21 Series Gray Rubber Tread Light-Medium Duty Casters - 4 Inch

Manufacturer: Stromberg

In Stock 2
Volume Discounts Apply
F.O.B. West Coast Warehouse
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 Gray Rubber Tread Light-Medium Duty Casters - 4 Inch

*Prices subject to change without notice

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Model No. Style Wheel Size Overall Height Wheel Type Capacity Weight Price Ea. Qty
21-40S-A1-RA Swivel 4" Diameter x 1-1/4" Wide 5-1/8" Gray Rubber Tread / Annular Bearing 265 lbs. 2.1 lbs. $11.73
21-40R-A1-RA Rigid 4" Diameter x 1-1/4" Wide 5-1/8" Gray Rubber Tread / Annular Bearing 265 lbs. 2.1 lbs. $9.32
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2 Options Available for
21 Series Gray Rubber Tread Light-Medium Duty Casters - 4 Inch

21 Series Gray Rubber Tread 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 $3.44

Option: Thread Guard

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

Model No. Price Ea. Qty
ThreadGuard $1.20