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Total Locking Casters - Caster Model 4A - Plate Mount
Capacity up to 400 pounds per caster with a small mounting plate size 2 1/2" x 3 3/4".
These casters are ideal for applications where the caster must be totally immobile when the caster brake is applied. Caster Model 4A has a unique brake which locks both the wheel and the swivel bearing at the same time. This "Total-Lock" brake insures that the swivel caster will not turn when the wheel is locked. This combination wheel brake and swivel lock is essential for safety in applications - such as on worktables, tablesaws, and medical equipment. The Total-Lock brake is desireable whenever a brake is needed because it makes a swivel caster totally immobile. The wheels featured with Caster Model 4A are non-marking, and all except Polyolefin and Phenolic can be used on hardwood floors. Polyolefin and Phenolic wheels are best at reducing the risk of a flat spot occuring when loads are left standing for prolonged periods. All the wheels have a precision sealed ball bearings for easier rolling. Gray Soft Rubber and Polyurethane wheels provide quiet operation, floor and cargo protection.

Mounting Plate - 2 3/8" x 3 5/8"
We suggest that you do NOT drill the mounting holes to attach the casters until you receive them.
We do NOT include mounting Hardware.

Typical Applications
Heavy Duty Workbenches - Shop Equipment - Movie & Soundstage Equipment - Hospital / Medical Equipment
Large Computer Equipment Stands and Mobile Workstations - Large Electronics & Diagnostic Equipment
Features:  
  • Swivel Construction - Stamped steel. Swivel has double ball bearing.
  • All wheels have precision sealed ball bearings ( PS ) .
Total-Lock Brake:
Total Lock Brake in the
Un-Locked Position		 Total Lock Brake in the Locked Position
  • Combination Wheel Brake and Swivel Lock - This brake simultaneously locks the wheel and the swivel. One step on the activating pedal instantly locks the entire caster holding the equipment firmly in place. One step on the release pedal frees the swivel and wheel.
Click Here to see ALL available sizes, wheels and to ORDER.
Caster Photos are with 6" Wheels - 4" - 5" and 6" are available.

Polyurethane on
Polyolefin Blue/Black
in Un-Locked Position
Polyurethane on
Polyolefin Maroon/Gray
in Un-Locked Position
Polyurethane on
Glass-Filled Nylon
in Un-Locked Position

Black Polyolefin
in Un-Locked Position

Phenolic
in Un-Locked Position


Super Cushion
Rubber
in Un-Locked Position


Gray Soft Rubber
in Un-Locked Position
Polyurethane on
Glass-Filled Nylon Swivel Caster
No Brake
Polyurethane on
Polyolefin Maroon/Gray
Swivel Caster
No Brake
Polyurethane on
Polyolefin Blue/Black Rigid Caster
No Brake
Photos are only a sample of available products. To see all available products & sizes, Scroll Down or Click Here.
Click on the Part Numbers for Pricing and Options
Caster
Wheel
Diam.		 Tread
Width		 Click here
to compare
wheel materials.		 Std
Brg
Type
Max
Cap.
Each
Caster
lbs.
Click Part Numbers Below
For Price and to Order

Approx
Swivel
Weight
lbs.		 Overall
Height
Wheel Tread Material
Click to see Wheel		 Swivel Caster
Total-Lock Brake
Swivel Caster
( No Brake )		 Rigid Caster
( No Brake )
Buy it Now Buy it Now Buy it Now
4" 2" Gray Soft Rubber, Flat PS 250 4ARF4x2-ML 4ARF4x2-S 4ARF4x2-R 4 5 5/8"
Poly on Glass-Filled Nylon PS 400 4AUG4x2-ML 4AUG4x2-S 4AUG4x2-R 5
Polyurethane - Blue/Black PS 400 4AUP4x2-ML 4AUP4x2-S 4AUP4x2-R 5
Polyurethane - Maroon/Gray PS 400 4AMG4x2-ML 4AMG4x2-S 4AMG4x2-R 5
Polyolefin ( Industrial Plastic ) PS 400 4APB4x2-ML 4APB4x2-S 4APB4x2-R 3 1/2
Phenolic PS 400 4ATM4x2-ML 4ATM4x2-S 4ATM4x2-R 4 1/2
5" 2" Gray Soft Rubber, Flat PS 300 4ARF5x2-ML 4ARF5x2-S 4ARF5x2-R 5 6 1/2"
Poly on Glass-Filled Nylon PS 400 4AUG5x2-ML 4AUG5x2-S 4AUG5x2-R 6
Polyurethane - Blue/Black PS 400 4AUP5x2-ML 4AUP5x2-S 4AUP5x2-R 6
Polyurethane - Maroon/Gray PS 400 4AMG5x2-ML 4AMG5x2-S 4AMG5x2-R 6
Polyolefin ( Industrial Plastic ) PS 400 4APB5x2-ML 4APB5x2-S 4APB5x2-R 4
Phenolic PS 400 4ATM5x2-ML 4ATM5x2-S 4ATM5x2-R 4 3/4
6" 2" SUPER CUSHION Rubber PS 350 4ACB6x2-ML 4ACB6x2-S 4ACB6x2-R 6 7 1/2"
Gray Soft Rubber, Flat PS 400 4ARF6x2-ML 4ARF6x2-S 4ARF6x2-R 5 3/4
Poly on Glass-Filled Nylon PS 400 4AUG6x2-ML 4AUG6x2-S 4AUG6x2-R 7
Polyurethane - Blue/Black PS 400 4AUP6x2-ML 4AUP6x2-S 4AUP6x2-R 7
Polyurethane - Maroon/Gray PS 400 4AMG6x2-ML 4AMG6x2-S 4AMG6x2-R 7
Polyolefin ( Industrial Plastic ) PS 400 4APB6x2-ML 4APB6x2-S 4APB6x2-R 5
Phenolic PS 400 4ATM6x2-ML 4ATM6x2-S 4ATM6x2-R 5 1/2


- Swivel Radius for Casters with the Total-Lock Brake - ALL SIZES - 4 1/2"

Deduct 1 lb. for weight of rigid caster.

Use the Polyolefin ( Industrial Plastic ) wheel for "Standing Loads". Polyolefin wheels eliminate the possiblilty of a flat spot developing if the castered equipment is left parked for a prolong period.

You should never select on the basis of load capacity alone. Capacity ratings do not take into account the effort required to manually move a load. Capacity ratings are based on manual operation under ideal conditions. These casters are not to be moved by mechanically powered equipment.


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Photos & graphics are for informational purposes only. Actual product may vary slightly from those shown.
Wheel colors may vary unless specified. If wheel color is important, please contact us for current inventory.