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
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Related Products
Specifications
| Bore Diameter | 17mm |
| Outer Diameter | 47mm |
| Width | 14mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical roller bearing N303EM features high precision and durability. Made of bearing steel with a single row cylindrical structure, it supports radial loads and is ideal for industrial applications requiring reliability and performance.
Specifications
| Bore Diameter | 85mm |
| Outer Diameter | 150mm |
| Width | 28mm |
| Model | N217EM |
| Material | Bearing Steel |
| Seals Type | Open |
Description
KOYO N217EM Cylindrical Roller Bearing, made of high-quality bearing steel, features a robust design with dimensions 85x150x28mm. Ideal for radial load applications, it offers reliable performance and precision (P0-P2). Suitable for industrial machinery requiring durability and efficiency.
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.
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 | 100mm |
| Outer Diameter | 180mm |
| Width | 34mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical roller bearing NF220EM with 100x180x34mm dimensions, made of high-quality bearing steel. Features open seal design, radial load capacity, and is suitable for high-precision applications. Offers reliable performance in industrial machinery under OEM/ODM service support.
Specifications
| Bore Diameter | 25mm |
| Outer Diameter | 52mm |
| Width | 15mm |
| Model No. | N205EM |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical Roller Bearing N205EM, made of high-quality bearing steel, features a single row design with open seal type. Suitable for radial loads, it offers precision ratings up to P2 and is ideal for industrial applications requiring reliability and durability.
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 NUP224EM features high precision and durability. Made of bearing steel, it supports radial loads with single-row structure. Suitable for various industrial applications requiring reliable performance.
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 | 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 NJ220EM, single row, non-aligning, separated design. Suitable for high radial loads with precision options from P0 to P2. Made of bearing steel, lubricated with oil, grease, or dry. Ideal for industrial applications requiring reliability and performance.
Specifications
| Bore Diameter | 70 mm |
| Outer Diameter | 125 mm |
| Width | 24 mm |
| Model | NU214EM |
| Material | Bearing Steel |
| Seals Type | Open |
Description
KOYO NU214EM cylindrical roller bearing, made of high-quality bearing steel, features a single row, non-aligning design with open seal. Suitable for radial loads, it offers precision ratings P0-P6 and is ideal for industrial applications requiring reliability and durability.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 215mm |
| Width | 40mm |
| Model | N224em |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical Roller Bearing N224em made of high-quality bearing steel, features radial load capacity and open seal design. Suitable for various industrial applications with precision ratings from P0 to P2.

















