The CR Grease Seal 4.063x5.390x0.375 X12 NBR is specifically engineered to retain grease within bearing assemblies while preventing dirt, dust, water, and other contaminants from entering the bearing housing. It is commonly used in wheel hubs, axle assemblies, agricultural equipment, trailers, industrial machinery, and OEM applications requiring reliable bearing lubrication.

The X12 Profile incorporates a precision metal case with a high-performance sealing lip, providing excellent housing retention and dependable sealing performance throughout extended operating periods. The seal is designed to minimize grease leakage while protecting wheel bearings and rotating components from contamination.

Unlike conventional oil seals that primarily retain lubricating oil, grease seals are optimized to maintain bearing grease inside the hub while preventing lubricant loss during continuous rotation and vibration.

Manufactured from premium NBR (Nitrile Butadiene Rubber), this grease seal offers excellent resistance to:

• Bearing grease
• Mineral oils
• Lubricating grease
• Hydraulic oils
• Petroleum-based lubricants

NBR provides excellent abrasion resistance, flexibility, and durability for automotive, agricultural, transportation, and industrial applications. Typical operating temperatures range from -40°C to +100°C, depending on lubricant compatibility and operating conditions.

With dimensions of 4.063 × 5.390 × 0.375 inch, this grease seal is commonly installed in heavy-duty wheel hubs, trailer axles, agricultural machinery, industrial equipment, construction machinery, and OEM bearing assemblies utilizing inch-size components.

⚙️ Applications

• Wheel hub bearing assemblies
• Trailer axles
• Agricultural machinery
• Construction equipment
• Industrial machinery
• Heavy-duty wheel hubs
• Mining equipment
• Conveyor equipment
• Bearing housings
• OEM machinery

🎯 Benefits

✔ Excellent grease retention

✔ Superior bearing protection

✔ Prevents contamination ingress

✔ Reduces bearing wear

✔ Extends bearing service life

✔ Heavy-duty industrial construction

✔ Reliable sealing performance

✔ OEM quality replacement

✔ Low maintenance requirements

🧠 Technical Insight

• CR X12 Grease Seal Design
• Precision Metal Case
• High Performance Sealing Lip
• Premium NBR Material
• Excellent Grease Compatibility
• Designed for Bearing Protection
• Heavy Duty Industrial Construction
• Proven Chicago Rawhide Technology

✅ Key Features

• Chicago Rawhide (CR) Quality
• X12 Grease Seal Profile
• Reinforced Metal Case
• Premium NBR Material
• High Performance Sealing Lip
• Excellent Wear Resistance
• OEM Replacement Ready
• Long Service Life

📊 Specifications

Brand: CR (Chicago Rawhide)

Model: X12

Size: 4.063 × 5.390 × 0.375 inch

Type: Heavy Duty Grease Seal

Material: NBR (Nitrile Butadiene Rubber)

Profile: X12

Construction: Reinforced Metal Case

Seal Type: Bearing Grease Seal

Shaft Diameter (ID): 4.063 inch

Housing Diameter (OD): 5.390 inch

Width: 0.375 inch

Lubrication: Bearing Grease

Temperature Range: -40°C to +100°C

Application Class: Heavy Duty Bearing Service

Standard: Inch Size Grease Seal

🔁 Equivalent

Suitable replacement for:

• SKF Grease Seal
• National Grease Seal
• Timken Grease Seal
• NOK Grease Seal
• Freudenberg Grease Seal
• Garlock Grease Seal
• DICHTOMATIK Grease Seal
• CFW Bearing Seal
• KACO Grease Seal
• OEM Bearing Grease Seal

(Always verify dimensions, seal profile, and bearing housing specifications before ordering.)

📦 Availability

✅ In Stock

🚚 Fast Delivery Available

🌎 Worldwide Shipping Available

📦 MOQ: 1 Piece

🏭 Suitable for wheel hub overhaul, bearing replacement, trailer maintenance, agricultural equipment repair, industrial machinery service, and 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