How to Select the Right Cam Follower Bearing for Your Conveyor System

Selecting the correct cam follower bearing is one of the most important decisions when designing or maintaining a conveyor system. The right bearing can improve equipment reliability, reduce maintenance costs, and extend service life. The wrong choice can lead to premature failure, production downtime, and increased operating expenses.​

Whether you are building a new conveyor line or replacing an existing bearing, understanding the key selection criteria can help ensure optimal performance.​

In this guide, we explain how to choose the right cam follower bearing for your conveyor application, including load capacity, operating environment, material selection, sealing options, and lubrication requirements.​

What Is a Cam Follower Bearing?

A cam follower bearing, also known as a track roller bearing, is a specialized rolling-element bearing designed to run directly on tracks, guide rails, or cam surfaces.​

Unlike standard ball bearings, cam followers feature:​

• Thick-walled outer rings​

• High radial load capacity​

• Shock load resistance​

• Compact installation design​

• Long service life under continuous operation​

They are widely used in:​

• Conveyor systems​

• Packaging machinery​

• Material handling equipment​

• Food processing lines​

• Automated production systems​

• Warehouse logistics equipment​

Because conveyor systems operate continuously and often under heavy loads, selecting the correct cam follower bearing is essential for long-term reliability.​

Quick Answer: How Do You Choose a Cam Follower Bearing?

When selecting a cam follower bearing for a conveyor system, evaluate the following factors:​

1. Load capacity​

2. Conveyor speed​

3. Operating environment​

4. Bearing material​

5. Seal type​

6. Lubrication requirements​

7. Mounting configuration​

8. Expected service life​

The best bearing is not necessarily the most expensive one. It is the bearing that matches your operating conditions and maintenance requirements.​

Step 1: Determine the Load Requirements

Load is the most critical factor in bearing selection.​

Ask the following questions:​

• What is the total conveyor weight?​

• What product load will the conveyor carry?​

• Are there shock or impact loads?​

• Is the load constant or variable?​

Heavy-duty conveyors typically require larger cam followers with higher dynamic load ratings.​

If the conveyor frequently starts and stops or handles uneven loads, additional safety factors should be considered.​

As a general rule:​

• Light-duty conveyors may use standard stud-type cam followers.​

• Medium-duty systems often require reinforced outer rings.​

• Heavy-duty conveying systems usually benefit from yoke-type track rollers.​

Always verify both static and dynamic load ratings before finalizing a bearing selection.​

Step 2: Consider Conveyor Speed

Speed directly affects bearing temperature and lubrication performance.​

Higher operating speeds generate:​

• More friction​

• Increased heat​

• Faster grease degradation​

• Greater seal wear​

For high-speed conveyor applications, consider:​

• Precision-ground raceways​

• Optimized internal clearances​

• Premium lubrication systems​

• Low-friction sealing designs​

Excessive speed is one of the most common causes of premature bearing failure.​

A properly selected bearing should operate well within its recommended speed limits.​

Step 3: Evaluate the Operating Environment

Environmental conditions often determine whether a standard bearing or a specialized design is required.​

Dry Indoor Environments

Examples:​

• Packaging facilities​

• Warehouses​

• Assembly lines​

Recommended:​

• Carbon steel cam followers​

• Standard grease lubrication​

• Standard contact seals​

Wet or Washdown Environments

Examples:​

• Food processing plants​

• Beverage facilities​

• Pharmaceutical production​

Recommended:​

• Stainless steel cam followers​

• Food-grade grease​

• Enhanced sealing systems​

Dusty Environments

Examples:​

• Cement plants​

• Wood processing facilities​

• Agricultural equipment​

Recommended:​

• Double-lip seals​

• Heavy-duty grease​

• Relubrication capability​

Corrosive Environments

Examples:​

• Chemical processing​

• Marine applications​

• Outdoor conveyors​

Recommended:​

• AISI 316 stainless steel​

• Corrosion-resistant seals​

• Specialty lubricants​

Environmental conditions often have a greater impact on bearing life than load itself.​

Step 4: Choose the Right Material

The most common materials for cam follower bearings are carbon steel and stainless steel.​

Carbon Steel Cam Followers

Advantages:​

• High strength​

• Excellent wear resistance​

• Lower cost​

• Large stock availability​

Typical applications:​

• Manufacturing​

• Packaging​

• Logistics systems​

• Material handling​

Bearing steel is the preferred choice when corrosion resistance is not required.​

Stainless Steel Cam Followers

Advantages:​

• Corrosion resistance​

• Hygienic performance​

• Washdown compatibility​

• Longer life in wet conditions​

Typical applications:​

• Food processing​

• Beverage production​

• Pharmaceutical equipment​

For environments exposed to water, chemicals, or humidity, stainless steel often provides a lower total cost of ownership.​

Step 5: Select the Appropriate Seal Design

A bearing's seal is its first line of defense against contamination.​

Poor sealing allows:​

• Water ingress​

• Dust penetration​

• Grease leakage​

• Corrosion​

Common seal options include:​

Standard Contact Seals

Suitable for general industrial applications.​

Heavy-Duty Contact Seals

Recommended for dusty and wet environments.​

High-Temperature Seals

Designed for ovens, baking lines, and heat-processing equipment.​

Food-Grade Sealing Systems

Optimized for hygiene-sensitive applications.​

For conveyor systems operating in harsh conditions, seal performance is often more important than bearing size.​

Step 6: Verify Lubrication Requirements

Lubrication directly affects bearing life.​

Common lubricant options include:​

Standard Industrial Grease

Suitable for most general conveyor applications.​

High-Temperature Grease

Recommended for:​

• Baking lines​

• Frying equipment​

• Drying systems​

NSF H1 Food-Grade Grease

Recommended for:​

• Food processing​

• Beverage manufacturing​

• Pharmaceutical applications​

Proper lubrication can extend bearing life by several times compared with poorly maintained systems.​

Step 7: Select Stud Type or Yoke Type

Both designs are commonly used in conveyor systems.​

Stud Type Cam Followers

Benefits:​

• Easy installation​

• Compact design​

• Lower installation costs​

Applications:​

• Light-duty conveyors​

• Packaging equipment​

• Automation systems​

Yoke Type Cam Followers

Benefits:​

• Higher load capacity​

• Better shock resistance​

• Greater structural rigidity​

Applications:​

• Heavy conveyors​

• Mining equipment​

• Bulk material handling​

The mounting configuration should match both load requirements and machine design.​

Common Cam Follower Selection Mistakes

Many bearing failures are caused by improper selection rather than product quality.​

Common mistakes include:​

Choosing Based Only on Price

The lowest-cost bearing often results in the highest operating cost.​

Ignoring Environmental Conditions

Moisture, chemicals, and contamination can destroy an otherwise suitable bearing.​

Using Standard Bearings in High-Temperature Applications

Thermal expansion can lead to premature seizure.​

Underestimating Shock Loads

Unexpected impacts can significantly reduce bearing life.​

Selecting Inadequate Sealing

Contamination is one of the leading causes of bearing failure.​

Avoiding these mistakes can dramatically improve conveyor reliability.​

When Should You Consider a Custom Cam Follower Bearing?

Standard bearings work well for many applications, but some conveyor systems benefit from custom-engineered solutions.​

Examples include:​

• High-temperature conveyors​

• Food processing lines​

• Corrosive environments​

• Heavy-load applications​

• High-speed conveying systems​

Custom options may include:​

• Stainless steel construction​

• Crowned outer rings​

• Special internal clearances​

• Customized sealing systems​

• Food-grade lubrication​

• Non-standard dimensions​

A custom design often reduces maintenance costs and increases service life.​

Frequently Asked Questions

What size cam follower bearing should I use?

The correct size depends on load, speed, mounting configuration, and operating environment. Always verify the dynamic and static load ratings against actual operating conditions.​

What is the difference between a cam follower and a track roller?

Both are designed to run on tracks. Cam followers typically have an integrated stud, while track rollers are generally mounted on shafts or pins.​

Are stainless steel cam followers worth the additional cost?

For wet, corrosive, or food-processing environments, stainless steel bearings often provide longer service life and lower maintenance costs, making them more economical over time.​

How long should a cam follower bearing last?

Service life varies based on load, speed, lubrication, and environmental conditions. Properly selected bearings can operate reliably for several years.​

What is the most common cause of cam follower failure?

Contamination, insufficient lubrication, incorrect bearing selection, and inadequate sealing are among the most common causes.​

Conclusion

Choosing the right cam follower bearing for a conveyor system requires more than simply matching dimensions. Load capacity, speed, environmental conditions, sealing performance, lubrication, and material selection all play critical roles in determining bearing life and overall equipment reliability.​

For standard conveyor systems, carbon steel cam followers often provide the best balance of performance and cost. For food processing, pharmaceutical, washdown, or corrosive environments, stainless steel cam followers with advanced sealing and food-grade lubrication are typically the preferred solution.​

By evaluating application requirements carefully and selecting a bearing specifically designed for your operating conditions, manufacturers can significantly reduce downtime, lower maintenance costs, and improve conveyor system performance.