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Four gray and black PVC casters with grip-ring stems, two locking wheels visible

Alera

Alera SW690004 Casters 200 lbs 4 Set

SKU CH-AKB2-367YV MPN SW690004

Set of four grip-ring casters with two locking wheels, 200 lbs per caster, PVC tread, for wire shelving

  • TypeCasters
  • FeaturesSnap-ring around stem for easy attachment. Helps make moving
  • ColorGray/Black
  • Quantity4/Set
  • SpecificationsGlobal Product Type: Casters & Glides-Commercial Toolbox & S
  • Snap-ring stem allows quick tool-free installation
  • Four casters per set convert stationary shelving to mobile
  • Two locking wheels keep unit stable when parked
  • Hard PVC tread rolls smoothly on hard floors
  • Each caster rated 200 lbs for 800 lbs total capacity

Product identity

The Alera SW690004 caster set adds four wheels to compatible wire shelving so the unit can be rolled instead of lifted. Each caster carries a 200 lbs rating for a combined 800 lbs across the set. Gray and black PVC wheels suit warehouse, stockroom and office environments where shelving must be repositioned occasionally.

Upgrade context

The casters replace fixed levelers or glides on existing wire shelves, turning a stationary rack into a mobile one. The jump is worth it when layouts change frequently or when heavy loads must shift between aisles without unloading. Using casters may reduce the shelving unit’s rated load capacity, so the swap suits users who accept a lower static limit in exchange for mobility.

Installation notes

A snap-ring around each grip-ring stem locks the caster into the shelf post without tools. Two wheels swivel freely and two include brakes for parking stability. The hard PVC tread rolls best on smooth concrete or vinyl; it can mark softer floors and may bind on thick carpet or uneven thresholds.

Highlights

  • Snap-ring stem allows quick tool-free installation
  • Four casters per set convert stationary shelving to mobile
  • Two locking wheels keep unit stable when parked
  • Hard PVC tread rolls smoothly on hard floors
  • Each caster rated 200 lbs for 800 lbs total capacity

Specifications

TypeCasters
BrandAlera
ModelSW690004
FeaturesSnap-ring around stem for easy attachment.
Helps make moving wire shelving easy.
Using casters may reduce load capacity for the shelving unit.
ColorGray/Black
Quantity4/Set
SpecificationsGlobal Product Type: Casters & Glides-Commercial Toolbox & Shelving Casters
Stem Type: Grip Ring
Wheel Tread: Hard
Material(s): PVC
Weight Capacity (text): 200 lbs Per Caster (800 lbs total)
Caster/Glide/Wheel: Grip Ring Stem Single Wheel Casters
Stem Size (W x H): 0.38" x 0.88"
Caster/Wheel Size : 4" Caster, 4" Wheel
Wheel Type: 2 Hard Single Wheel,2 Locking Hard Single Wheel
Compliance Standards: Meets or Exceeds ANSI/BIFMA Standards
Disclaimer Statement: Using casters may reduce load capacity for the shelving unit.
Shipping weight2.12 kg
Package size240 × 200 × 92 mm

Questions about this item

What stem size do these casters need to fit my wire shelving posts?

Each caster uses a grip-ring stem measuring .38 inch diameter by .88 inch height that snaps into standard wire-shelving posts.

How do I install the snap-ring stem casters and what step is often missed?

Push each stem firmly into the post until the snap-ring clicks into the groove; the step people miss is verifying all four rings are fully seated before loading the unit.

When should I replace the PVC wheels on these 200 lb casters?

Replace wheels when the hard PVC tread shows flat spots, cracking, or the swivel/locking action becomes stiff — typically after heavy daily use on abrasive floors.

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