Durastar Casters
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        • PTU - DURATOUGH
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        • ESD - Electrostatic Dissipating
        • DSU - REGAL DUCTILE CORE
        • DUSA - ALNITEK
        • SPU - Solid Polyurethane​
        • HU - HD Solid Polyurethane​
        • MU - GLASS-FILLED NYLON CORE
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        • HR | SR - HARD & SOFT RUBBER
        • RS - RUBBER ON CAST IRON
        • RN - DURAMORE
        • ERN - ELASTIC RUBBER ON NYLON
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        • PH - Phenolic
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LIGHT-MEDIUM DUTY CASTER


21 SERIES
Casters and Wheels

​Casters for carts, dollies and food service equipment.


THE DO EVERYTHING CASTERS

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

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

Applications of Casters and Wheels
  • Carts
  • Dollies
  • Food Service
  • Institutional
  • Office Equipment​

​Caster Data
Load Capacity 175 lbs. to 350 lbs.
Caster Types Swivel Caster, Rigid Caster, Swivel Caster with Total Lock Brake, Swivel Caster with Top Lock Brake, Swivel Caster with Posi-Lock Brake
Wheel Types Polyurethane Wheels, Polyolefin Wheels, Thermoplastic Rubber Wheels, Rubber Wheels, Nylon Wheels, Phenolic Wheels, Steel Wheels
Mounting Types Top Plate Caster, Threaded Stem Caster, Expandable Adapter Stem Caster
Wheel Diameter 3", 3-1/2", 4", 5"
Wheel Width 1-1/4"

Pick Wheel
► Polyurethane Wheels
► Polyolefin Wheels
► TPR Wheels
► Rubber Wheels
► Nylon Wheels
► Phenolic Wheels
​
► Steel Wheels
→
Pick Caster
​
► Swivel Caster
​
► Rigid Caster
​
► Total Lock Brake
​
► Top Lock Brake
​
► Posi-Lock Brake 
→​
Bearing
► ​Plain Bore
► ​Annular Bearing
​
► ​Roller Bearing
► ​Precision Bearing
​
► ​Delrin Bearing
​​
► ​Spanner Bushing
→
Mounting
► ​Top Plate
► ​Threaded Stem
► ​Expandable Adapter
  • WHEEL TYPE
  • CASTER TYPE
  • BEARING OPTIONS
  • FASTENING OPTIONS
  • CASTER PAD
<
>
21- Lightweight Wheel
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

21- Washable Wheel
SPU
Solid Polyurethane Wheel

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

21- Shopping Cart Wheel
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

21- Rubber Wheel
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​

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

Food Service Equipment Wheel
NY
Nylon Wheel

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

Duratek Wheel -21
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

Dollies Wheel -21
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

Phenolic Wheel -21
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

Steel Wheel -21
SS 
Semi-Steel Wheel

► High capacity
► Use metal only bearing components for temps higher than 180°
► Zerk fitting
Swivel Caster -21
Caster Type
► Swivel Caster


Rigid Caster0 -21
Caster Type
► Rigid Caster


Total Lock Caster -21
Caster Type
► Total Lock Brake Caster

Top Lock Brake Caster -21
Caster Type
► Top Lock Brake Caster


Posi Lock Brake Caster -21
Caster Type
► Posi-Lock Brake Caster

Annular Ball Bearing -21
Bearing Options
► ​Annular Ball Bearing

Roller Bearing -21
Bearing Options
► ​Roller Bearing

Precision Sealed Ball Bearing -21
Bearing Options
► ​Precision Sealed Ball Bearing

Delrin Bearing -21
Bearing Options
​► ​Delrin Bearing

Spanner Bushing -21
Bearing Options
​► ​Spanner Bushing

Plate Caster
​Top Plate Caster
​Sizes
► 2-3/8 x 3-5/8"
​► 2-3/8 x 3-5/8"
​► 4 x 4-1/2​"
Bolt Pattern
1/4"
1-3/4 x 2-15/16 to 2-3/8 x 3-3/8"
2-5/8 x 3-5/8 to 3 x 3"
Attaching Bolt Dia.
5/16"
5/16"
3/8"

Stem Caster
Threaded Stem
​Sizes
► 1/2-13 x 1"
► 1/2-13 x 1-1/2"


Expandable Adapter Stem Caster
For Expandable Adapter
​Sizes
► 1/2-13 x 2-9/16"


Expandable Stem Caster
Expandable Adapter
​Sizes
► 0.720 - 0.851
► 0.852 - 0.927
► 0.928 - 1.029
​
► 1.030 - 1.140

​►
 1.141 - 1.359
► 1.360 - 1.425
► 1.426 - 1.589
► ​1.790 - 1.850
Caster Pad
Caster Pad
Features

► Allows rapid in-field caster replacement
► Heavy gauge cold rolled steel
► Includes bolt, lock washer and nut


catalog page
CONTACT US

Durastar Caster Manufacturer in America -21
Everest Casters and Wheels
8600 NE Underground Dr, Pillar 339
Kansas City, MO 64161, USA
1-866-532-1698
PRODUCTS
CASTERS
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​
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© DURASTAR CASTERS 2022. ALL RIGHTS RESERVED.
  • Casters
    • Casters by Load Capacity >
      • ● Light Duty >
        • 01 Series
        • 06 Series
        • C08 Series
      • ● Light-Medium Duty >
        • 10 Series
        • 21 Series
        • 22 Series
        • 24 Series
        • S24 Series
        • 25 Series
        • S25 Series
        • 26 Series
        • 28 Series
      • ● Medium-Heavy Duty >
        • 04 Series
        • X05 Series
        • 30 Series
        • S30 Series
        • 34 Series
        • S34 Series
        • 35 Series
      • ● Heavy Duty >
        • 40 Series
        • S40 Series
        • 43 Series
        • 46 Series
        • C47 Series
        • C48 Series
        • 60 Series
      • ● Xtreme Heavy Duty >
        • 90 Series
        • 91 Series
        • 92 Series
    • CASTERS BY APPLICATION >
      • ● Cart / Handtruck Caster
      • ● Food Service Caster
      • ● Medical Caster
      • ● Automotive Caster
      • ● Industrial Caster
      • ● Waste Management Caster
    • Pneumatic/Flat-Free >
      • ● 100 Series
    • Stainless Steel >
      • ● S24 Series
      • ● S25 Series
      • ● S30 Series
      • ● S34 Series
      • ● S40 Series
    • Kingpinless / Maintenance Free >
      • ● 40 Series
      • ● S40 Series
      • ● 46 Series
      • ● C47 Series
      • ● 91 Series
      • ● 92 Series
    • Spring-loaded >
      • ● 43 Series
      • ● C48 Series
  • Wheels
    • Wheels By Material >
      • ● Polyurethane >
        • PTU - DURATOUGH
        • PPU - ECO POLY
        • DUA - SIRIUS
        • DW - DUAL WHEEL
        • ESD - Electrostatic Dissipating
        • DSU - REGAL DUCTILE CORE
        • DUSA - ALNITEK
        • SPU - Solid Polyurethane​
        • HU - HD Solid Polyurethane​
        • MU - GLASS-FILLED NYLON CORE
        • MX - HD GLASS-FILLED NYLON CORE
        • PU - CAST IRON CORE
        • EX - HD Polyurethane On Iron
      • ● Rubber >
        • PPR | DTR - DURATEK
        • PPREC - DURATEK CONDUCTIVE
        • FX - FORMULA XS
        • TPR | DPR - ECO RUBBER
        • HR | SR - HARD & SOFT RUBBER
        • RS - RUBBER ON CAST IRON
        • RN - DURAMORE
        • ERN - ELASTIC RUBBER ON NYLON
      • ● Polyolefin >
        • PO - Polyolefin
        • HPO - HD Polyolefin
      • ● Nylon >
        • NY - Nylon
        • MA - Glass-filled Nylon
        • TMA - Hi-Temp Glass-filled
      • ● Phenolic >
        • PH - Phenolic
        • TPH - Hi-Temp Phenolic
      • ● Steel >
        • SS - Cast Iron
        • DS - Ductile Steel
        • VG - Cast Iron V-Groove
        • DVG - Ductile Steel V-Groove
      • ● Flat-Free/Pneumatic >
        • FF - Flat Free
        • CPF - Flat Free on polyolefin
        • FP - Pneumatic
        • SNP - Semi-Pneumatic
    • Wheels by Application >
      • ● Cart / HandTruck Wheel
      • ● Heavy Duty Industrial Wheel
      • ● Food Service Wheel
      • ● Medical Wheel
      • ● Waste Mangement Wheel
    • ESD Conductive
  • Caster Accessories
    • Components
    • Brakes
    • Miscellaneous Parts
  • Material Handling
    • Wire Containers >
      • ● Open Foot Wire Containers >
        • 15102EV
        • 15403EV
        • 15404EV
        • 15406EV
        • 15739EV
      • ● Closed Foot Wire Containers >
        • 324028EV
        • 404824EV
        • 404836S4EV
        • JR5EV
    • Rolling Carts >
      • ● EVRC-8
      • ● EVRC-11
    • U-boat Trucks >
      • ● UC-1648
      • ● UC-1660
    • Hand Trucks >
      • ● Convertible Hand Truck >
        • AC3-FF
        • ACJ51-FF
        • ACS61-FF
      • ● Standard Hand Truck >
        • AD52E-FF-C
        • AH52-FT
        • AP52E-FF
        • AP52-FT
    • ONLINE CATALOG
  • Company
    • About Us
    • Contact
    • Warranty
  • Catalog
  • Success Story