Garlock KLOZURE® ISO-GARD® Bearing Isolator 29502-4107
The Garlock KLOZURE® ISO-GARD® Bearing Isolator 29502-4107 is engineered to provide superior protection for bearings in pumps, motors, and other industrial equipment operating under demanding conditions. Constructed from glass-filled PTFE, this isolator offers exceptional chemical resistance and durability.
Key Features and Benefits
- Non-Contact Labyrinth Design: Reduces shaft drag and energy consumption compared to traditional contact lip seals.
- Easy Installation: Designed for simple, by-hand installation without the need for specialized tools.
- Enhanced Bearing Protection: Engineered labyrinth design effectively excludes contaminants while retaining lubrication, meeting IP55 standards.
- Extended Service Life: Non-wearing components ensure consistent sealing performance over time, eliminating shaft grooving and reducing maintenance needs.
- Compliance: Meets FDA standards, IEEE 841, NEMA MG 1, and carries an IP55 rating, ensuring suitability for various industrial applications.
Specifications
- Shaft Size: 1.750 inches (44.45 mm)
- Bore Size: 2.875 inches (73.03 mm)
- Width: 0.748 inches (19.00 mm)
- Flange Length: 0.375 inches (9.53 mm)
- Material: Glass-filled PTFE
- Temperature Range: -22°F to 400°F (-30°C to 204°C)
- Axial Motion Tolerance: ±0.015 inches (±0.38 mm)
- Misalignment Tolerance: ±0.020 inches (±0.51 mm)
- Maximum Shaft Surface Speed: 4,500 feet per minute (22.9 meters per second)
The Garlock KLOZURE® ISO-GARD® Bearing Isolator 29502-4107 is an ideal solution for industries requiring reliable bearing protection in environments with harsh chemicals or where FDA compliance is necessary. Its advanced design and materials contribute to prolonged equipment life and reduced maintenance costs.

















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