Koyo NU303EM-NU305EM Cylindrical Roller Bearings High Load Capacity
Specifications
| Bore Diameter | 17mm |
| Outer Diameter | 47mm |
| Width | 14mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
KOYO NU303EM cylindrical roller bearing, single row, non-aligning radial design. Made of high-quality bearing steel, suitable for various industrial applications with OEM/ODM service available. Origin: Japan.
Basic Info.
- Needle Bearing
- Cylindrical Roller Bearing
- Auto Bearing
- Thrust Needle Roller Bearing
- Linear Bearing
- Angular Contact Ball Bearing
- Alloy Guide Rail
- Deep Groove Ball Bearing
- Plain Bearing
- Spherical Roller Bearing
- Auto Air Conditioning Compressor
- Taper Roller Bearing
- Spherical Plain Bearing
- Thrust Ball Bearing
- Self-Aligning Ball Bearing
- Thrust Self-aligning Roller Bearing
- Pillow Block Bearing
Related Products
Specifications
| Bore Diameter | 60mm |
| Outer Diameter | 130mm |
| Width | 31mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
KOYO N312EM Cylindrical Roller Bearing features high precision and durability. Made of bearing steel with an open structure, it supports radial loads and is ideal for industrial applications requiring reliability and performance.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 215mm |
| Width | 40mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
NU224EM Cylindrical Roller Bearing, single row design with high load capacity. Made from premium bearing steel, ideal for industrial applications requiring durability and precision. Suitable for radial loads and available in various precision grades.
Specifications
| Bore Diameter | 40 mm |
| Outer Diameter | 80 mm |
| Width | 18 mm |
| Model NO. | NU208EM |
| Material | Bearing Steel |
| Seals Type | Open |
Description
High-precision cylindrical roller bearing with single row structure, ideal for radial load applications. Made of high-quality bearing steel, it ensures durability and performance under demanding conditions. Suitable for OEM/ODM use.
Specifications
| Bore Diameter | 100mm |
| Outer Diameter | 180mm |
| Width | 34mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical roller bearing NUP220EM features high precision and durability. Designed for radial loads, it offers reliable performance in industrial applications with options for OEM/ODM service.
Specifications
| Bore Diameter | 85mm |
| Outer Diameter | 150mm |
| Width | 28mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
This cylindrical roller bearing features high precision and durability. Designed for radial loads, it offers reliable performance in industrial applications with OEM/ODM service available.
Specifications
| Bore Diameter | 180mm |
| Outer Diameter | 320mm |
| Width | 52mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
The N236EM Cylindrical Roller Bearing, made of high-quality bearing steel, offers reliable performance with dimensional specifications of 180x320x52mm. Ideal for radial load applications, it features an open seal design and is available in multiple precision grades.
Specifications
| Bore Diameter | 45mm |
| Outer Diameter | 100mm |
| Width | 25mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
The N309EM Cylindrical Roller Bearing features high precision and durability, made from premium bearing steel. Ideal for radial load applications with an open seal design, suitable for oil, grease, or dry lubrication.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 215mm |
| Width | 40mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical Roller Bearing N230EM, made of high-quality bearing steel, features a single-row, non-aligning design ideal for radial loads. Open type for versatile lubrication options including oil, grease, or dry. Suitable for OEM/ODM applications with reliable performance and precision ratings up to P2.
Specifications
| Bore Diameter | 85 mm |
| Outer Diameter | 150 mm |
| Width | 28 mm |
| Model NO. | NJ217EM |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical Roller Bearing NJ217EM made of high-quality bearing steel, features precise dimensions (85x150x28mm), open structure, suitable for radial loads with P0-P2 precision ratings. Ideal for industrial applications requiring reliability and performance.
Specifications
| Bore Diameter | 85 mm |
| Outer Diameter | 150 mm |
| Width | 28 mm |
| Model NO. | NUP217EM |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical Roller Bearing NUP217EM made of high-quality bearing steel, suitable for radial loads. Features open structure, precision ratings P0-P6, and is ideal for industrial applications requiring durability and performance.
Specifications
| Bore Diameter | 200mm |
| Outer Diameter | 400mm |
| Width | 65mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical Roller Bearing N244EM, single row design with high precision options. Made from durable bearing steel, suitable for radial loads. Open type for flexible lubrication with oil, grease, or dry options. Ideal for industrial applications requiring reliability and performance.
Specifications
| Bore Diameter | 180mm |
| Outer Diameter | 320mm |
| Width | 52mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
NJ236EM Cylindrical Roller Bearing, single row, non-aligning, made of high-quality bearing steel. Suitable for radial loads, available in open type with oil, grease, or dry lubrication. Ideal for industrial applications requiring high precision and durability.

















