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Materials and Specifications
The document discusses various elastomers used for shaft seals, including Nitrile, Polyacrylate, Silicone, and Fluoroelastomer, each with specific temperature ranges and resistance properties. The advantages and disadvantages of these materials in different applications are highlighted.

Fluid Compatibility
Seal material compatibility with different fluids is crucial. The document outlines the varying degrees of compatibility of Nitrile, Polyacrylate, Silicone, and Fluoroelastomer with oils, greases, and other substances.

Metal Case and Spring Specifications
Metal cases and springs are made from carbon steel or stainless steel, with discussions on cost considerations and application suitability.

Storage and Handling of Shaft Seals
Proper storage conditions are essential to maintain seal integrity. Recommendations include storing in a cool, dry place, avoiding exposure to ozone, and using a first-in, first-out approach.

Shaft Recommendations and Tolerances
Optimal performance requires specific shaft materials, hardness, roughness, and tolerances. Medium carbon or stainless steel is recommended, with specific hardness and roughness guidelines provided.

Housing Recommendations and Tolerances
Housing materials and configurations affect seal performance. Steel and cast iron are preferred, with specific roughness and tolerance guidelines outlined.

Seal Tolerances
Seal design must consider application conditions. Tolerances for seal width and outer diameter are specified for both inch and metric measurements.

Lubrication
Proper lubrication is critical for seal function, ensuring minimal wear and maximum efficiency. Initial lubrication is necessary to prevent dry running and ensure effective operation.

Recommended Installation Methods
Proper installation of oil seals is crucial. Use an installation tool to prevent seal cocking, remove burrs or sharp edges, and ensure proper lubrication. The shaft and bore dimensions must match the seal, and the new seal should face the same direction as the original.

Improper Installation Methods
Improper installation can lead to deformed seals, misalignment, and peeling of the outer diameter. Following recommended methods is essential to avoid these issues.

Standard Seal Designs
Seals are categorized by case and lip symbols, with specific applications. Metal outer diameters with ground surfaces are common, while rubber-covered outer diameters are preferred for soft alloy or plastic housings. Lip designs vary based on pressure requirements and environmental conditions.

Other Case and Lip Designations
Additional seal designs include double lip, double spring-loaded, and external seal types. Materials used include nitrile, carbon steel, stainless steel, silicone, PTFE, and fluoroelastomer.

Engineering Information
A metric conversion chart is provided for converting fractions and decimals to millimeters, facilitating accurate measurements and compatibility checks.

PEER Shaft Seals
PEER offers a comprehensive listing of oil seals, capable of producing various sizes and styles. Seals are identified by part numbers indicating critical dimensions and configurations. Special types of seals can be manufactured upon request.

Overview
This document provides detailed specifications and interchange information for shaft seals, focusing on both inch and metric measurements. It includes a comprehensive list of part numbers, dimensions, and material specifications for various types of seals used in heavy-duty truck and trailer applications.

Specifications
The document lists part numbers with corresponding dimensions such as shaft bore, seal outer diameter, and width. It distinguishes between exact equivalents and closest equivalents, with bold numbers indicating exact matches. The interchange tables provide cross-references between PEER, Transcom, CR/SKF, and National part numbers.

Materials and Specifications
The document outlines the materials used in oil bath seals, including Nitrile, Polyacrylate, and Fluoroelastomer, each with specific temperature ranges and advantages/disadvantages. It also details the materials used for the case and spring components, such as carbon steel and stainless steel, with their respective applications and costs.

Oil Bath Seal Designs
Standard designs for oil bath seals are categorized into the POBS 5000 and 7000 series, with variations in metal and rubber outer diameters.

Installation Procedures
The document provides a step-by-step guide for installing oil bath seals, emphasizing the importance of inspecting and preparing the spindle shoulder and hub bore, selecting the correct seal adapter plate, and ensuring proper lubrication and alignment during installation.

Key Data from Tables
The tables provide a detailed interchange of shaft seals, listing dimensions and materials for each part number. The tables are organized by size and include both inch and metric measurements, facilitating easy cross-referencing between different manufacturers.

Conclusion
This document serves as a comprehensive guide for selecting and installing shaft seals in heavy-duty applications, providing essential information on specifications, materials, and installation procedures.