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| Brand Name: | OEM |
| Model Number: | E41 |
| MOQ: | 1000 |
| Price: | $0.05-$2 |
| Payment Terms: | T/T |
| Supply Ability: | 30000pcs per month |
| Attribute | Value |
|---|---|
| Material | Nylon wheel + Iron bracket |
| Wheel diameter | 30mm |
| Load capacity100 | 100kg |
| Color | Customizable |
| Type | Sliding Door and Window Accessories |
Core Product: A 608zz bearing.
608: The size designation. It has an 8mm inner diameter, 22mm outer diameter, and 7mm width. This is the most common skateboard bearing size and is ubiquitous in many applications.
zz: Indicates it has metal shields on both sides to keep dust out and grease in.
Construction:
High Carbon Steel: The material for the bearing rings and balls. It's durable, hard, and cheap to manufacture, making it perfect for high-volume, low-cost applications. It is, however, susceptible to rust if not properly sealed or in humid environments.
Nylon Material Wheel: The outer wheel or housing that rolls on the window track is made of nylon. Nylon is chosen because it is quiet, smooth, resists corrosion, and won't scratch aluminum tracks.
Application:
Replacement Iron/Steel Housing Sliding Roller: It is designed to replace the worn-out rollers in the sliding mechanisms of aluminum windows and doors.
Window Hardware: A crucial part of the window and door hardware system.
Key Market Selling Points (as implied):
Hot-selling & High Demand: Sliding windows and doors are everywhere, and their rollers are a common failure point. The replacement market is massive.
Direct Replacement: It fits a standardized housing, making installation easy for DIYers and repair technicians.
Cheap Price: This is the primary driver. For a homeowner or contractor, replacing a $2-$5 roller is infinitely cheaper than replacing the entire window or door unit. High carbon steel and mass production enable this low cost.
Functionality: Restores smooth, quiet operation to sticking or noisy windows/doors.
This is a mass-produced, cost-effective replacement roller bearing for standard aluminum sliding window and door systems.
Quality Variance: While "High Carbon Steel" is standard, the quality of heat treatment and precision can vary greatly among cheap suppliers, affecting smoothness and lifespan.
Rust Risk: In coastal or high-humidity areas, Stainless Steel 608zz bearings are a superior (but more expensive) option as they will not rust.
Exact Fit: The buyer must ensure the housing dimensions (not just the 608 bearing) match their existing hardware. The "Iron/Steel Housing" description is key—it refers to the metal cage that holds the bearing and attaches to the window sash.
Amazon, eBay, AliExpress, Temu: Listed by countless hardware sellers.
Hardware Stores: In the window repair or general hardware section.
Specialized Window & Door Parts Suppliers: Both online and local.
In summary: This product succeeds because it solves a common household problem (stuck windows) with a standardized, affordable, and easy-to-install solution. The combination of a durable (enough) steel bearing and a quiet nylon wheel makes it a practical choice for most basic repair needs.
Ready to Order or Need Samples?
Contact us today for the latest price list, sample availability, and to discuss your specific requirements for the African region.
We operate our own factory and handle all trade activities directly.
5-10 days for in-stock items, 25-35 days for larger quantities requiring production.
Yes, though customers must pay freight costs which can be refunded against future orders.
Yes, we can customize products according to your specifications or drawings.
