Bearing Wear Analysis and Preventive Measures (VI)

• Introduction

• Types of Bearing Wear

• Causes of Bearing Wear

• Symptoms and Diagnosis of Bearing Wear

• Preventive Maintenance Measures

• Role of Lubrication in Preventing Wear

• DSBR Factory: Superior Bearing Manufacturing & Quality Control

• Conclusion

Chapter 7: How to Select the Right Bearing to Prevent Wear

1. Understand the Load Conditions

• Radial Load vs Axial Load:
  Know whether your application primarily involves radial loads or axial loads。For example:

• Tapered Roller Bearings handle both axial and radial loads.

• Deep Groove Ball Bearings are ideal for high-speed, moderate-load applications.

• Shock Loads:
  For applications with frequent impacts (e.g., mining crushers), spherical roller bearings are preferred due to their high shock resistance.

2. Match Operating Speed and Precision Level

• For high-speed operations, choose bearings with:

• Lower friction torque

• High dimensional precision (P5 or P4 grade)

• Optimized cage design (e.g., polyamide cages)

• For low-speed, high-load environments, focus on:

• Robust construction

• Grease retention

• Wear-resistant materials like case-hardened steel

3. Consider Lubrication and Sealing Options

• Sealed Bearings: Prevent dust and moisture, ideal for automotive and outdoor environments.

• Open Bearings: Easier to inspect and re-lubricate, common in clean factory settings.

DSBR offers bearings with customized lubrication solutions, including pre-filled high-performance grease and anti-rust coatings.

4. Factor in Installation and Maintenance Conditions

• Choose split bearings or unitized assemblies in locations where dismounting is difficult.

• Opt for interchangeable components when machine downtime must be minimized.

5. Analyze Environmental Factors

• For high-humidity or corrosive environments (e.g., marine applications), use:

• Stainless steel or ceramic hybrid bearings

• Bearings with special surface coatings like DLC (Diamond-Like Carbon)

• For dusty or dirty environments (e.g., cement, quarry):

• Choose bearings with triple-lip seals and labyrinth covers.

6. Application-Specific Customization

At DSBR, we specialize in:

• Tailoring bearing geometry based on load zones

• Improving heat dissipation in high-speed shafts

• Adjusting internal clearances for thermal expansion

We help clients create a bearing selection matrix based on:

• Load

• Speed

• Lubrication

• Ambient conditions

• Life expectancy

7. Case Application: Tapered Roller Bearing 32222

For example, a customer in Brazil’s sugar milling sector required a long-life bearing under heavy axial and radial load.
DSBR recommended a 32222 tapered roller bearing with:

• Case-hardened steel

• Custom lubrication grooves

• Anti-contamination seals

As a result, bearing lifespan improved by 48%, reducing annual replacement frequency.

Summary

Selecting the right bearing involves more than just dimension matching. It’s a strategic decision involving performance, maintenance, and environment.
With DSBR’s engineering support, clients receive not just bearings—but optimized, wear-resistant solutions designed for long-term operation.