NTN N321EM Cylindrical Roller Bearing – High-Load, Precision Japan Made
Basic Specifications
| Bore Size | 15–90 mm |
| Outer Dimension | 35–180 mm |
| Specification | 105×225×49 mm |
| Material | Bearing Steel |
| Type | Cylindrical Roller Bearing |
| Origin | Japan |
Product Overview
High-precision cylindrical roller bearing (Model: N321em) made of premium bearing steel, designed for radial load applications. Features non-aligning structure, grease/oil lubrication, and precision grades P0–P2. Suitable for OEM/ODM use with robust packaging (carton & pallet) and HS Code 8482500090.
Basic Info.
Related Products
Specifications
| Bore Diameter | 70mm |
| Outer Diameter | 125mm |
| Width | 24mm |
| Model No. | NJ214EM |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical roller bearing NJ214EM made of high-quality bearing steel, ideal for radial load applications. Precision engineered with P0-P6 rating, single row design, and open seal type for versatile industrial use. Manufactured by NSK, Japan.
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 | 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 | 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 | 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 | 45mm |
| Outer Diameter | 100mm |
| Width | 25mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
The N309EM Cylindrical Roller Bearing features high precision and durability, made from premium bearing steel. Ideal for radial load applications with an open seal design, suitable for oil, grease, or dry lubrication.
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
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 | 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 | 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 | 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 | 85 mm |
| Outer Diameter | 150 mm |
| Width | 28 mm |
| Model NO. | NJ217EM |
| Material | Bearing Steel |
| Seals Type | Open |
Description
Cylindrical Roller Bearing NJ217EM made of high-quality bearing steel, features precise dimensions (85x150x28mm), open structure, suitable for radial loads with P0-P2 precision ratings. Ideal for industrial applications requiring reliability and performance.