Bearing typeNeedle Roller
Roller materialAlloy Steel
Bearing materialAlloy Steel
Standard logoabma.png
Number of bearings1
Thread length1 1/8"
Stud materialCarbon Steel
Dynamic load capacity15280 lbs.
Roller dia.2 1/2"
Roller width1 1/2"
Stud length2 1/4"
Static load capacity33000 lbs.
Thread size13
Stud diameter1 1/4"
Stud thread length1 1/8"
Drive typeSlotted
System of measurementImperial
Rolling element rows1
Stud thread size1 1/4"-12
Minimum temperature-30°F
Dynamic radial load capacity15280 lbf.
Maximum temperature250°F
Static radial load capacity33000 lbf.
Bearing material gradeAISI 52100
ClosureOpen
Drive locationStud
Duty typeHeavy
Face designScrewdriver Slot
Roller head typeFlat
Roller material gradeGrade 52100
StandardsABMA
Stud typeConcentric
Closure typeOpen
Head typeSlotted Head
SeriesHr Series Heavy Stud
Roller shapeFlat
Finish/coatingBlack Oxide
Bearing elementNeedle Rollers
Material52100 Bearing Steel
Product typeCrowned & Flat Cam Followers
Radial dynamic load capacity15280 lbf
Oem part numberHR-2-1/2
Number of rows1
Manufacturer upc number651041015593
Manufacturer catalog numberHR-2-1/2
Male thread size1 1/4-12
Lube size0.1563 in
General informationHeavy Stud type cam follower Cylindrical outside diameter Needle roller Slot Hole
Roller diameter2-1/2 in
Roller profileFlat
Static capacity33000 lbf
Stud dia.1.250 in
End typeSlotted
Inch/metricInch
Roller typeCylindrical
Thread typeUNF
EnclosureUnsealed
Dynamic load rating15280 lbf
Threads per inch12
Ean or upc651041009134