The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.

W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.

10" x 3" Phenolic Casters

Plate sizes: 3-3/8 x 5-1/4, 4-1/2 x 6-1/4, 5-1/4 x 7-1/4Bolt holes: 2-7/16 x 4-15/16 slotted to 3-3/8 x 5-1/4; 3-3/8 x 5-1/4 slotted to 4-1/8 x 6-1/8Diameter: 10 inTread: 3 inCapacity: up to 2,900 lb

This 75 Series - Kingpinless (to 4100 lb/ea) aisle groups plate-mount casters built for bake carts, metalworking fixtures, and debris-heavy floors. Expect wheel diameters 10 in, phenolic treads, and capacities 2,900 lb. When floors see chemicals or washdowns, prefer sealed bearings and non-absorbent wheel compounds. Larger plates spread bolt stress on thick frames under continuous tow abuse. Use kingpinless or heavy plate series when shock loads keep shearing kingpin races.