Boston Gear 34522 Sleeve Bearing Oil Impregnated Bronze

Product Description

The BOSTON GEAR 34522 is a plain-bore sleeve bearing manufactured from oil impregnated bronze, designed to provide low-friction support for rotating shafts in light- to medium-duty mechanical assemblies. With a 3/16-inch (0.1890-inch) inside diameter, a 1/4-inch (0.2520-inch) outside diameter, and a 1/4-inch overall length, this compact bearing is suited for tight-clearance installations where space is limited. The self-lubricating bronze material eliminates the need for external grease fittings in many applications, reducing maintenance intervals. It carries a maximum pressure-velocity rating of 50,000 psi-ft/min, making it a reliable choice for moderate-load shaft support. Mechanical technicians, maintenance engineers, and HVAC equipment assemblers commonly install this bearing type.

This sleeve bearing fits residential and light commercial mechanical systems where small-diameter shaft support is required. Typical install scenarios include fan motor shaft support, small gear assemblies, conveyor rollers, and general rotating equipment found in HVAC units, appliances, and light industrial machinery. The oil impregnated construction is compatible with SAE 20 (ISO 68) and SAE 30 (ISO 100) lubricant standards, making it appropriate for applications where consistent oil-film lubrication at the bearing surface is a design requirement.

Key Features

• Oil impregnated bronze construction provides self-lubricating performance and reduces maintenance requirements
• Plain bore design with 3/16-inch inside diameter for direct shaft fit
• Maximum pressure-velocity rating of 50,000 psi-ft/min suits moderate-load applications
• Compact 1/4-inch overall length fits space-constrained assemblies
• Meets SAE 20 (ISO 68) and SAE 30 (ISO 100) lubricant standards

Compatibility

Designed as an OEM-style replacement or service bearing for mechanical assemblies requiring a plain-bore sleeve bearing with a 3/16-inch inside diameter and 1/4-inch outside diameter.

Installation Notes

Installation is typically performed by mechanical technicians or maintenance personnel with press-fit or hand-installation tooling appropriate for the housing bore. Power down and de-energize all equipment before servicing rotating components. Verify shaft and housing dimensions against the bearing inside and outside diameter tolerances before installation to ensure proper fit and avoid premature wear. Do not exceed the rated pressure-velocity limit for the application.