Steel Sealed High-Speed Angular Contact Bearing 0.98in Bore, Pkg Qty 2

Overview

This high-performance angular contact ball bearing set is engineered for precision industrial applications requiring exceptional rotational accuracy and rigidity. Designed specifically for high-speed spindle assemblies, each unit features a robust steel construction that ensures durability under demanding operational conditions. The bearings are manufactured to P4 precision tolerances, guaranteeing minimal runout and consistent performance in critical machinery. Supplied as a matched pair, these components are optimized for paired mounting configurations, providing balanced load distribution and enhanced thermal stability essential for maintaining integrity at elevated RPMs.

Key Features

P4 precision grade tolerance for superior rotational accuracy Double-sealed design effectively retains lubrication and excludes contaminants High-speed capability optimized for rigorous spindle applications Matched pair configuration ensures balanced axial and radial load handling Robust steel construction delivers extended service life in harsh environments Pre-lubricated seals reduce maintenance requirements and downtime

Specifications

Bore Diameter: 0.98 in Outside Diameter: 1.85 in Width: 0.94 in

Material

High-Grade Steel Seal Type: Double Sealed (2RZ) Precision Class: P4 Contact Angle: Optimized for angular contact loads Package Quantity: 2 units per set

Applications

CNC machine tool spindles and high-speed milling heads Precision grinding equipment and rotary tables Industrial electric motors operating at high RPM Aerospace actuation systems requiring tight tolerance control Robotics joints demanding repeatable positional accuracy Dental and medical handpieces requiring sterile, sealed components Technical Performance The angular contact design allows these bearings to support significant combined radial and axial loads simultaneously, making them ideal for complex mechanical arrangements. The 0.98-inch bore and 1.85-inch outside diameter provide a compact footprint suitable for space-constrained designs without sacrificing load capacity. The double-sealed arrangement creates an effective barrier against dust, coolant, and debris while preventing grease leakage, which is critical for maintaining long-term reliability in dirty or wet industrial settings. Manufacturing to P4 standards means these units exhibit tighter dimensional and geometrical tolerances than standard commercial grades, resulting in smoother operation, reduced vibration, and lower heat generation during continuous high-speed cycles. When installed as a matched set in a back-to-back or face-to-face arrangement, they offer increased system stiffness and resistance to moment loads, ensuring the stability required for fine finishing operations and precise material removal. This product represents a reliable solution for engineers seeking to upgrade machinery performance through improved bearing precision and longevity.