Specification Brand : Krowne BulletPoint : Krowne Shelving Caster, locking wheels, 5" diameter, 220 lbs per caster load capacity, grease resistant, raises height of equipment 6" (set of 4) BulletPoint1 : PERFECT CASTER ROLLER FOR ANY DIY PROJECT: Wheel tread is non-marking, and smooth rolling, while being highly resistant to oil, grease, and water. BulletPoint2 : MANY USES: Can be placed on any project where you need move loads from one place to another. BulletPoint3 : MEASUREMENTS: 3/4" Roller Bearing with 1/2" ID Bushing (Manufacture will provide zerk fitting in the wheel or axle), Top Plate: 4" by 4 1/2", Bolt Pattern: 3" by 3" O.A.H: 5 5/8". BulletPoint4 : CAPACITY: Supports 700 lbs each, 2,800 lbs total support. BulletPoint5 : FAMILY OWNED BUSINESS: Casters Industrial Sales has been in business for over 30 years, we are a family owned business in America that supplies to all OEMs. Trust us to supply your projects with quality casters. BulletPoint6 : Number of items: 15 Color : Silver Color1 : Red Color2 : Silver CompatibleWithVehicleType : Bicycle ConstructionType : 1 ExteriorFinish : Silver ExternallyAssignedProductIdentifier1 : 822196281519 ExternallyAssignedProductIdentifier2 : 0822196281519 HoleCount : 1 IncludedComponents : 1 ItemDisplayDimensions_Length : 10 inches ItemDisplayWeight : 9 pounds ItemName : Krowne Shelving Caster, Locking Wheels Silver (1 x 1. inches /1 x, 1 miles offset) ItemOffset : 1 miles ItemPackageDimensions_Height : 29.1 centimeters ItemPackageDimensions_Length : 13.6 centimeters ItemPackageDimensions_Width : 19.7 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : plate-casters LoadCapacity : 220.0 pounds LoadIndex : 1 Manufacturer : Krowne Metal Corp. Material : Metal Material1 : Stainless Steel Material2 : Acrylonitrile Butadiene Styrene (ABS) MaximumWeightRecommendation : 1 kilograms ModelName : Krowne Shelving Caster, Locking Wheels ModelNumber : 28-151S MountingType : Plate Mount NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : 28-151S PitchCircleDiameter : 1 miles ProductDescription : Size: 4" x 2" Style: Caster Condition: New Feature: 3/4" Roller Bearing with 1/2" ID Bushing (Manufacture will provide zerk fitting in the wheel or axle) Type: Swivel Caster w/ Total Lock Brake Bearing: Roller Bearing Top Plate: 4" by 4 1/2" Bolt Pattern: 3" by 3" O.A.H: 5 5/8" Material: Heavy Duty Polyurethane on Steel Capacity: 700 lbs Quantity: 1 - Set of 4 Part Number: 504PSBT4 Installation Hardware: Not included ProductSiteLaunchDate : 2012-10-30T21:49:27.323Z Size : 5" No Brake 8pcs + Screws - Blue SpecificUsesForProduct : 1 SpeedRating : 1 Style : single-black SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Multi-Surface UnitCount : 1 WebsiteShippingWeight : 3.815 kilograms