NSK NU309EM/NU310EM/NU311EM High Load Cylindrical Roller Bearings
Specifications
| Bore Diameter | 55 mm |
| Outer Diameter | 120 mm |
| Width | 29 mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
High-performance cylindrical roller bearing with single row design, made of high-quality bearing steel. Ideal for radial load applications, offering durability and precision in industrial machinery.
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 | 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 | 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 |
| Model No. | N220EM |
| 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. Suitable for industrial machinery requiring reliable operation under demanding conditions.
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.
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 | 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 | 15mm |
| Outer Diameter | 35mm |
| Width | 11mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical Roller Bearing NJ202EM, made of high-quality bearing steel, features a single row and non-aligning design. Ideal for radial loads, it offers high precision and durability. Suitable for OEM/ODM applications with efficient packaging for transport.
Specifications
| Bore Diameter | 30mm |
| Outer Diameter | 72mm |
| Width | 19mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical Roller Bearing N306EM, single row, non-aligning design, suitable for radial loads. Made of high-quality bearing steel with OEM/ODM service available. Open type for versatile lubrication options including oil, grease, or dry.
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 | 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 | 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 | 15 mm |
| Outer Diameter | 35 mm |
| Width | 11 mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
NUP202EM Cylindrical Roller Bearing, high precision and durability, suitable for radial loads. Made of bearing steel with open seal design, offering reliable performance in various industrial applications. OEM/ODM service available.

















