Sealmaster® Frozen Pizza SM PN Gold™ Solution

A national food and beverage company was using standard mounted ball bearings on the conveyors in their plant. The bearings were exposed to extreme washdown conditions and began to experience contamination and lubrication issues that led to extended downtime. During a failure analysis of the bearings, it was determined that contamination penetration was the root cause of their bearing failures. There are a total of 248 bearings on this conveyor.


Regal proposed to replace their bearings with the Sealmaster® Reduced Maintenance PN Gold solution. This enhanced bearing solution addressed the contamination issue with the triple lip multi-directional high-performance seal to prevent contaminants from entering the bearing. Regal also recommended a protective backside shield that will prevent water from entering the back raceways of the bearings during washdown. The “sealed for life” bearing eliminated the need for frequent lubrication intervals by the maintenance staff.



Solution Type

Maintenance Cost Savings

Product/Part Description


Key Customer Need(s) and Benefits from Sealmaster® Products

Since implementation, the customer discovered that where 14 bearings were previously needed over the same time interval, 1 Sealmaster® Reduced Maintenance PN Gold bearing proved to cover the same performance life, saving the plant over $325,000 per year!

Sealmaster® Reduced Maintenance PN Gold Bearings


• Triple lip contact seal design provides multi-directional sealing to minimize contamination ingress and retain lubricant.

• Highly durable, FKM seal lip material provides good chemical resistance and can withstand high temperatures.

• 304 stainless steel shell protects bearing and components from incoming contaminants.

• 304 stainless steel rotating flinger provides a corrosion resistant wear surface for all three lips and shields seal from contamination.



• SKWEZLOC locking collar centers the shaft in the bearing bore and secures the shaft with near perfect concentricity.

• Allows for quiet, smooth operation at higher speeds.

• Quickly, easily installed, removed and/or repositioned.

• Helps to protect shaft from scoring and burring.

• Helps reduce out-of- balance vibrational forces and fretting corrosion.


• Sealmaster® PN Gold Bearings have a wide outer race that features a tapered land profile.

• The tapered lands surface is tapered in radial direction toward the bearing race to ensure that lubricant will be easily redirected back to the raceway.


• Nitrile rubber gaskets reduce bearing moisture contact.

• 304 stainless plates improve assembly strength.

• Drain slots reduce moisture buildup.


• Polypropylene material is resistant to corrosion.

• Hand-snaps into housing for easy installation.

• Shielded drain hole reduces moisture buildup.



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