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5″ Rigid Poly Steel Top Plate 4-1/2″ x 6-1/4″


  • 45PU525
  • Deeply Grooved Double Ball Raceway
  • Ground And Hardened Spanner Bushing With Grease Hole And Groove
  • 3/4″ Heat Treated Kingpin is used to enhance the load capacity

In stock

If you need assistance in properly calculating the total capacity of your caster requirements, please contact us at (800) 222-7837 or for expert advice in guiding you with the right caster for your application.

Rigid 5" x 2-1/2" Poly Steel Roller Bearing
Top Plate: 4-1/2" x 6-1/4"
Bolt Pattern: 2-7/16" x 4-15/16" to 3-3/8" x 5-1/4"
Mounting Bolt: 1/2"
Overall Height: 6-1/2"
Load Cap: 1,400 Lbs.

      • Heavy Duty Hot Forged 1045 Steel Top Plate And Yoke
      • Zinc Plated
      • 3/8" Double Weld Legs
      • Grease Fitting In Yoke Base


Comparable Part Numbers:

  • 81TM05401R
  • R-FM-5DH
  • 23DE76
  • 54PU50KB2319YY

Recommended Applications:

  • Platform Trucks And Transport Dollies
  • Parts Bins, Storage Racks, & Textile Carts
  • Conveyor Systems
  • Warehousing & Freight Terminal Dollies
  • Ground Support Equipment
Weight 15.00 lbs
Dimensions 6.25 × 4.50 × 6.50 in

Rolling Bearing

Bolt Hole Pattern

2-7/16" x 4-15/16" to 3-3/8" x 5-1/4"


1400 Lbs

Caster Type

Heavy Duty, Rigid

Mounting Bolt


Overall Height


Tread Width


Top Plate Size

4-1/2" x 6-1/4"

Wheel Color

Green on Black

Wheel Diameter


Wheel Material

Polyurethane on Steel


Albion Casters, Caster Connection, Caster Warehouse, Durable Superior Casters, Grainger, Hamilton Caster & Mfg. Co., RWM, Superior Casters, Trio Pines Casters

Prop 65 Warning Message

This product may contain chemicals known to the state of CA to cause cancer, and birth defects or other reproductive harm.