Nachi Sheave Bearings Catalog

Product catalog summary

Overview: The document provides technical specifications and guidelines for full complement cylindrical roller bearings, specifically sheave bearings. These bearings are designed for high dynamic and static load ratings, superior sealing capabilities, and easy axial location using snap rings.

Specifications:

Design: Full complement, double row, sealed on both sides.
Load Ratings: Maximum utilization of bearing section for maximum load ratings.
Sealing: Unique rubber contact seal prevents dust and water invasion.
Location: Snap rings on both sides for easy axial location.
Lubrication: Use lithium soap-based grease with EP additive. Relubrication through holes and grooves in the inner ring; select 'W33' suffix for outer ring lubrication holes.
Operating Temperature: Suitable for -30 to +120˚C.
Application: Ideal for use in rope sheaves.

Dimensions and Load Ratings: The document includes detailed tables listing dimensions, designations, basic load ratings, limiting speeds, and suitable snap rings for various bearing sizes. It also provides mounting dimensions and mass references.

Tolerances and Clearances: Detailed tolerances for bore diameter, bearing width, and outside diameter of the outer ring are provided, along with radial internal clearance specifications.

Additional Information: The document includes contact information for NACHI's sales offices and representative offices across Europe, as well as manufacturing plant details.