This groove‑mounted sliding door roller embeds fully into door panels for stable performance. Built‑in lock simplifies installation with no repeated adjustments needed. Compact flush build suits narrow cabinets to save storage space. Nylon wheels plus precision bearings ensure smooth, quiet sliding for wardrobes, kitchen, shoe and book cabinets.
Specification:
| Item No :JL-3100 | Product origin :China |
| Order(MOQ):Contact us | Shipping port :Guangzhou |
| Material :Iron+Nylon | Weight :35kg/77.16lbs |
| Lead time :30-45 days | Surface treatment :Zinc Plated |
Product Introduction
This sliding door roller adopts a groove‑mounted design, fully embedded into door panels for secure, long‑lasting stability. The built‑in locking mechanism eases installation without frequent readjustments. Its flush compact profile fits narrow cabinets with panels over 15 mm, maximizing inner storage space. Fitted with nylon wheels and precision bearings, it provides smooth quiet sliding for kitchen cabinets, TV cabinets and bookcases.

Groove mounted embedded design for firm, long stable installation
Built in locking mechanism, easy to install, no repeated readjustments
Fits door panels over 15 mm thickness
Nylon wheels with precision bearings for smooth, quiet sliding
Other attributes
| Place Of Origin:Guangdong, China | Type:Slliding Door Roller |
| Brand Name:JUNAOBAO | Model Number:JL-3100 |
| Surface Color:Zinc Plated | Wheel Color:Black |
| Suitable For:Bedroom, Kitchen, Living Room,etc | Application: Cabinet, Small Storage unit, etc |
| Load Capacity:35kg/77.16lbs | Service:OEM ODM |
| Material:Iron+Nylon | Door thinckness:> 15mm / 0.59inch |
| Packing:1 set/box, 50 boxes/carton | Life Test Times:SGS 50,000 cycles |
Sliding Door Application

This sliding door roller features a grooving-mounted design with a built-in locking mechanism that securely positions the roller in the groove, eliminating the need for repeated adjustments during installation.
Its compact, flush profile maximizes internal storage space, making it ideal for wooden doors and cabinets with panel thickness greater than 15mm — particularly well-suited for narrow and thin cabinet bodies.

Equipped with nylon wheels and precision bearings, it delivers smooth, quiet sliding for wardrobes, kitchen cabinets, shoe cabinets, and bookcases.
The locking design ensures quick, hassle-free installation and reliable long-term stability, maintaining smooth performance even with frequent use.
Installation Drawing

FAQ
· Why should I choose your factory over others?
—Our factory has 35 years of production experience with a mature production and operation system.
—We are equipped with automated production equipment and have an outstanding team composed of experienced staffs.
—We provide one-stop purchasing service covering sliding door roller, suspending door roller, side-hanging door roller, barn door roller, folding door roller, aluminum track, weather strip, bottom stopper and more.
This can greatly cut your purchasing and communication costs, while we guarantee premium products and thoughtful services for you.
· What are the quality advantages of your products?
Our core strengths lie in quiet and smooth sliding performance. We adopt premium raw materials and lean production processes. The products feature great wear, corrosion resistance and pass salt spray tests for long service life. Consistent quality is maintained across all production batches.
· Can I get samples before placing an order?
We support sample requests for testing. Samples can be provided as required and you only need to cover the shipping cost.
· How do you ensure every roller meets the same standard?
We have established a complete and strict quality control system with multi-layer inspections throughout the whole process:
—Incoming raw material inspection
—In-production patrol inspection
—Full inspection of finished goods
All products are traceable to comply with unified factory standards.
· Do you have ISO, CE or SGS certifications?
We have obtained ISO9001 quality management system certification and all our products have passed SGS testing.
· Can you customize products or packaging?
We support both OEM and ODM services.
—Product customization: We accept customized products. You need to send us samples or drawings for our technical department to verify production feasibility.
—Packaging customization: We offer logo printing, gift box design and carton design services.
· What is your lead time?
Goods will be shipped within 45 days after receiving your payment. We arrange production strictly as scheduled with scientific inventory and production schedule management. We can also quickly coordinate production for urgent orders.
· What after-sale do you offer?
We have a comprehensive after-sales system. We will respond promptly and provide proper solutions once any issues arise. Meanwhile, we offer long-term professional technical consultation for all cooperative clients.
· Which countries do you export to?
We have years of practical export experience and serve buyers worldwide. Our products sell well in American countries including the US, Mexico and Brazil; European countries such as Spain, Italy, Germany and Portugal; Asian countries including Japan, Singapore, Malaysia and India.
· Is your factory suitable for long-term stable cooperation?
We operate with integrity and aim to build long-term win-win partnerships with clients. We strictly honor all commitments, maintain efficient daily communication, continuously upgrade product quality and supporting services to be your reliable long-term supplier.
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