Specification Brand : Service Caster BulletPoint1 : These Service Caster Series #30 Polyolefin 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": 500 lbs Capacity/Caster, 5": 650 lbs Capacity/Caster, 6": 700 lbs. Capacity/Caster, and 8": 900 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) and 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 - Total Lock Brakes - Black CompatibleWithVehicleType : Truck ExternallyAssignedProductIdentifier : 5056316324021 ItemName : Polyolefin Swivel Top Plate Casters Set of 4 Heavy Duty with 6 Inch Wheels - Includes 4 Swivel with Total Lock Brakes – 2,800 lbs. Total Capacity - Service Caster Brand ItemPackageQuantity : 4 ItemTypeKeyword : plate-casters LoadCapacity : 500.0 pounds Manufacturer : Service Caster Material : Polyolefin Material1 : Plastic Material2 : Polyvinyl Chloride (PVC) ModelNumber : Series #30 MountingType : Steep Mount NumberOfItems : 4 PartNumber : SCC-TTL30S620-POR-4 ProductDescription : Listing is for a set of four (4) Service Caster Series #30 swivel casters with 6" diameter by 2" wide polyolefin wheels with total lock brakes capable of supporting a total weight of 2,800 lbs. (700 lbs. per caster). When searching for a reliable and durable solution to your caster needs, consider Service Caster Series 30 top plate polyolefin wheel casters. The Service Caster Series #30 features light weight polyolefin wheels that are resistant to shock, chemicals and abrasion, and finely crafted with a bright zinc plated finish and heat-treated ball bearing raceway. 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 : 2020-08-24T14:55:04.273Z Size : 6" Wheel SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Multi-Surface UnitCount : 4 UnspscCode : 31162702 WebsiteShippingWeight : 23.8 pounds