21 SERIES

Light-Medium Duty Caster

Load Capacity

350 lbs

The Do Everything Caster

From food service to laboratories the 21 Series is strong and reliable every day of the week.

Caster Applications
► Carts
► Dollies
► Food Service
► Institutional
► Office Equipment

Features
► Double ball bearing raceway
► Zinc plated finish
► Heavy gauge cold rolled steel

Wheel Diameter

Tread Width

Pick Wheel

→

Pick Caster
► Swivel Caster
► Rigid Caster
► Total Lock Brake Caster
► Top Lock Brake Caster
► Posi-Lock Brake Caster

→

Pick Bearing
► Plain Bore
► Annular Bearing
► Roller Bearing
► Precision Bearing
► Delrin Bearing
► Spanner Bushing

→

Pick Mounting
► Top Plate
► Threaded Stem
► Expandable Adapter

WHEEL TYPE
CASTER TYPE
BEARING OPTIONS
FASTENING OPTIONS
CASTER PAD

PTU
DURATOUGH Hi-Tech Polyurethane on Polyolefin Wheel
► High grade polyurethane tread that will not disintegrate
► High capacity and lightweight
► Resists oil, grease, water, and most solvents
► Non-marking, smooth rolling and quiet
► Multi-year tread durability and various colors available

SPU
Solid Polyurethane Wheel
► 100% washable
► One piece mold design eliminates bonding failure
► High impact and abrasion resistant

HR | SR
Hard Rubber & Soft Rubber Wheel
► HR - Hard Rubber Wheel - High impact molded hard rubber
► SR - Soft Rubber Wheel - Tread molded to hard rubber core for shock absorption and floor protection

PO
Polyolefin & Donut Tread Polyolefin Wheel
► Economic and light weight injection molded wheel
► Resistant to high shock, impact, chemicals and abrasion
► Resists water

NY
Nylon Wheel
► Excellent wheel for washdown applications
► Highly resistant to chemicals and solvents
► Non-marking

PPU
Polyurethane on Polyolefin Wheel
► Injection Molded Polyurethane
► High capacity and lightweight
► Resists oil, grease, water and most solvents
► Non-marking, smooth rolling and quiet
► Various colors available

PPR
Duratek High Tech Rubber Wheel
► High-grade thermoplastic elastomer mechanically bonded to polyolefin core
► Resists most solvents, oil, grease and water
► Non-marking, quiet and smooth operation
► Great for factory, institutional and food service environments

FX
Formula XS Rubber Wheel
► Thermoplastic rubber bonded to polyolefin core
► Non-marking, quiet and smooth operation
► Great for furniture dollies, factory, institutional and food service environments

PH
Phenolic Wheel
► Use metal only bearing components for temperatures over 180°
► Resistant to high shock, impact, oils and grease
► Economic wheel made in the USA
► Zerk fittings available in 5, 6, 8 x 2 as well as all 2-1/2 & 3 wide wheels