21 Series Soft Rubber Light-Medium Duty Casters - 4 Inch

Manufacturer: Stromberg

In Stock 2
F.O.B. West Coast Warehouse
Red Hot Special while Supplies Last.

20 Series Light Medium Duty Casters 3 Inch Chart

General use casters that make great replacement casters for home, office and industrial furniture and equipment.

Top Plate

  • Overall Size: 2-1/2" x 3-5/8"
  • Bolt Hole Spacing: 1-3/4" x 2-7/8" to 3"
  • Attaching Bolt Size: 5/16"


2 Models Available for
21 Series Soft Rubber Light-Medium Duty Casters - 4 Inch

*Prices subject to change without notice

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Model No. Style Wheel Type Overall Height Wheel Type Capacity Weight Price Ea. Qty
21-40S-A1-SBB Swivel 4" Diameter x 1-1/4" Wide 5-1/8" Soft Rubber / Ball Bearing 165 lbs. 2.4 lbs. $8.46
21-40R-A1-SBB Rigid 4" Diameter x 1-1/4" Wide 5-1/8" Soft Rubber / Ball Bearing 165 lbs. 2.4 lbs. $7.68
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2 Options Available for
21 Series Soft Rubber Light-Medium Duty Casters - 4 Inch

21 Series Soft Rubber Light-Medium Duty Casters - 4 Inch Option Image

Option: Top Lock Brake

F.O.B. West Coast Warehouse

Upgrade Standard caster with optional top lock brake. Priced per caster

Model No. Price Ea. Qty
Top_Lock_Brake $2.92
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Option: Thread Guard

Upgrade standard caster with optional thread guard. Priced per caster.

Model No. Price Ea. Qty
ThreadGuard $0.98
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