial Face Seal
• NBR Gamma Ring
• Bearing Protection Gamma Seal
• Metal-Carrier Dust Seal
• Auxiliary Rotary Shaft Seal
• Industrial Contamination Exclusion Seal
• OEM RB-60 Gamma Seal

The same dimensions alone do not guarantee interchangeability. The replacement must match the original RB profile, shaft interference, metal-carrier geometry, lip orientation, counterface position, axial installation distance, material compound, and rotational direction requirements.

(Always verify dimensions, RB-60 profile geometry, shaft diameter, installation position, counterface condition, axial clearance, lubricant compatibility, rotational speed, temperature, and operating environment before ordering.)

📦 Availability

✅ In Stock

🚚 Fast Delivery Available

🌎 Worldwide Shipping Available

📦 MOQ: 1 Piece

🏭 Suitable for bearing protection, gearbox maintenance, motor repair, agricultural machinery servicing, construction equipment maintenance, conveyor systems, mobile hydraulic equipment, and compatible OEM replacement applications.

📲 Contact via LINE ID: dusitrea

📧 Email: sales@seal4go.com

💬 Technical support available before ordering

🔍 Assistance available for cross-reference and equivalent part identification