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.
Related Products
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 | 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
| 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 with high precision and durability. Suitable for radial loads, featuring separated design and available in various precision ratings. Ideal for industrial applications requiring reliable performance.
Product Parameters
| Bore Diameter | 70mm |
| Outer Diameter | 180mm |
| Width | 42mm |
| Model NO. | Dac35680037 |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical Roller Bearing with high precision (P0-P2), suitable for radial loads. Made of bearing steel, single row design, lubricated with oil, grease, or dry. Ideal for industrial applications requiring durability and performance.
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 with high precision and durability. Suitable for radial loads, featuring separated design for easy maintenance. Ideal for industrial applications requiring reliable performance.
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 | 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.
Product Parameters
| Bore Diameter | 70mm |
| Outer Diameter | 180mm |
| Width | 42mm |
| Model NO. | Dac35720433 |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical Roller Bearing with high precision P0-P6 rating, suitable for radial loads. Made of bearing steel, it features a single row structure and is widely used in industrial machinery. OEM/ODM service available.
Specifications
| Bore Diameter | 35mm-400mm |
| Outer Diameter | 70mm |
| Width | 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, featuring separated design and available in multiple precision grades. Ideal for industrial applications requiring reliable performance.
Specifications
| Bore Diameter | 75mm |
| Outer Diameter | 130mm |
| Width | 31mm |
| Model | Nj2215m |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical Roller Bearing with high precision (P0-P2), radial load capacity, and separated design for easy maintenance. Suitable for industrial applications requiring reliability and performance.
Product Parameters
| Bore Diameter | 17mm |
| Outer Diameter | 40mm |
| Width | 16mm |
| Model NO. | Nup2236m |
| Material | Bearing Steel |
| Seals Type | Open |
Description
High-precision cylindrical roller bearing with radial load capacity, suitable for industrial machinery. Made of high-quality bearing steel, ensuring durability and performance.