Product Introduction
2-inch office chair casters are heavy-duty 360° swivel wheels designed for executive and task seating, featuring a reinforced nylon body and steel friction ring stem for smooth rolling, easy installation, and BIFMA-grade durability.
Technical Specifications
Core 2-Inch (50mm) Caster Specifications
This vertical layout details the precise mechanical configurations for our primary 2-inch office chair series.
|
Parameter |
Hooded Style (With Cover) |
Unhooded Style (Bare Wheel) |
Cylinder with Collar (Heavy Seating) |
|
Part No. |
TW50 |
UTW50 |
CTW38/50 (or CTW42/50, CTW45/50) |
|
Wheel Diameter |
50 mm (2") |
50 mm (2") |
50 mm (2") |
|
Overall Width |
48.5 mm |
44.0 mm |
54.0 mm – 59.1 mm |
|
Mounting Height |
54.5 mm |
51.0 mm |
56.0 mm – 59.5 mm |
|
Dynamic Load Capacity |
66 lbs / 30 kgs |
66 lbs / 30 kgs |
66 lbs / 30 kgs |
Note: While this page focuses on our high-demand 2-inch (50mm) spec, we manufacture a comprehensive size range including 30mm, 35mm, 40mm, 45mm, and 60mm wheel diameters to accommodate various equipment scaling.
Friction Ring Stem
Product Features
Universal Snap-In Installation
The friction ring mechanism compresses upon insertion and expands inside the socket, providing a secure, tool-free installation that takes seconds.
Premium Cylinder with Collar
The specialized collar (CTW series) wraps perfectly around the bottom of the chair leg profile, hiding the stem cavity for a high-end, clean architectural aesthetic.
BIFMA-Grade Smooth Mobility
Dual-wheel dynamics evenly distribute user weight, ensuring silent 360° rotation and protecting delicate hardwood, laminate, or carpeted office floors.
Customization Services (OEM / ODM)
Stem Engineering: Non-standard friction ring diameters (such as 10mm or specialized European sizes) and customized pin lengths can be stamped to client engineering drawings.
Soft Tread Upgrades: Polyurethane (PU) soft-tread overmolding is available upon request to prevent tracking marks on high-gloss corporate tile floors.
Quality & Compliance
ANSI/BIFMA X5.1-2017 Certified: Engineered and proven to pass international heavy dynamic drop tests and continuous swiveling durability standards.
Industrial Validation: Materials are fully RoHS and REACH compliant, using certified non-toxic recycled nylon. Every batch undergoes a 50,000+ rotation fatigue cycle test.
Packaging & Logistics
Minimum Order Quantity (MOQ): 1,000 pieces per standard carton box (Standard manufacturing batch: 5,000 pieces).
Industrial Bulk Packing: 100 pieces securely packed per bulk export carton for optimal shipping safety.
Production Lead Time: Fast-tracked 7 to 14 working days if internal hardware is in stock; 30 working days for standard volume customized mass production.
Trade Terms: FOB Taiwan,China.
Payment Method: T/T.
Packaging: Standard durable export packing; customized branded packaging available for contract orders.
Application
FAQ
Q: Are these 2 inch office chair casters compatible with most office chairs?
A: Yes. The standard 11mm friction ring stem fits most office chairs. Please verify your stem size before ordering.
Q: What floor types are these casters suitable for?
A: They roll smoothly on carpet, tile, laminate, vinyl, and hardwood floors. PU wheels are recommended for delicate flooring.
Q: What is the advantage of the cylinder with collar design?
A: The collar provides a cleaner appearance by covering the stem opening while improving stability around the mounting point.
Q: Can the stem size be customized?
A: Yes. We offer OEM customization for stem diameter, length, and friction ring specifications.
Q: Are PU wheels available?
A: Yes. Optional PU treads provide quieter rolling, better shock absorption, and enhanced floor protection.
Q: How much weight can each caster support?
A: The standard 2-inch caster supports up to 30 kg (66 lbs) dynamic load per wheel.
Q: Do these casters require tools for installation?
A: No. The friction ring stem allows quick push-in installation without special tools.
Q: Are these casters tested for durability?
A: Yes. Every batch is tested for rolling performance, swivel function, and durability to ensure reliable long-term use.
Q: Can you provide OEM and private label services?
A: Yes. We support custom colors, logos, wheel materials, packaging, and other OEM/ODM requirements.
Q: Are samples available before bulk production?
A: Yes. Sample orders are available to help customers evaluate fit, quality, and performance before mass production.
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