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4″ Swivel Poly Steel Kingpinless Top Plate 4-1/2 x 6-1/4


  • 74PU40
  • Offset raceway design, heat treatment and tampering processes allows these casters to carry the maximum weight of the bearing used
  • Unsurpassed durability
  • Use in abusive and demanding shock load applications that may cause traditional kingpin casters to fail

Swivel 4" x 2" Poly Steel Kingpinless 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: 5-5/8"
Swivel Radius: 3-11/16"
Load Cap: 800 Lbs.

      • Unique Hot Forged ASTM1045 Steel Kingpinless Design Eliminates Problems Associated With Kingpin Failure Due To Severe Shock Loading
      • Top Plate And Inner Raceway Are Integrally Forged Construction
      • Precision Machined And Induction Hardened Sealed Raceway Provides Exceptionally Smooth Performance
      • 3/8" Diameter HRC45 Steel Ball Bearings Withstand Shock Loading In Severe Environments
      • Grease Fittings In Swivel Raceway




Comparable Part Numbers:

  • 110PY04201SPATK
  • 40CS420PU2304
  • 47PU40JG0419YY

Recommended Applications:

  • Tow Line & Shock Load Applications
  • Air Cargo & Ground Support
  • Platform Trucks & Storage Carts
  • Warehousing & Freight Terminal Dollies
  • Military Equipment
Weight 9.00 lbs
Dimensions 6.25 × 4.50 × 5.63 in

Rolling Bearing

Bolt Hole Pattern

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


800 Lbs

Caster Type

Kingpinless, Swivel

Mounting Bolt


Overall Height


Swivel Radius


Tread Width


Top Plate Size

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

Wheel Color

Color May Vary, Green, Green on Black

Wheel Diameter


Wheel Material

Polyurethane on Steel, PU


Albion Casters, Algood, Caster Connection, Caster Warehouse, Colson Caster, Durable USA, Durastar, Superior 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.