The CR 3.4375x4.763x0.891 SYN NBR Oil Seal is a high-quality rotary shaft seal manufactured by Chicago Rawhide (CR), a trusted SKF brand.

The SYN designation indicates a synthetic NBR compound that offers excellent resistance to oil, grease, and lubricants while delivering reliable sealing performance.

This inch-size oil seal is suitable for gearboxes, pumps, motors, and heavy-duty industrial equipment.

⚙️ Applications

• Gearbox
• Hydraulic pump
• Electric motor
• Industrial rotating equipment
• Heavy machinery

🎯 Benefits

• Reduce oil leakage
• Extend bearing life
• Reduce downtime
• Lower maintenance costs
• OEM-quality performance

🧠 Technical Insight

• SYN = Synthetic NBR compound
• Temperature range ~100–120°C
• Excellent oil and grease resistance

📊 Specifications

• Brand: CR (Chicago Rawhide / SKF)
• Model: SYN
• Size: 3.4375 x 4.763 x 0.891 inch
• Type: Rotary Shaft Oil Seal
• Material: Synthetic NBR

🔁 Equivalent

SKF / National / NOK / KACO / CFW

📦 Availability

✔ In stock
✔ Fast delivery nationwide
📲 Contact via LINE