Component Hardware R50 Reversible Cam-Lift Hinges – 1-3/8" & 1-5/8" Offset

Component Hardware R50 Reversible Cam-Lift Hinges

Restore proper door movement and closing performance with Component Hardware R50 Series reversible cam-lift hinges for compatible commercial refrigeration equipment. These chrome-plated, lift-off edgemount hinges feature a cam-rise mechanism designed to help lift the door during opening and provide self-closing action during normal operation.

Available in 1-3/8-inch and 1-5/8-inch offsets, these hinges are intended for select commercial refrigerator and freezer door assemblies. Their reversible, non-handed design supports applicable left-hand and right-hand installations when the mounting configuration is correct.

Important: The two offset configurations have different manufacturer part numbers and must not be treated as interchangeable. Compare the existing hinge, door offset, cam engagement, and mounting pattern before ordering.

Manufacturer Part Numbers and Available Options

• R50-2850-SPO: Reversible cam-lift edgemount hinge, 1-3/8-inch offset.
• R50-2850-H: Reversible cam-lift edgemount hinge, 1-5/8-inch offset.

Product Specifications

• Manufacturer: Component Hardware
• Product Series: R50
• Part Type: Cam-Rise Edgemount Door Hinge
• Available Offsets: 1-3/8 inch and 1-5/8 inch
• Hinge Operation: Cam-Lift / Self-Closing
• Handing: Reversible, non-handed
• Door Design: Lift-Off Hinge
• Material: High-Pressure Die-Cast Zinc Alloy
• Finish: Chrome Plated
• Nominal Hinge Length: 5-3/4 inches; verify selected configuration
• Applications: Compatible commercial refrigeration doors
• Equipment Compatibility: Confirm manufacturer part number and mounting requirements

Product Function and Operation

Cam-lift hinges support the door at its pivot points while guiding door movement through a mechanical cam arrangement. As the door opens, the cam mechanism changes the door's vertical position. When properly installed and adjusted, the hinge assists with returning the door toward its closed position.

Proper hinge geometry is important for reliable closing and consistent magnetic gasket contact. Worn or incorrectly matched hinge components may cause difficult operation, door sagging, or inconsistent sealing around the cabinet opening.

Features and Benefits

• Reversible design for compatible left-hand or right-hand door configurations.
• Cam-rise mechanism provides self-closing door action.
• Lift-off design facilitates appropriate door removal for service.
• Chrome-plated construction for commercial refrigeration applications.
• Two offset configurations for different door mounting arrangements.
• Suitable for replacing compatible worn or damaged cam-lift hinge assemblies.

Common Symptoms of Worn Cam-Lift Hinges

• Refrigerator or freezer door fails to close consistently.
• Door moves unevenly or binds during opening.
• Excessive wear around the hinge pivot or cam surfaces.
• Door appears to sag or sit unevenly.
• Hinge mounting hardware becomes loose.
• Door rubs against the surrounding cabinet frame.
• Door gasket does not contact the frame evenly.
• Hinge produces excessive grinding, clicking, or irregular movement.

Technician Troubleshooting Guide

Inspect the complete door assembly before replacing the hinge. Poor closing can also result from worn cam components, damaged mounting points, misalignment, deteriorated door gaskets, or an incorrect replacement hinge offset.

• Check the original hinge manufacturer and part number.
• Measure the existing door offset and mounting geometry.
• Inspect the cam mechanism and pivot surfaces for excessive wear.
• Check mounting screws and the surrounding cabinet structure.
• Verify that the door is correctly aligned within its opening.
• Inspect the magnetic gasket for damage or uneven contact.
• Confirm that the replacement hinge is suitable for the original door configuration.

Before You Order

1. Confirm whether your existing hinge requires a 1-3/8-inch or 1-5/8-inch offset.
2. Identify the original manufacturer part number.
3. Record the complete equipment model and serial number.
4. Compare the replacement hinge's mounting-hole arrangement with the original.
5. Verify the cam profile and pivot configuration.
6. Confirm the door's required hinge arrangement and orientation.
7. Inspect the door and frame for damaged mounting points.
8. Select the matching product variant before checkout.

Installation and Maintenance Guidance

Support the refrigeration door securely before removing the original hinge. Follow the applicable equipment manufacturer's service procedures, particularly when servicing heavy doors or hinges with spring or cam mechanisms.

Inspect the cabinet and door mounting surfaces before installing the replacement hinge. Position the correct offset configuration and use appropriate mounting hardware according to manufacturer instructions.

After installation, test normal opening, lift-off engagement, closing action, door alignment, and gasket contact. Adjust the hinge only within the manufacturer's permitted adjustment range.

Frequently Asked Questions

1. What is a reversible cam-lift hinge?

A reversible cam-lift hinge is a mechanical door hinge with a cam-rise design that supports compatible right-hand and left-hand installations. It assists with controlled opening and self-closing movement.

2. What is the difference between R50-2850-SPO and R50-2850-H?

R50-2850-SPO is the 1-3/8-inch offset configuration. R50-2850-H is the 1-5/8-inch offset configuration. The correct offset must match the original hinge and equipment mounting geometry.

3. Are these cam-lift hinges self-closing?

Yes. The Component Hardware R50 cam-rise design is intended to provide mechanical self-closing action when correctly installed on a compatible door assembly.

4. Can these hinges be installed on left-hand and right-hand doors?

They have a reversible, non-handed design, but installation must still match the equipment's required hinge arrangement and manufacturer instructions.

5. Can a worn hinge cause a refrigerator door gasket to leak?

Yes. Worn or misaligned hinge hardware may allow the door to sit unevenly, reducing gasket contact. Inspect the hinge, mounting points, and gasket when diagnosing an air leak.

6. Are the 1-3/8-inch and 1-5/8-inch hinges interchangeable?

No. The offset dimensions represent different door-mounting arrangements. Always match the original hinge's manufacturer part number, offset, and mounting configuration.

7. Do these hinges fit every commercial refrigerator?

No. Compatibility depends on the door construction, mounting geometry, hinge configuration, and equipment manufacturer specifications.

8. How do I determine the correct replacement hinge?

Compare the original manufacturer number, hinge offset, mounting-hole positions, overall hinge geometry, cam configuration, and equipment model. Contact PartsDirectOnline with photos and equipment details if additional identification assistance is needed.

Commercial Refrigeration Door Hinges and Hardware

PartsDirectOnline supplies commercial refrigeration cam-lift hinges, edgemount hinges, door closers, gaskets, and related replacement hardware for refrigeration service technicians, maintenance departments, restaurants, and commercial equipment operators throughout the United States.

Ordering Assistance: Confirm the original hinge offset, manufacturer part number, and mounting configuration before ordering.