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GenStar® Precision Bearings
FRANTZ® GenStar® Series of Precision bearings for conveyor rollers are simply better than our competition. Designed, engineered, and built in the USA, GenStar® Precision conveyor bearing assemblies are rigorously tested to assure that load ratings in this bearing category outperform our competition. FRANTZ quality promise means that we publish our bearing assembly load ratings and we stand behind our product. Click for information about Our Quality. Compare….GenStar® Precision conveyor bearings are simply better.

This is the GenStar® value to you:
  • ABEC -1 Core Bearing
    Designed for high speed (exceeding 400rpm), long life, low noise levels, and double sealed from contamination. These conveyor bearings contain special front and back rubber seals that are bonded to metal washers providing effective protection against contamination such as moisture and dust particles. These seals are light contact which minimizes the seal drag allowing for lower starting torque and rolling friction. The lubricant forms a barrier between seal lip and the inner race further preventing smaller particles such as dust and moisture from entering into the rolling elements. Load capacities on the Core Bearing ranging from 1,260 lbs. to 2,260 lbs.

  • IronGrip Carbon Steel Housing
    Swaged tight will outperform plastic housings and provides Frantz® GenStar® conveyor bearing assemblies with superior load capacities from 300 lbs. to 1,000 lbs. Further, plastic housed bearings add assembly costs by requiring that tube ends be prepped and de-burred prior to installation. Conveyor bearings with IronGrip housings eliminate this additional costly operation. Competitors with metal housed precision offerings will not publish their assembly load capacities. The quality of your conveyor bearing mount is directly proportional to the life of your bearing. Click for FRANTZ Conveyor Bearing Mounting Specifications. FRANTZ has further designed tooling to provide you with that quality mount for your rollers. Click for Swage Fit Conveyor Bearing Mounts. Simply put, with FRANTZ you get the whole package and you have peace of mind that our conveyor bearing assembly will carry the load and will not walk out of your roller.

    • Sprocketed Roller Bearing Mounts for Chain Driven Live Roller (CDLR) applications have traditionally been performed prior to welding the sprocket on the roller. While welding after assembly works well for all metal Commercial Unground Non-Precision conveyor bearings, the intense heat distorts polypropylene isolator sleeves that provide precision bearing assemblies with their cushioning quiet characteristics. Therefore assembling sprocketed rollers with precision bearings continues to be a challenge for conveyor manufacturers. FRANTZ engineers have developed a solution to this problem. Tooling is now available to insert and swage GenStar® Precision conveyor bearings into rollers after the sprocket has been welded to the roller. Contact our Customer Service representatives for details. Click for more information on Sprocketed CDLR Bearing and Roller Solutions.

  • Unibody Polymer Insert
    Injection molded directly into the ABEC-1 Core bearing insert cannot be pushed out of the bearing assembly by the axle lugs and springs unlike like the pressed “spider” latching inserts used by our competition. Designed by FRANTZ engineers and custom molded to our specification, the insert is made from specially formulated polypropylene that discharges any accumulated static electricity, improves concentricity, and ensures quiet operation at 50 to 56 Decibels.

  • Polymer Isolator Sleeve
    Is uniquely designed for GenStar 2.5” and 3.5” bearings. Unlike competitor bearings that utilize a core bearing fit directly into the adapter housing, FRANTZ directly molds an “isolator sleeve” into the assembly that lies between the core bearing and the IronGrip adapter housing. Swaging on competitor bearings puts undo pressure on the core bearing impeding its performance.

    In snub roller applications for belt conveyors the design of the bearing allows for an aggressive crimp of the metal adapter, compressing the polymer "isolator sleeve" while preventing pressure against the rolling elements.  This crimp secures the bearing in the tube in a superior fashion compared to the competition.  The Benefit: Truer high speed snub roller performance and fewer roller failures reducing conveyor down time.  Additionally, less costly tubes may be used as more exact tube tolerances are not required, while often eliminating the need to counterbore prior to the swaging process helping to reduce total cost due to the enhanced flexibility of the FRANTZ bearing in the swaging process.

    FRANTZ  “isolator sleeve” provides “peace of mind” in your swaging process and provides flexibility when dealing with tubing thickness variation. Unique to FRANTZ!

  • Custom Crimp Tooling
    Designed by FRANTZ engineers for a superior fit and mount is available for FRANTZ® GenStar® Precision bearing models. Costly reaming operations are eliminated as is the need for specialty sized tubing. Constructed at FRANTZ using high quality tool steel. FRANTZ engineers have custom designed mechanical swage tooling and shop air assisted swage tooling to provide you with a superior fit up. Receive expert consultation from FRANTZ engineers.

GenStar® Precision Bearings by FRANTZ. Simply better.

GenStar® Precision Bearing Product Listing
1000 Series - Crimping Tool300 Series - Crimping Tool620 Series - Crimping ToolABEC-1 Core Precision BearingsAbout FRANTZAbout FRANTZ ManufacturingABOUT USAbsentee PolicyAdvertising InformationBall Bearing Sheaves, Idler, Pulley and Guide WheelsBall TransfersBall TransfersBALLSBearing Packaging OptionsBrochures & LiteratureBurnishing MediaBurnishing MediaCareersCAREERSChamfered BearingsCompetitor DefectsCompetitor Match-UpContact Felt Seal Conveyor Bearing ProtectionContact FRANTZ ManufacturingCONTACT USContact Your Sales RepresentativeConversion FactorsConveyor Bearing and Conveyor Wheel QualityConveyor Bearing CatalogConveyor Bearing Mounting SpecificationsConveyor Bearing NomenclatureConveyor BearingsConveyor BearingsConveyor BearingsConveyor Roller Mounting TypesConveyor Wheel CatalogConveyor WheelsConveyor WheelsConveyor WheelsConveyor Wheels / Skate WheelsCore Non-Precision BearingsCustom Conveyor Roller DetailsCustom Conveyor RollersCustom Machined and Cold Formed Steel SpacersCustom Machined SpacersCustomer Service EmailEasy Glider™ Ball Transfers and Ball CastersEconomy Grade Hardened Steel BallsEconomy Grade Hardened Steel BallsEmployee InformationFitment Tooling InformationFlanged and Straight Faced IronGrip AdaptersFlanged Unground Non-Precision BearingsFlexible Spending Plan SummaryFractions to DecimalsFRANTZ Garage Door InformationFRANTZ Health Plan (2009)FRANTZ Health Plan AmendmentFRANTZ Insert ToolsFRANTZ SpecialtiesGEN II® Semi-Precision Conveyor BearingsGenII® Core Semi-Precision BearingsGenStar® 4003 Series Precision Conveyor BearingsGenStar® 5000 Series Precision Conveyor BearingsGenStar® Eliminator BearingsGenStar® Precision BearingsGenStar® Precision Conveyor BearingsHardened Carbon Steel BallsHardened Carbon Steel BallsHoliday ScheduleHOMEIdler GuideIL Equal Opportunity StatementInformación TécnicaInventory OverstockMaps and Directions to FRANTZ ManufacturingMeasurementMetric Conveyor WheelsMetric Flanged Unground Non-Precision BearingsMetric GEN II® Semi-Precision Conveyor BearingsMillimeters to InchesNewsOur QualityOur WarrantyOverhead Conveyor ComponentsPower Swage 2.5” Flanged BearingsPrecision ABEC-1 - Machined BearingsPrecision Drilled BallsPrecision Ground Drilled BallsPress and Swage Fit ToolingPress and Swage Fit ToolingPress Fit Conveyor Bearing MountsPress ReleasesPrivacy NoticePrivacy StatementProduct CatalogsProduct IndexesProduct SelectorsRadial Thrust Conveyor BearingsRegreasable & High Temp Conveyor BearingsRegreasable Conveyor BearingsRegreasable Conveyor BearingsRESOURCESSafety RulesServices BrochureSheave CatalogSheavesSheavesSlip and Swage Fit ToolingSlip and Swage Fit Tooling DetailsSoft Ground Polished BallsSoft Ground Polished Steel BallsSprocketed CDLR Conveyor Roller BearingsStainless Steel Ball TransfersStainless Steel BallsStainless Steel BallsStainless Steel Conveyor BearingsStainless Steel Skate WheelsSteel Ball GlossarySteel Ball PackagingSteel Ball QualitySteel BallsSterling Armor®Sterling Armor®Sterling Armor®Sterling Armor®Straight Faced Semi-Precision BearingsStraight Faced Unground Non-Precision BearingsSwage Fit Conveyor Bearing MountsSwage Fit Conveyor Bearing MountsTapered Conveyor Roller BearingsTechnical InformationTechnical InformationTerms and Conditions of UseTOOLSTube ID and GaugeVideosWHAT'S NEWWhat’s New at FRANTZWide Flanged Unground Non-Precision BearingsWork Rules