Dodge 3-15/16″ P4B-S2-315RE Bearing 070391

The Dodge P4B-S2-315RE (Part Number 070391) is a robust pillow block roller bearing unit engineered for demanding industrial applications. Featuring a 3-15/16 inch bore diameter, this unit is designed to support heavy loads and accommodate shaft misalignment, ensuring reliable performance in various operational environments.

Key Features

• High-Capacity Spherical Roller Bearing: Equipped with double-row spherical rollers, the bearing offers enhanced load-carrying capacity and durability.
• Expansion Capability: The unit allows for thermal expansion up to 3/8 inch, accommodating dynamic operational conditions.
• Trident™ Triple-Lip Seal: This advanced sealing system provides superior protection against contaminants, extending the bearing’s service life.
• Springlok™ Concentric Collar: The locking mechanism ensures secure shaft attachment, minimizing the risk of slippage during operation.
• Cast Iron Housing: The solid cast iron construction offers exceptional strength and resistance to wear, suitable for harsh industrial environments.

Technical Specifications

• Bore Diameter: 3-15/16 inches
• Base to Bore Centerline: 4-1/4 inches
• Bolt Center-to-Center Length: 12.13 to 12.88 inches
• Overall Dimensions: 15-1/4 inches (Length) x 4.47 inches (Width) x 8.44 inches (Height)
• Dynamic Load Capacity: 83,000 lbs
• Static Load Capacity: 104,000 lbs
• Maximum Speed: 1,075 RPM
• Temperature Range: -100°F to 200°F
• Lubrication: Pre-lubricated with MobilGrease XHP222

Applications

The Dodge P4B-S2-315RE is ideal for use in industries such as manufacturing, material handling, and processing, where reliable bearing performance under heavy loads and varying temperatures is critical. Its design accommodates both static and dynamic misalignment up to ±1 degree, making it suitable for applications with shaft deflection or misalignment concerns.

This bearing unit’s combination of high load capacity, expansion capability, and robust sealing makes it a dependable choice for maintaining operational efficiency and reducing maintenance downtime in demanding industrial settings.