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WC 6600 Series Medium Heavy Duty Casters

  • Case hardened double ball raceways provide extra capacity & durability
  • Top plate and legs are made out of 1/4” cold forged steel
  • Corrosion-resistant zinc plated finish
  • 5/8” nut and bolt kingpin, 2-1/2” fork spacing
  • 1/2” zerk axle & lock nut on caster sizes 3-1/4” to 8” , 5/8” axle on 3” casters
  • Zerk fittings also in swivel bearings & most wheels
  • Applications: Miscellaneous carts, platform trucks, wire shelving units, heavy appliances, general duty material handling, vending machines, warehouse & factory applications, heavy foodservice & institutional equipment, textile applications, tool boxes, etc.


Swivel #
Replace ** with
Fastener Code
Rigid#
Replace ** with
Fastener Code
               
3"
1-13/16"
 Duraplas (Polyolefin)
 Plain 700 lbs.
2-1/2"
4-1/4"
 WC6630-**-XDP
 WC6630R-**-XDP
3"
1-13/16"
 Duraplas (Polyolefin) Roller 700 lbs.
2-1/2"
4-1/4"
 WC6630-**-XDP-RB WC6630R-**-XDP-RB
3"
1-13/16"
 High Temp Glass Filled Nylon Plain 1000 lbs.
2-1/2"
4-1/4"
 WC6630-**-HTGFN WC6630R-**-HTGFN
3"
1-13/16"
 High Temp Glass Filled Nylon Roller 1000 lbs.
2-1/2"
4-1/4"
 WC6630-**-HTGFN-RB WC6630R-**-HTGFN-RB
3"
1-13/16"
 Yoke, 5/8" Axle/Nut - 1000 lbs.
2-1/2"
4-1/4"
 WC6630-**-YAN WC6630R-**-YAN
3-1/4"
2"
 Phenolic Roller 700 lbs.
4-1/4"
4-1/4"
 WC6632-01-PHN
 WC6632R-01-PHN
3-1/4"
2"
 Yoke Only - 700 lbs.
4-1/4"
4-1/4"
 WC6632-01-Y WC6632R-01-Y
4"
2"
 Duraplas (Polyolefin) Roller 700 lbs.
3-9/16"
5-5/8"
 WC6640-**-XDP
 WC6640R-**-XDP
4"
2"
 Thermal Plastic Rubber Roller 300 lbs.
3-9/16"
5-5/8"
 WC6640-**-TPR WC6640R-**-TPR
4"
2"
 Phenolic Roller 800 lbs.
3-9/16"
5-5/8"
 WC6640-**-PHN WC6640R-**-PHN
4"
2"
 Polyurethane on Cast Iron Roller 800 lbs.
3-9/16"
5-5/8"
 WC6640-**-PCI WC6640R-**-PCI
4"
2"
 Polyurethane on Aluminum Roller 800 lbs.
3-9/16"
5-5/8"
 WC6640-**-PAL WC6640R-**-PAL
4"
2"
 Poly-U on Poly-O (Blue on Black) Roller 800 lbs.
3-9/16"
5-5/8"
 WC6640-**-XLB WC6640R-**-XLB
4"
2"
 Rubber on Cast Iron Roller 350 lbs.
3-9/16"
5-5/8"
 WC6640-**-RCI WC6640R-**-RCI
4"
2"
 Round Thermal Plastic Rubber Roller 300 lbs.
3-9/16"
5-5/8"
 WC6640-**-RTP WC6640R-**-RTP
4"
2"
 Steel (Cast Iron) Roller 900 lbs.
3-9/16"
5-5/8"
 WC6640-**-STL WC6640R-**-STL
4"
2"
 V-Groove (Cast Iron) Roller 900 lbs.
3-9/16"
5-5/8"
 WC6640-**-VG WC6640R-**-VG
4"
2"
 Solid Polyurethane Roller 800 lbs.
3-9/16"
5-5/8"
 WC6640-**-SPU WC6640R-**-SPU
4"
2"
 Solid Polyurethane 6203 P.BB 800 lbs.
3-9/16"
5-5/8"
 WC6640-**-SPUP WC6640R-**-SPUP
4"
2"
 Yoke Only - 900 lbs.
3-9/16"
5-5/8"
 WC6640-**-Y WC6640R-**-Y
4"
2"
 Yoke Notched w/ Welded on on PSL - 900 lbs.
3-9/16"
5-5/8"
 WC6640-01-Y-PSL N/A
5"
2"
 Duraplas / Poly-O
 Roller 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-XDP
 WC6650R-**-XDP
5"
2"
 Thermal Plastic Rubber Roller 350 lbs.
4-1/4"
6-1/2"
 WC6650-**-TPR WC6650R-**-TPR
5"
2"
 Phenolic Roller 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-PHN WC6650R-**-PHN
5"
2"
 Polyurethane on Cast Iron Roller 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-PCI WC6650R-**-PCI
5"
2"
 Polyurethane on Aluminum Roller 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-PAL WC6650R-**-PAL
5"
2"
 Poly-U on Poly-O (Blue on Black) Roller 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-XLB WC6650R-**-XLB
5"
2"
 Rubber on Cast Iron Roller 450 lbs.
4-1/4"
6-1/2"
 WC6650-**-RCI WC6650R-**-RCI
5"
2"
 Round Thermal Plastic Rubber Roller 350 lbs.
4-1/4"
6-1/2"
 WC6650-**-RTP WC6650R-**-RTP
5"
2"
 Steel (Cast Iron) Roller 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-STL WC6650R-**-STL
5"
2"
 V-Groove (Cast Iron) Roller 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-VG WC6650R-**-VG
5"
2"
 Solid Polyurethane Roller 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-SPU WC6650R-**-SPU
5"
2"
 Solid Polyurethane 6203 P.BB 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-SPUP WC6650R-**-SPUP
5"
2"
 Yoke Only - 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-Y WC6650R-**-Y
5"
2"
 Yoke Notched w/ Welded on on PSL - 900 lbs.
4-1/4"
6-1/2"
 WC6650-**-Y-PSL N/A
6"
2"
 Balloon Cushion on Aluminum
 Ball 400 lbs.
4-1/2"
7-1/2"
 WC6660-**-GRND
 WC6660R-**-GRND
6"
2"
 Polyolefin Plain 700 lbs.
4-1/2"
7-1/2"
 WC6660-**-HDP-PB WC6660R-**-HDP-PB
6"
2"
 Duraplas / Poly-O 6203 P.BB 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-XDPP WC6660R-**-XDPP
6"
2"
 Duraplas / Poly-O Oilite 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-XDPO WC6660R-**-XDPO
6"
2"
 Duraplas / Poly-O Plain 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-XDP-PB WC6660R-**-XDP-PB
6"
2"
 Duraplas / Poly-O Roller 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-XDP WC6660R-**-XDP
6"
2"
 Thermal Plastic Rubber Roller 410 lbs.
4-1/2"
7-1/2"
 WC6660-**-TPR WC6660R-**-TPR
6"
2"
 Phenolic Roller 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-PHN WC6660R-**-PHN
6"
2"
 Polyurethane on Cast Iron Roller 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-PCI WC6660R-**-PCI
6"
2"
 Polyurethane on Aluminum Roller 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-PAL WC6660R-**-PAL
6"
2"
 Poly-U on Poly-O (Blue on Black) Roller 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-XLB WC6660R-**-XLB
6"
2"
 Rubber on Cast Iron Roller 500 lbs.
4-1/2"
7-1/2"
 WC6660-**-RCI WC6660R-**-RCI
6"
2"
 Round Thermal Plastic Rubber Roller 410 lbs.
4-1/2"
7-1/2"
 WC6660-**-RTP WC6660R-**-RTP
6"
2"
 Steel (Cast Iron) Roller 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-STL WC6660R-**-STL
6"
2"
 V-Groove (Cast Iron) Roller 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-VG WC6660R-**-VG
6"
2"
 Solid Polyurethane Roller 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-SPU WC6660R-**-SPU
6"
2"
 Solid Polyurethane 6203 P.BB 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-SPUP WC6660R-**-SPUP
6"
2"
 Yoke Only - 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-Y WC6660R-**-Y
6"
2"
 Yoke Notched w/ Welded on on PSL - 900 lbs.
4-1/2"
7-1/2"
 WC6660-**-Y-PSL N/A
8"
2"
 Balloon Cushion on Aluminum
 Ball
 450 lbs.
6-1/2"
9-1/2"
 WC6680-**-GRND
 WC6680R-**-GRND
8"
2"
 Poly-U / Poly-O (Gray) Roller 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-XLG WC6680R-**-XLG
8"
2"
 Poly-U / Poly-O (Blue) Roller 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-XLB WC6680R-**-XLB
8"
2"
 Duraplas / Poly-O Roller 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-XDP WC6680R-**-XDP
8"
2"
 Thermal Plastic Rubber Roller 500 lbs.
6-1/2"
9-1/2"
 WC6680-**-TPR WC6680R-**-TPR
8"
2"
 Phenolic Roller 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-PHN WC6680R-**-PHN
8"
2"
 Poly-U / Cast-Iron Roller 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-PCI WC6680R-**-PCI
8"
2"
 Poly-U / Aluminum Roller 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-PAL WC6680R-**-PAL
8"
2"
 Rubber / Cast-Iron Roller 600 lbs.
6-1/2"
9-1/2"
 WC6680-**-RCI WC6680R-**-RCI
8"
2"
 Round Thermal Plastic Rubber Roller 500 lbs.
6-1/2"
9-1/2"
 WC6680-**-RTP WC6680R-**-RTP
8"
2"
 Steel Roller 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-STL WC6680R-**-STL
8"
2"
 V-Groove Roller 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-VG WC6680R-**-VG
8"
2"
 Solid Poly-U Roller 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-SPU WC6680R-**-SPU
8"
2"
 Solid Poly-U 6203-P.BB 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-SPUP WC6680R-**-SPUP
8"
2"
 Yoke Only - 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-Y WC6680R-**-Y
8"
2"
 Yoke Notched w/ Welded on on PSL - 900 lbs.
6-1/2"
9-1/2"
 WC6680-**-Y-PSL N/A



Fastener Type
Code
Size
     
Top Plate
01
Overall Size: 4" x 4-1/2"
Bolt Hole Pattern: 2-5/8" x 3-5/8" Slotted to 3" x 3"
Attaching Bolt Size: 3/8"
Top Plate
02
Overall Size: 4-1/2" x 6-1/4"
Bolt Hole Pattern: 2-7/16" x 4-15/16" Slotted to 3-3/8" x 5-1/4"
Attaching Bolt Size: 3/8"
Top Plate
04
Overall Size: 5" x 5-1/2"
Bolt Hole Pattern: 4-1/8" x 4-1/2"
Attaching Bolt Size: 7/16"
Threaded Stem

21
22
24
25
A-B x C
3/4-10" x 1-31/32"
3/4-10" x 1-3/4"
5/8-11" x 1-3/4" (Standard on 3” [6630])
1/2-13" x 1-3/4" (Standard on 3” [6630])
Plain Round
31
1-3/8" x 4" With 1/2" Cross Drilled Hole
2-1/2” Up Centered

Bearing Options
Add the desired bearing option abbreviation after the wheel designator
Example: WC6660-01-XDP-BB
 
Delrin Bearings 3/4” I.D. w/ Steel Spanner to 1/2” DBO
Delrin Bearings 3/4” I.D. w/ Delrin Spanner to 1/2” DBD
Delrin Bearings 1/2” I.D. DB
Roller Bearings with all metal components
(A must for high-temp applications)		 AMC
Sealed Precision Ball Bearings BB
   
Options For WC 6600 Series
(Add option abbreviation to end of the caster part #)
 
Integrated TLB TLB
Integrated TLB Works on Rigids! TLB
Position Lock PSL
Thread Guards TG
Thumb Screw Brake TSB
Raceway Seals SL
Quick Change Plate "Tool-Less" QCP-01-6400 (Zinc Bolt-On Type)
Quick Change Plate "Tool-Less" QCP-01-6400-Unplated (Weld-On)
   
Special Finishes
(Factory Order)
 
Polished Gold Finish PGF
Black Oxide BO
Nickel N
Chrome CR