Nu311EM Cylindrical Roller Bearing – High-Precision, Low-Noise, Heavy-Duty
Basic Info.
| Bore Size | 15–90 mm |
| Outer Dimension | 35–180 mm |
| Specification | 55×120×29 mm |
| Material | Bearing Steel |
| Type | Cylindrical Roller Bearing 307 |
| Lubrication | Grease or Oil |
High-precision cylindrical roller bearing (Model: NF311EM), made of premium bearing steel, suitable for radial load applications. Features non-aligning design, OEM/ODM service, and vibration grades Z1V1–Z3V3. Complies with HS Code 8482500090.
Basic Info.
Related Products
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 | 15mm |
| Outer Diameter | 35mm |
| Width | 11mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
NU202EM Cylindrical Roller Bearing, single row, non-aligning design, made of high-quality bearing steel. Suitable for radial loads, available with OEM/ODM service. Origin: China.
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 | 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 | 20mm |
| Outer Diameter | 47mm |
| Width | 14mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
This Cylindrical Roller Bearing (Model N204EM) features a single row design with high precision ratings (P0-P2), made from durable bearing steel. Ideal for radial load applications, it offers reliable performance in industrial environments.
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 | 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 | 55 mm |
| Outer Diameter | 100 mm |
| Width | 21 mm |
| Model NO. | NJ211EM |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical roller bearing with high precision and durability. Suitable for radial load applications, featuring separated design and OEM/ODM service support. Made in Japan.
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 | 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 | 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 | 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.