Product Introduction
Our 3-inch office chair casters are heavy-duty snap-in wheels designed for commercial seating and fixtures, featuring a reinforced recycled nylon body and steel friction ring stem for smooth 360° mobility and BIFMA-grade durability.
Technical Specifications
Caster
This streamlined vertical table outlines the exact mechanical configurations for our primary 3-inch (75mm) series:
|
Parameter |
Riveted Unhooded Style (Bare Wheel) |
|
Part No. |
RUTW75 |
|
Wheel Diameter |
73 mm - 75 mm (3") |
|
Overall Width |
60.0 mm |
|
Mounting Height |
74.0 mm |
|
Dynamic Load Capacity |
132 lbs / 60 kgs (Per Unit) |
Note:While our 3-inch model balances optimal floor clearance and heavy load stability, our factory also runs a specialized riveted manufacturing line supplying 60mm, 100mm, and 125mm sizes supporting up to 220 lbs (100 kgs) per unit.
Friction Ring Stem
|
Parameter |
Specification |
|
Standard Stem Dimensions |
Stem Diameter: 11 mm Available Lengths: 22 mm, 25 mm, 35 mm |
|
Stem Hardware Material |
Heavy-Gauge Solid Carbon Steel |
|
Surface Coating |
Premium Trivalent Chromium Zinc (Cr3+) |
|
Primary Performance |
Industrial Anti-Corrosion & Salt-Spray Rust Prevention |
Stem Customization Services
Bespoke Pin Lengths: Custom insertion depths and grip ring placements can be custom-tooled according to your proprietary engineering drawings.
Specialty Diameters: Alternative stem diameters (such as European 10mm pins or non-standard industrial sizes) are fully supported.
Product Features
Reinforced Riveted Axle: Features a heavy-duty steel center axle permanently riveted in place, preventing wheel flexing or splitting under high lateral stress.
Smooth 360° Omnidirectional Swivel: Engineered with a precision dual-bearing swivel race that guarantees prompt, low-effort direction changes under maximum loads.
Industrial Fatigue Resistance: Built to endure over 50,000 rolling cycles without tracking degradation, ensuring a reliable, long-lasting operational lifespan.
Quality & Compliance
ANSI/BIFMA X5.1-2017 Certified: Extensively tested to exceed rigorous global multi-shift seating and commercial asset structural standards.
In-House Manufacturing Excellence: Produced via our fully automated and semi-automatic metal stamping presses and specialized plastic injection facilities, ensuring zero-defect batch consistency.
Price
How to select casters?
Packaging & Logistics
Minimum Order Quantity (MOQ): 1,000 pieces per standard box (Standard manufacturing run: 5,000 pieces).
Logistics Packaging: Bulk export cartons containing exactly 100 pieces per carton, systematically stacked to secure hardware against zero-dent ocean and air transit.
Trade Terms: FOB Taiwan,China.
Payment Method: T/T.
FAQ
Q: What applications are 3-inch office chair casters suitable for?
A: They are ideal for office chairs, executive seating, medical equipment, workstations, laboratory furniture, and other heavy-duty mobile applications.
Q: What is the load capacity of each caster?
A: Each 3-inch caster supports a dynamic load capacity of up to 60 kg (132 lbs).
Q: What stem size is available?
A: The standard friction ring stem has an 11 mm diameter with 22 mm, 25 mm, and 35 mm length options. Custom stem sizes are also available.
Q: Can these casters rotate 360 degrees?
A: Yes. The precision swivel mechanism provides smooth 360° rotation for excellent maneuverability.
Q: Can these casters protect floor surfaces?
A: Yes. Standard nylon wheels offer smooth rolling, while optional polyurethane (PU) wheels provide quieter operation and enhanced floor protection.
Q: Can customized specifications be provided?
A: Yes. We offer OEM and ODM services, including customized stem dimensions, wheel materials, colors, logos, and packaging.
Q: What quality standards do these casters meet?
A: They are manufactured to meet ANSI/BIFMA performance requirements and comply with RoHS and REACH environmental standards.
Q: What is the minimum order quantity?
A: The standard MOQ is 1,000 pieces per box, with a standard production run of 5,000 pieces.
Q: How do I choose the correct office chair caster?
A: Please provide the stem specification, wheel size, load requirement, and application, and we will recommend the most suitable model.
Q: What support do you provide for OEM and wholesale customers?
A: We provide sample evaluation, technical consultation, custom product development, production scheduling, and export support for long-term OEM and wholesale customers.
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