YNF17550 R210-7 sprocket delivers strong, stable power transmission with 21 teeth and 30-hole structure for excavator undercarriages.
Designed for Hyundai R210-7 excavator undercarriage
21-tooth / 30-hole heavy-duty drive sprocket
Heat-treated alloy steel for exceptional durability
Ensures smooth power transfer to track chains
Ideal for repair shops, fleets, and parts distributors
The YNF17550 sprocket, designed for the Hyundai R210-7 excavator, provides reliable power transmission to the track system. Its 21-tooth and 30-hole configuration ensures precise engagement with the track chain, reducing vibration and improving drive efficiency during excavation operations.
Manufactured from heat-treated, high-strength alloy steel, this sprocket offers superior resistance to wear, impact, and abrasion. The precision-machined bolt circle ensures stable mounting and long-term alignment with the final drive.
As an OEM-equivalent undercarriage component, the YNF17550 sprocket is widely used by excavator maintenance teams, rental fleets, and global aftermarket distributors that require durable, cost-effective replacement parts to keep machines running efficiently under heavy workloads.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF17550 |
| Applicable Model | Hyundai R210-7 |
| Product Type | Undercarriage Drive Sprocket |
| Teeth Count | 21 Teeth |
| Bolt Holes | 30 Holes |
| Material | Heat-treated alloy steel |
| Function | Transfers drive power to track chain |
| Resistance | Wear, impact, abrasion |
| Installation | Direct OEM replacement |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Excavator Undercarriage System | Drives track chain with stable power transfer |
| Construction Machinery | Suitable for heavy excavation and long-hour use |
| Undercarriage Maintenance | Replaces worn or damaged sprockets |
| Parts Distribution | Ideal for aftermarket undercarriage suppliers |
Related Products:
R210-7 Track Chain
R210-7 Carrier Roller
Excavator Idler
Undercarriage Repair Kits
FAQs：
Q: How many teeth does this sprocket have?
A: 21 teeth.
Q: How many bolt holes?
A: 30 bolt holes.
Q: Is it an OEM-equivalent replacement?
A: Yes, it matches Hyundai R210-7 specifications.
The YNF17550 Hyundai R210-7 sprocket offers strong, stable power transfer with a heat-treated alloy steel structure, ensuring long working life under demanding conditions. With precise machining and OEM-level fitment, it provides reliable undercarriage performance for contractors, fleet operators, and parts distributors. Contact YNF Machinery today for competitive pricing and fast supply.
