| Bore Size | 3.175–14.288 mm |
| Specification | 4×7×7 mm |
| Type | Closed |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Seals Type | Open |
High-precision needle roller bearing (Model: K4X7X7TN), radial load design, full complement structure, suitable for engineering machinery. Made of bearing steel, ISO9001 certified, available with OEM/ODM service. Delivery in 3–7 days.