As an Amazon Associate, we earn from qualifying purchases. Home » Hamilton » S-7521-SPRT-4SL Hamilton Hamilton . S-7521-SPRT-4SL Gallery Attributes Brand name, Manufacturer name, Manufacturer, Extra Product NameHamilton DimensionUnitinch GraingerSku, MPNS-7521-SPRT-4SL UnitOfMeasureEA Weight106 WeightUnitlbs cali_prop65_orglabel, cali_prop65_whtlabelFalse countryOfOriginUS extendedLead20 extendedQty-2 height, length, moq, multiple, tierMinQty1, width, Number of Wheels1 jsonUrlData924526ffbdad25e5923b qtyInStock0 qtyInStockOverrideDrop Ship SKUG3711222 tierPrice11455.04 urlhttps://www.zoro.com/hamilton-ground-support-swivel-caster-21-heavy-duty-solid-pneumatic-tire-swivel-lock-s-7521-sprt-4sl/i/G3711222/ Caster Wheel ShapeStandard Caster Wheel/Tread MaterialSolid Pneumatic Load Rating2800 Wheel Dia21 Wheel Width6.9 Inside Bolt Hole Spacing7 x 7 Core Color, Wheel/Tread ColorBlack Caster Temp Range-30 to 120 deg(F) Thread Guards, Non-MarkingNo Mounting Bolt Dia0.625 Caster Core MaterialSteel Plate Size8 1/2 x 8 1/2 Caster Swivel Lock Type4-Position Caster Product Group, ItemSwivel Caster Frame FinishPowder Coat StandardsICWM Caster Plate Hole PatternD Caster Wheel BearingsTapered Replacement WheelW-2160-SPRT-1-1/4 Caster Frame MaterialForged Steel Wheel/Tread Hardness RatingSoft Number of Mounting Holes4 Mounting Height24.5 Country of Origin (subject to change)United States Distributor offers SellerSKUMOQIn stockMultiplePrices ZoroG3711222111 @ $1455.04 ZoroG9088088111 @ $991.20