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Most of our casters are assembled and dispatched within 24-48 hours.
Click to Download CAD Files
Download 2D FileTechnical Specifications
Wheel Width
1.25"
Caster City Recommendation
Ollie Recommends!
Non-Marking
Yes
ISO 9001
ISO 9001:2015 Certified
Fork Finish
Zinc Coating
Wheel Bearing
Ball
Maximum Capacity (lbs)
300 lbs
Overall Height
6-1/8"
Swivel Radius
4"
Color
Blue
Zinc Stem Add Ons
ER17, ER21, ER25, ER26, ER27, ER28, ER29, ER9, HK1/2, TS22, TS26N, TS3/4, TS5/8, TSC1, TSC2, TSC3
Zinc Brake Codes
PTB, TB
Lube Axle Code
LA
Model 3 Fastener Type
Expanding Rubber Stem, Grip Ring Stem, Hollow Kingpin, Round Stem, Square Stem, Threaded Stem
Mounting Type
Stem
Weight
2.5 lbs
Description
The Model 3 Stem Caster by Caster City is a swivel caster made from stamped steel with bright zinc plating for rust resistance. Mounts via a stem into equipment socket holes. Available in grip ring, threaded, expanding adapter, or square and round metal stems. Two rows of ball bearings on hardened raceways provide smooth swivel operation. A metal dust cover over the swivel raceways shields them from dirt and dust. A 3/8″ diameter bolt axle with lock nut carries the wheel and the swivel is held together by a 1/2″ diameter rivet. Load rated to 350 lbs per caster depending on stem type. Uses 1-1/4″ wide wheels. Multiple wheel and brake options are available. Ideal for mailing and shipping stations, packaging workbenches, and fulfillment center carts with tubular frames. This caster is NSF listed.
The UAO industrial caster wheel features a robust crown tread polyurethane tire chemically and mechanically bonded to a sturdy aluminum hub. This orange polyurethane on aluminum caster wheel offers higher aesthetic value than iron centered wheels and is lighter than standard polyurethane on iron wheels. The wide crown tread is engineered for seamless directional changes. The Durometer is 90A, offering a semi-cushioned ride that is flexible enough to climb over small debris, door jambs, and expansion joints. Given the same size load on a smooth floor, a polyurethane caster wheel rolls easier than the same size conventional rubber caster wheel. This caster wheel offers superior load capacity compared to hard composition or metal wheels with enhanced floor protection. This caster wheel comes with high-efficiency, maintenance-free precision sealed ball bearings. Polyurethane caster wheels can have their chemical bonds weakened by overloading, chemical exposure, heat from continuous usage, or heavy impacts. Ideal for distribution centers, logistics carts, and light industrial applications.
For more information and help placing an order, give us a call at 800-501-3808.
TYPES OF STEMS FOR THIS MODEL
NO STEM:
- HK1/2 – Single 1/2″ Hole For Your Own 1/2″ Diameter Bolt
THREADED STEMS:
- TS21 – Threaded Stem 1/2″-13 x 1″ Long
- TS22 – Threaded Stem 1/2″-13 x 1-1/2″ Long
- TS23 – Threaded Stem 1/2″-13 x 2″ Long
- TS61 – Threaded Stem 3/8″-16 x 1″ Long
- TS62 – Threaded Stem 3/8″-16 x 1-1/2″ Long
- TS26N – Threaded Stem 1/2″-13 x 2-3/4″ Long
- TS6 – Threaded Stem 5/8″-11 x 3-3/4″ Long
- TS3/4 – Threaded Stem 3/4″-10 x 1-3/4″ Long
- TSC1 – Threaded Stem 1/2″-13 x 4″ Long
- TSC2 – Threaded Stem 5/8″-11 x 4″ Long
- TSC3 – Threaded Stem 3/4″-10 x 6″ Long
GRIP-RING STEMS + SQUARE AND ROUND METAL STEMS:
- RD3/4 – 3/4″ x 2″ Round Metal Stem with 3 Cross Drilled Holes
- GR91 – Grip Ring Stem 7/16″ Diameter x 1-3/8″ Long
- GR95 – Grip Ring Stem .846″ x 2-3/16″ (For 7/8″ Inner Diameter “Metro” Shelving)
- SQ7/8-GR – 7/8″ Plain Square Grip Ring (To Drill Your Own Cross-holes)
- SQ3/4 – 3/4″ Square – 3 Cross Holes
- SQ7/8 – 7/8″ Square – 3 Cross Holes
EXPANDING RUBBER STEMS:
- ER9 – Expanding Rubber for 3/4″ Inner Diameter
- ER27 – Expanding Rubber for 7/8″ Inner Diameter
- ER28 – Expanding Rubber for 1″ Inner Diameter
- ER29 – Expanding Rubber for 1-1/8″ Inner Diameter
- ER17 – Expanding Rubber for 1-1/4″ Inner Diameter
- ER25 – Expanding Rubber for 1-3/8″ Inner Diameter
- ER26 – Expanding Rubber for 1-1/2″ Inner Diameter
- ER21 – Expanding Rubber for 1-13/16″ Inner Diameter
FAQ
What is the Stem Caster Model 3 made of?
The Stem Caster Model 3 is constructed with stamped steel and bright zinc plated for corrosion resistance. It’s also available in Stainless Steel (Model 3) and Economy Stainless Steel (Model K3), both of which are NSF listed and RoHS compliant. The stainless steel version is buffed to a smooth reflective surface, and the economy version skips the dust cap and grease fitting for cost efficiency.
What are the mounting specifications for the Stem Caster Model 3?
This caster uses a stem mounting system, designed for a secure fit with a ⅜” diameter axle and a ½” diameter rivet holding the swivel caster together. Specific stem dimensions depend on your application, so check with Caster City for compatibility with your equipment.
What kind of wheels does the Stem Caster Model 3 use?
It features wheels with tread widths of 1-¼” or 1-½”. Multiple wheel options are available to suit different surfaces and load requirements. Contact Caster City for specific wheel material choices.
How durable is the Stem Caster Model 3?
The caster is built with two ball bearings on hardened raceways to ensure long life. The zinc-plated version includes a metal dust cap to protect the swivel raceways from dirt and dust. The stainless steel version adds two high-temperature white seals (rated -20°F to 450°F) and a grease fitting on the dust cover and axle for added durability.
Is the Stem Caster Model 3 suitable for high-temperature environments?
Yes, the stainless steel version of the Stem Caster Model 3 is designed with high-temperature white seals that can handle temperatures from -20°F to 450°F, making it ideal for demanding environments like food service or industrial settings.
What’s the difference between the Stainless Steel and Economy Stainless Steel versions?
The Stainless Steel Stem Caster Model 3 (S304 stainless steel) includes high-temperature seals, a grease fitting on the dust cover and axle, and a buffed reflective finish. The Economy Stainless Steel Model K3 is also made of S304 stainless steel but omits the dust cap and grease fitting for a more budget-friendly option while maintaining NSF listing and RoHS compliance.
Is the Stem Caster Model 3 NSF listed?
Yes, both the zinc-plated and stainless steel versions (including the Economy Model K3) are NSF listed, making them suitable for food service and other sanitary applications.
Can I use the Stem Caster Model 3 for heavy loads?
The Stem Caster Model 3 is designed for institutional use with robust construction, but load capacity depends on the specific wheel and stem configuration. Check with Caster City for load ratings based on your chosen wheel type and application.
Does the Stem Caster Model 3 come with a brake option?
Yes, multiple brake options are available for the Stem Caster Model 3. Contact Caster City to discuss which brake type best suits your needs.
How does the Stem Caster Model 3 compare to the Plate Caster Model 3?
The Stem Caster Model 3 shares the same construction, wheel options, and durability features as the Plate Caster Model 3 but uses a stem mount instead of a 2-3/8” x 3-5/8” mounting plate. The stem design is ideal for equipment where a plate mount isn’t feasible. Both are available in zinc-plated, stainless steel, and economy stainless steel versions, with the same NSF listing and RoHS compliance.
What applications can I use the Stem Caster Model 3 with?
Material Handling & Stocking
- Moving dollies for warehouse supplies
- Stocking carts for libraries/schools/offices
- Utility carts for general transport
Medical & Laboratory
- Medical equipment carts for hospitals/clinics
- Lab equipment stands for science/animal labs
- Diagnostic equipment carts
- Hospital bedside carts
- Surgical carts for instruments
- Pharmacy carts for medications
Food Service & Kitchen
- Food service carts for meals
- Bakery equipment carts
- Kitchen equipment stands for appliances
- Beverage carts for dining halls
- Mobile prep tables
Office & IT
- Office equipment stands for printers/copiers
- Computer stands for workstations
- Computer room carts for servers
- Mobile filing cabinets
- AV carts for projectors/monitors
General Institutional
- Hospital utility carts for linens/waste
- School carts for books/art supplies
- Pharmaceutical manufacturing carts
- Maintenance carts for tools
- Laundry carts for linens
- Library carts for books/media
Workshop & Industrial
- Worktables for tools/materials
- Tablesaws on mobile bases
- Tool carts for mechanics/technicians
- Assembly line carts for training
- Welding carts for trade schools
Specialized Applications
- Janitorial carts for cleaning supplies
- Classroom carts for teaching aids
- Mailroom carts for sorting mail
- Audio-visual carts for sound equipment
- Examination table carts for clinics
- Mobile storage for archival materials
Corrosion-Resistant (Model K3A)
- Marine carts for coastal facilities
- Wet environment carts for sterilization rooms
- Corrosive environment carts for pharma
- Outdoor utility carts for grounds maintenance
Our #1 goal is to help you find the best caster and wheels for your needs. If you need help finding the right casters, contact our team of professionals. You can also customize many of our casters with a variety of options such as swivel locks, wheel brakes and zerk fittings. We ship our products from assembly plants in Georgia, Pennsylvania, Virginia, Texas, Nevada and Canada. Whether you’re a one-man shop or a global giant, we can provide you with: We specialize in Business to Business, however, consumer orders are gladly accepted and we can provide you with:
- Fastest Lead Time in the Industry
- Caster performance data.
- Comparative data.
- Customized caster solutions.
- Help with caster solutions.
- Case studies by industry or application.
- Manufacturer and Distributor of over $25 million dollars in Finished Component Parts
- Majority of Orders Processed and Shipped in 2 Days or Less
If you have any questions about your measurements, please call 800-501-3808
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