Specification Brand : Service Caster BulletPoint1 : These Service Caster Series #30 Rubber on Cast Iron casters offer various wheel sizes and mounting heights: 4” wheel: 5-5/8” mounting height; 5” wheel: 6-1/2” mounting height; 6” wheel: 7-1/2” mounting height; 8” wheel: 9-1/2” mounting height. BulletPoint2 : Weight Capacity: 4": 400 lbs Capacity/Caster, 5": 400 lbs Capacity/Caster, 6": 450 lbs. Capacity/Caster, and 8": 500 lbs Capacity/Caster BulletPoint3 : Top plate measures at 4" x 4-1/2" with a bolt hole pattern of 2-5/8" x 3-5/8" to 3" x 3" and can either be bolted or welded on. BulletPoint4 : Brake options include a top lock brake (TLB), or a total lock brake (TTL). The top lock brake (TLB) places a positive locking force against the wheel tread locking the wheel only. The total lock brake (TTL) also places a positive locking force against the wheel tread, but the total lock brake (TTL) simultaneously locks the wheel and the swivel for a complete stationary position. BulletPoint5 : Find other wheel materials, sizes and all Service Caster products at our Amazon Storefront. Click on the “by Service Caster” link above the main title on any Service Caster page listing. Color : 4 Swivel w/4 Brakes & 2 Swivel Locks CompatibleWithVehicleType : Truck ExternallyAssignedProductIdentifier : 6440054784510 ExternallyAssignedProductIdentifier1 : 0011586572522 ExternallyAssignedProductIdentifier2 : 011586572522 ItemName : Heavy Duty Swivel Caster Set of 4 with 4 Inch Rubber on Metal Wheels and Ball Bearings - Includes 2 Swivel with Brakes and Bolt on Swivel Locks and 2 Swivel with Brakes - Service Caster Brand ItemPackageDimensions_Height : 32 centimeters ItemPackageDimensions_Length : 6.8 centimeters ItemPackageDimensions_Width : 13.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : plate-casters LoadCapacity : 400.0 pounds Manufacturer : Service Caster Material : Rubber on Cast Iron ModelName : Series #30 ModelNumber : Series #30 MountingType : Plate Mount NumberOfItems : 4 PartNumber : SCC-30CS420-RSB-TLB-BSL-2-TLB-2 ProductDescription : Listing is for a set of four (4) Service Caster Series #30 casters, two (2) swivel casters with side lock brakes & bolt on swivel locks and two (2) swivel casters with a side lock brakes, with 4" diameter by 2" wide rubber on cast iron wheel and maintenance free precision ball wheel bearings capable of supporting a total weight of 1,600 lbs. (400 lbs./caster). When searching for a reliable and durable solution for medium and heavy duty projects, consider Service Caster’s Series 30 moldon rubber on cast iron wheel casters. The Service Caster Series #30 is ideal for material handling, carts, equipment, and shop projects. The moldon rubber tread performs especially well on hard surfaces such as concrete, tile, and wood, while the cast iron core wheel stands up to heavier loads with a stable and secure roll. Finely crafted with double ball bearing heat treated raceways, these versatile casters are ideal for a wide range of applications, such as dollies, platform trucks, warehouse carts and freight terminals. Or ensure a smooth and secure ride for food service carts, hotel housekeeping carts, and industrial and commercial equipment. Even drywall carts, welding carts, and wall panel carts will be ready to roll on the Series 30, keeping you moving forward. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward. ProductSiteLaunchDate : 2020-12-07T16:16:43.736Z Size : 4" Wheel Style : Manual SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Multi-Surface UnitCount : 4 UnspscCode : 31162702 WebsiteShippingWeight : 23 pounds