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StemCaster Model K3

Capacity up to 300 pounds per caster. These institutional stem casters are ideal for most types of institutional equipment, and are offered with a wide
selection of wheels.

Use the Polyolefin ( Industrial Plastic ) wheel for “Standing Loads”. Polyolefin wheels eliminate the possibility of a flat spot developing on the surface of polyurethane and rubber tires when the weight exceeds 2/3 of the rated capacity when the object is left parked most of the time.

Stem Caster Model K3 Chart
(Click the Part Number to Order)

We do NOT include mounting Hardware.

Desktop: When you put your mouse over the words in the wheel description column you see a picture of the wheel. Click on the part number in the Swivel and Rigid columns to see the complete caster.

Mobile: Hold down your finger on the chart and scroll to the right to click on the part number you would like to order.

Filter through the Available Diameters to find the size you need.

CASTER WHEEL DIAM. TREAD WIDTH WHEEL TREAD MATERIAL Click below for Replacement Wheels STD BRG TYPE MAX CAP. EACH CASTER LBS. SWIVEL CASTER Part Number APPROX SWIVEL WEIGHT (LBS) APPROX SWIVEL RADIUS OVERALL HEIGHT
4″ 1 1/4″ Gray Soft Rubber
PS 200 K3RF4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ High Capacity Rubber
B 250 K3RH4BX 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ Gray Polyurethane
PS 250 K3GP4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ Black/Gray Polyurethane
PS 250 K3BK4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ Blue/Gray Polyurethane
PS 250 K3BP4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ Red/Gray Polyurethane
PS 250 K3RG4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ All Polyurethane
D 250 K3AP4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ Blue Polyurethane on Aluminum
B 300 K3PA4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ Polyolefin – Black
P 300 K3PB4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ Polyolefin – Black Donut
B 300 K3PB4BX 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ Nylon ( White )
B 300 K3NY4BX 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ Phenolic
P 300 K3TM4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ Hard Rubber
B 250 K3RN4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ High Temp Glass Filled Nylon
P 300 K3NP4X 2 3/4 3 1/4 5 1/8
4″ 1 1/4″ High Temp Phenolic – Fiberglass
P 300 K3TP4X 2 3/4 3 1/4 5 1/8
CASTER WHEEL DIAM. TREAD WIDTH WHEEL TREAD MATERIAL Click below for Replacement Wheels STD BRG TYPE MAX CAP. EACH CASTER LBS. SWIVEL CASTER Part Number APPROX SWIVEL WEIGHT (LBS) APPROX SWIVEL RADIUS OVERALL HEIGHT
5″ 1 1/4″ Gray Soft Rubber
PS 250 K3RF5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ High Capacity Rubber
B 300 K3RH5BX 3 1/4 4″ 6 1/8″
5″ 1 1/4″ Gray Polyurethane
PS 250 K3GP5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ Black/Gray Polyurethane
PS 250 K3BK5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ Blue/Gray Polyurethane
PS 250 K3BP5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ Red/Gray Polyurethane
PS 250 K3RG5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ All Polyurethane
D 300 K3AP5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ Blue Polyurethane on Aluminum
B 300 K3PA5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ Polyolefin – Black
P 300 K3PB5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ Polyolefin – Black Donut
B 300 K3PB5BX 3 1/4 4″ 6 1/8″
5″ 1 1/4″ Nylon ( White )
B 300 K3NY5BX 3 1/4 4″ 6 1/8″
5″ 1 1/4″ Phenolic
P 300 K3TM5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ Hard Rubber
B 250 K3RN5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ High Temp Glass Filled Nylon
P 300 K3NP5X 3 1/4 4″ 6 1/8″
5″ 1 1/4″ High Temp Phenolic – Fiberglass
P 300 K3TP5X 3 1/4 4″ 6 1/8″

StemCaster Model K3 Features

img Swivel Construction – Stamped steel. Swivel has double ball bearing with hardened raceways. Metal cover shields swivel bearings from dirt and dust.
img Axle – 3/8″ diameter bolt with lock nut.
img Wheel Bearing – PS= Precision Sealed Ball Bearings, B= Ball Bearings, D= Delrin Bearings, P= Plain Bore, RB= Roller Bearing
img Finish – external metal parts are Zinc plated.

Mounting Stems:

TB – Top Lock Brake

PTB – Plastic Pedal Top Lock Brake

Typical Applications:

img Material Handling
img Stocking Carts
img Food Service Carts
img Mobile Workstations
img Office Equipment
img Laboratory Equipment
img Bakery Equipment
img Moving Dollies
img Computer Equipment Stands
img Electronic & Diagnostic Equipment and Carts
img Computer Room Equipment
img Institutional Equipment

Need Help with your order?
(800) 501-3808

You should never select on the basis of load capacity alone. There is no industry standard for load capacity ratings and they may not include a factor for abuse. Our capacity ratings are below what the casters are capable of carrying because most applications have less than perfect conditions. Please refer to the information shown at the bottom of this page. If you have any doubt as to which wheel or caster is the BEST choice for your application contact us for a recommendation.