Lau 38257001 Pillow Block Ball Bearing Shaft Diameter Cast Iron - 1-7/16

The Lau 38257001 is a heavy-duty pillow block ball bearing designed for use in HVAC blower and fan shaft applications. Featuring a 1-7/16 inch shaft diameter, this bearing is built with durable cast-iron construction to withstand demanding operating environments.

This bearing arrives pre-lubricated from the factory and is also re-greasable, allowing for routine maintenance to extend service life. The outer diameter is measured over the rubber cushion, which helps dampen vibration and reduce noise in fan and blower assemblies.

Key Features:

• Shaft Diameter: 1-7/16 inch
• Outer Diameter: 1-7/8 inch (measured over rubber cushion)
• Bolt Hole Size: 3/4 inch x 9/16 inch
• Minimum Bolt Spread: 4-3/5 inch
• Maximum Bolt Spread: 5 inch
• Temperature Range: -30°F to 200°F
• Construction: Durable cast iron
• Lubrication: Pre-lubricated at the factory; re-greasable for ongoing maintenance

The Lau 38257001 pillow block ball bearing is a direct OEM replacement part, ideal for restoring proper fan shaft support in commercial and industrial HVAC equipment. Its wide temperature tolerance and robust cast-iron housing make it a reliable long-term solution for blower motor shaft applications.