The CR 28270 Oil Seal (size 2.8125 x 4.250 x 0.250 inch) is a high-quality heavy-duty rotary shaft seal manufactured by Chicago Rawhide (CR), a trusted SKF brand.

The M/R design provides robust sealing performance for demanding industrial applications and inch-size imported equipment.

Made from NBR (Nitrile Rubber), this seal offers excellent resistance to oil, grease, and lubricants.

⚙️ Applications

• Gearbox
• Hydraulic pump
• Industrial rotating equipment
• Heavy machinery
• OEM imported equipment

🎯 Benefits

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

🧠 Technical Insight

• M/R design for durable sealing
• NBR temperature range ~100–120°C
• Suitable for continuous industrial service

📊 Specifications

• Brand: CR (Chicago Rawhide / SKF)
• Part Number: 28270
• Model: M/R
• Size: 2.8125 x 4.250 x 0.250 inch
• Type: Heavy Duty Rotary Shaft Oil Seal
• Material: NBR (Nitrile Rubber)

🔁 Equivalent

SKF / National / GARLOCK / KACO / CFW

📦 Availability

✔ In stock
✔ Fast delivery nationwide
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