Koyo NF321em/NF322em/NF324em Cylindrical Roller Bearings – High-Precision, Heavy-Duty
Basic Specifications
| Inner Diameter | 105 mm |
| Outer Diameter | 225 mm |
| Width | 49 mm |
| Model | NF321EM |
| Material | Bearing Steel |
| Type | Cylindrical Roller Bearing |
Product Overview
This high-precision cylindrical roller bearing (NF321EM) is made of premium bearing steel, designed for radial load applications. It features single-row, open-type construction with standard P0–P2 precision ratings. Dimensions: 105×225×49 mm. Ideal for OEM/ODM use, manufactured in Japan under KOYO quality standards.
Basic Info.
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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
| 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 | 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.
Product Parameters
| Bore Diameter (d) | 70mm |
| Outer Diameter (D) | 180mm |
| Width (B) | 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, ideal for industrial machinery applications.
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 Dac34640037 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 | 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.
Specifications
| Bore Diameter | 17mm |
| Outer Diameter | 40mm |
| Width | 16mm |
| Model | Nu2238m |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Precision cylindrical roller bearing with high load capacity, suitable for radial applications. Made of durable bearing steel, this single-row open-type bearing offers reliable performance in various industrial environments.
Specifications
| Bore Diameter | 70mm |
| Outer Diameter | 180mm |
| Width | 42mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Oil, Grease, Dry |
Description
Cylindrical Roller Bearing Dac40800036/34 Dac4080m features high precision and durability. Suitable for radial loads, it offers reliable performance in industrial applications with OEM/ODM service available.
Specifications
| Inner Diameter | 70mm |
| Outer Diameter | 180mm |
| Thickness | 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, ideal for industrial applications requiring reliable performance.
Product Parameters
| Bore Diameter | 17mm |
| Outer Diameter | 40mm |
| Width | 16mm |
| Model NO. | Nu2234em |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical roller bearing with high precision and durability. Suitable for radial loads, featuring separated design for easy maintenance. Made of bearing steel, available in various precision ratings.