SKF N309em-N311em Cylindrical Roller Bearings – High Precision & Durability
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.
Basic Info.
- Needle Bearing
- Cylindrical Roller Bearing
- Auto Bearing
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- Linear Bearing
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- Alloy Guide Rail
- Deep Groove Ball Bearing
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- Spherical Roller Bearing
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- Taper Roller Bearing
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- Thrust Ball Bearing
- Self-Aligning Ball Bearing
- Thrust Self-aligning Roller Bearing
- Pillow Block Bearing
Related Products
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 | 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 | 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.
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 | 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 | 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 | 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 | 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 | 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 |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Cylindrical roller bearing NJ220EM, single row, non-aligning, separated design. Suitable for high radial loads with precision options from P0 to P2. Made of bearing steel, lubricated with oil, grease, or dry. Ideal for industrial applications requiring reliability and performance.

















