Browning 767421 Tapped Base Pillow Block Bearing 1-11/16 in

Product Description

The BROWNING 767421 is a tapped base pillow block bearing designed for industrial power transmission and material handling applications. It features a 1-11/16 inch bore and a cast iron housing with a set screw lock type. The bearing insert is manufactured from 52100 steel, providing reliable hardness and wear resistance under load. Static load capacity is rated at 5,139 pounds, and dynamic load capacity reaches 7,901 pounds. The unit measures 5 inches in overall length and 4-1/4 inches in overall height, making it a robust choice for mounting in confined mechanical assemblies. Licensed HVAC, mechanical, and industrial equipment technicians typically specify this bearing as a direct OEM-style replacement or new installation component.

This tapped base pillow block bearing is used in industrial and commercial rotating equipment where a rigid, floor- or frame-mounted bearing support is required. The tapped base design allows for secure fastening to mounting surfaces without through-bolt access, which is common in machinery frames, conveyors, fans, blowers, and pump assemblies. The 3-3/4 inch distance between mounting hole centers and the 2-1/8 inch base-to-center height accommodate standard mounting footprints found in a wide range of OEM and aftermarket equipment configurations.

Key Features

• 1-11/16 inch bore with set screw locking for positive shaft retention
• 5,139 pound static load capacity and 7,901 pound dynamic load capacity
• Cast iron housing for rigidity and durability in industrial environments
• 52100 steel bearing insert for high hardness and fatigue resistance
• Tapped base mounting with 3-3/4 inch center-to-center hole spacing
• 2-1/8 inch base-to-center height for consistent shaft alignment

Compatibility

Designed as an OEM-style replacement or new-installation tapped base pillow block bearing for industrial rotating equipment requiring a 1-11/16 inch bore and cast iron housing construction.

Installation Notes

Installation is typically performed by a qualified millwright, mechanical technician, or industrial maintenance professional. De-energize and lock out all power sources before removing or installing any bearing assembly. Ensure the mounting surface is flat, clean, and free of burrs before torquing the tapped base fasteners. Set screws should be tightened in accordance with the shaft manufacturer's specifications using the appropriate hex key; do not over-tighten, as this can cause shaft damage or bearing misalignment.