Koyo NU303EM/NU304EM/NU305EM Cylindrical Roller Bearings – High-Precision, Heavy-Duty
Basic Info.
| Inner Diameter | 17 mm |
| Outer Diameter | 47 mm |
| Width | 14 mm |
| Model | NU303EM |
| Material | Bearing Steel |
| Type | Cylindrical Roller Bearing |
Introduction
High-precision cylindrical roller bearing (NU303EM) made of premium bearing steel, designed for radial load applications. Features single-row, open-type structure with dimensions 17×47×14 mm. Suitable for OEM/ODM use. Precision grades available: P0, P6, P5, P4, P2. Lubrication options: oil, grease, or dry. Made in Japan under KOYO quality standards.
Basic Info.
Related Products
Specifications
| Model | Nj424 |
| Inner/Outer Diameter x Width | 120*310*72mm |
| Material | Bearing Steel |
| Type | Cylindrical Roller Bearing |
| Precision Rating | P0, P6, P5, P4, P2 |
| Seals Type | Open |
Description
This high-precision cylindrical roller bearing features a single-row design with an open seal type, ideal for radial load applications. Made from durable bearing steel, it ensures reliable performance in various industrial environments.
Specifications
| Bore Diameter | 55mm |
| Outer Diameter | 120mm |
| Width | 29mm |
| Model NO. | Nu311 |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical Roller Bearing Nu311 made of high-quality bearing steel, featuring high precision and durability. Suitable for radial loads with separable design for easy maintenance.
Specifications
| Bore Diameter | 35mm-400mm |
| Outer Diameter | 200mm |
| Width | 58mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical Roller Bearing Nu240m, made of high-quality bearing steel, features radial load capacity and non-aligning design. Ideal for industrial applications requiring high precision and durability. OEM/ODM service available.
Specifications
| Bore Diameter | 70mm |
| Outer Diameter | 180mm |
| Width | 42mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical Roller Bearing with high precision and durability. Suitable for radial loads, featuring separated design for easy maintenance. Ideal for industrial applications requiring reliable performance.
Specifications
| Bore Diameter | 70mm |
| Outer Diameter | 180mm |
| Width | 42mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical Roller Bearing Dac34640037 features high precision and durability. Designed for radial loads, it offers reliable performance in industrial applications with options for OEM/ODM service.
Product Parameters
| Bore Diameter | 70mm |
| Outer Diameter | 180mm |
| Width | 42mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Seals Type | Open |
Description
Cylindrical Roller Bearing CT1310 with high precision and durability. Suitable for radial loads, ideal for industrial applications requiring reliable performance.
Specifications
| Bore Diameter | 35mm |
| Outer Diameter | 80mm |
| Width | 31mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Seals Type | Open |
Description
Cylindrical roller bearing with high precision and durability. Suitable for radial load applications. Made of premium bearing steel, ensuring long service life. Ideal for industrial machinery requiring reliable performance.
Product Parameters
| Bore Diameter | 70mm |
| Outer Diameter | 180mm |
| Width | 42mm |
| Model NO. | Dac35660033 |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Premium Cylindrical Roller Bearing with high precision (P0-P2), ideal for radial load applications. Durable bearing steel construction ensures long service life. Suitable for OEM/ODM use in industrial machinery.
Specifications
| Bore Diameter | 45mm |
| Outer Diameter | 100mm |
| Width | 25mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical Roller Bearing with high precision and durability. Suitable for radial loads, featuring separated design and available in various precision grades. Ideal for industrial applications requiring reliable performance.
Specifications
| Bore Diameter | 70mm |
| Outer Diameter | 180mm |
| Width | 42mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Seals Type | Open |
Description
Cylindrical Roller Bearing with high precision and durability. Suitable for radial loads, featuring separated design and available in multiple precision classes. Ideal for industrial applications requiring reliability and performance.
Specifications
| Bore Diameter | 17mm |
| Outer Diameter | 40mm |
| Width | 16mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical Roller Bearing Nu1010m, single row, non-aligning radial bearing with high precision options. Suitable for various industrial applications requiring reliable performance and durability.
Specifications
| Bore Diameter | 70mm |
| Outer Diameter | 180mm |
| Width | 42mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Seals Type | Open |
Description
Cylindrical Roller Bearing with high precision and durability. Suitable for radial loads, featuring separated design for easy maintenance. Ideal for industrial applications requiring reliability.