Steel Angular Contact Ball Bearing 1.77in Bore 3.94in OD for Industrial Machinery

Overview

This high-performance angular contact ball bearing is engineered specifically for demanding industrial machinery applications where precision and reliability are paramount. Constructed from premium-grade steel, the unit delivers exceptional rigidity and consistent performance under complex loading conditions. The double-row design allows it to support significant axial loads in both directions while simultaneously handling substantial radial forces, making it an ideal solution for heavy-duty assemblies that require stable operation at high rotational speeds. Its robust sealed construction effectively shields internal rolling elements from dust, moisture, and other environmental contaminants, significantly extending service intervals and reducing total cost of ownership through minimized maintenance requirements.

Key Features

Double-row configuration for superior stability under combined loads Bidirectional axial load capacity for versatile mounting orientations Integrated sealing system protects against debris and lubricant loss High-rigidity steel construction ensures minimal deformation under stress Precision-ground raceways for smooth operation at elevated speeds Optimized internal geometry reduces friction and heat generation Strict manufacturing tolerances guarantee reliable fit and function

Specifications

Bore Diameter: 1.77 in Outside Diameter: 3.94 in Width: 1.56 in

Material

High-Carbon Steel Seal Type: Double Sealed (Non-Contact) Load Direction: Axial (Both Directions) and Radial Row Configuration: Double Row Pack Quantity: 1 Unit

Applications

Industrial gearboxes and transmission systems High-speed electric motor spindles Heavy-duty pump assemblies requiring precise shaft alignment Machine tool heads and milling equipment Compressor units operating under variable thrust loads Automotive differentials and drive train components Agricultural machinery exposed to harsh operating environments Robotics joints requiring repeatable positional accuracy This bearing unit represents a critical component for engineers designing systems that demand long-term durability and precise motion control. The specific dimensions of a 1.77-inch bore, 3.94-inch outside diameter, and 1.56-inch width allow for seamless integration into existing frameworks designed for standard metric equivalents, facilitating easy retrofitting or new equipment fabrication. By utilizing high-quality steel alloys, the bearing maintains its structural integrity even when subjected to shock loads or continuous vibration common in factory settings. The sealed design eliminates the need for frequent relubrication in many applications, thereby reducing downtime and labor costs associated with routine maintenance schedules. Whether deployed in manufacturing lines, energy production facilities, or transportation infrastructure, this component provides the foundational support necessary for efficient and uninterrupted mechanical operations.