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3″ Swivel Glass Filled Nylon Low Profile Business Machine Caster


  • 50MA3012
  • Minimum overall height for maximum load capacity
  • Bright zinc-finish as standard
  • Optional finishes 

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.

Swivel 3" x 1-3/4" Glass Filled Nylon Roller Bearing
Top Plate: 3-1/8" x 4-1/8"
Bolt Pattern: 2-3/8" x 3-3/8"
Mounting Bolt: 5/16"
Overall Height: 4-5/32" (Reduce overall height 1/8 for stem casters)
Swivel Radius: 2-3/8"
Load Cap: 1000 Lbs.

  • Double Bearing Hardened Raceway Construction Offers Higher Capacity And Durability
  • Zinc Plating Standard (Black Oxide Finish Available)


Comparable Part Numbers

  • BMS30152TZ-GFN61 (KK)
  • S4.3305.351
  • S5433-A32F-RX-RB
  • 04CS3113MA62B-02
  • 36F696
  • 21NG03201S
  • 1VJD9
  • 416P22
  • TP8030-03-NGF
  • 05MA30IB3612YY

Recommended Applications

  • Vending Machines
  • Diagnostic Equipment
  • Printer Stands, Computer Mainframes & Towers
  • Point Of Purchase Displays, Shelves, & Merchandisers
  • Refrigerators, Freezers, & Reach-In Units
  • Automotive Dollies and Jacks
  • Applications Requiring High Load Capacity And Low Overall Height
Weight 7.50 lbs
Dimensions 3.20 × 4.20 × 4.00 in
Top Plate Size

3-1/8" x 4-1/8"

Bolt Hole Pattern

2-3/8" x 3-3/8"


1000 Lbs

Caster Type


Overall Height


Swivel Radius


Tread Width


Wheel Color


Wheel Diameter


Wheel Material

Glass Filled Nylon

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.