Frame finishEnamel
Wheel width3"
Tire rim dia.4"
Plate thickness0.312"
Mounting bolt dia.1/2"
Load rating330 lbs.
Wheel bearingsPrecision Ball
Hub width3"
Caster load rating range300 lbs. to 999 lbs.
Temp. range-30°F to +120°F
Hub materialSteel
Non-markingNo
Plate typeD
Hole patternA
Caster temp. range availableYes
Hub typeSymmetrical
Mounting typePlate
TreadSawtooth
Hub colorBlack
Frame materialForged Steel
Ply4
Mounting bolt1/2"
Mounting height10 5/8"
Swivel offset2 3/4"
Wheel face3"
Caster sub-typeSwivel
Moisture resistanceMedium
Mounting plate bolt hole patternA
Swivel raceway typeSingle Ball
Wheel typePneumatic
Wheel/tread hardness ratingSoft
Operating temperature range-30°F to +120°F
Mounting plate4 1/2" x 6 1/2"
Mounting plate4 1/2" x 6 1/2"
Mounting plate size4 1/2" x 6 1/2"
Mounting plate size4 1/2" x 6 1/2"
Bolt hole 23 3/8" x 5 1/4"
Bolt hole 23 3/8" x 5 1/4"
Number of wheels1
Number of mounting holes4
Low temp. range (f)-30°F
Bearing typePrecision Sealed Ball
Caster color/finishCrimson Powder
Cushioning (resilience)Highest
Mounting plate size & bolt hole pattern4 1/2" X 6 1/2" ( A )
Replacement wheelW-8-PRB-17
Wheel color/finishBlack Tire On Black Rim
Bolt hole 12 3/8" x 4 15/16"
Bolt hole 12 3/8" x 4 15/16"
Tire size2.8-2.5-4
Caster rig typeIntegral Forged Kingpin
Abrasion resistanceLow
Caster brake typeNo Brake Included
Caster frame materialSteel
Caster mounting typePlate
Chemical resistantLow
Impact resistanceHigh
Includes thread guardsNo
Relative capacityLow
Relative costHigh
Swivel constructionKingpin
Swivel or rigid casterSwivel
Tread colorBlack
Wheel bearing typePrecision Ball
Wheel material @ treadRubber
Wheel/tread hardness60 Shore A
Wheel/tread materialRubber
High temp. range (f)120°F
Load capacity330 lbs.
Load capacity @ 3 mph330 lbs.
Max air pressure50 lbs.
Wheel face3"
Overall height10 5/8"
Wheel dia.8"
Wheel dia.8"