NN3020MBKRE44CC1P4 & NN3018MBKRE44CC1P4 High-Precision Cylindrical Roller Bearings
Basic Info.
| Inner Diameter | 20 mm |
| Outer Diameter | 42 mm |
| Width | 15 mm |
| Model No. | NN3020MBKRE44CC1P4 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Introduction
High-precision cylindrical roller bearing with C2–C4 clearance options, P2–P6 accuracy grades, and Zv2–Zv4 low-vibration performance. Features brass/steel/nylon cage, high-speed grease, and single-box packaging. Made in China.
Basic Info.
- Spherical Roller Bearing
- Taper Roller Bearing
- Alloy Guide Rail
- Thrust Needle Roller Bearing
- Thrust Self-aligning Roller Bearing
- Cylindrical Roller Bearing
- Bearing Block
- Pillow Block Bearing
- Self-Aligning Ball Bearing
- Deep Groove Ball Bearing
- Angular Contact Ball Bearing
- Linear Bearing
- Auto Bearing
- Needle Bearing
- Thrust Ball Bearing
Related Products
Specifications
| Bore Diameter | 45mm |
| Outer Diameter | 68mm |
| Width | 12mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Trademark | NTN |
Description
Precision radial bearing with 45mm bore, 68mm outer diameter, and 12mm width. Made from high-quality bearing steel, it ensures durability and performance. Ideal for industrial applications requiring reliable radial load support. Manufactured by NTN, a trusted name in bearing technology.
Specifications
| Bore Diameter | 45mm |
| Outer Diameter | 68mm |
| Width | 12mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Origin | Germany, Sweden, Japan |
Description
Premium radial bearing with model number 1604, made from high-quality bearing steel. Designed for reliable performance, it features precise dimensions of 45x68x12mm and is unseparated for easy installation. Ideal for industrial applications requiring durability and smooth operation.
Specifications
| Bore Diameter | 6303/6201 |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
Description
High-quality roller bearing from top brands (SKF/NTN/NSK/Koyo/NACHI/Timken), made of bearing steel for durability and performance. Suitable for various industrial applications with reliable precision and low noise operation.
Specifications
| Bore Diameter | 8 mm |
| Outer Diameter | 22 mm |
| Width | 7 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Certification | ISO9001:2008 |
Description
Precision 608RS deep groove ball bearing with radial load capacity, suitable for OEM/ODM applications. Designed for reliability and long service life in various industrial environments.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Width | 42 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Feature | Long Life, High Speed, Low Noise |
Description
High-performance wheel hub bearing with radial load design, suitable for high-speed and long-life applications. Made from premium bearing steel with low noise operation and available in high precision grades.
Specifications
| Model No. | Koyo 6204r 6304 6907 16007 6007 6207 6207r 6307 63 |
| Dimensions (mm) | 45*68*12 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Origin | Germany, Sweden, Japan |
| Trademark | NTN |
Description
Precision radial bearing made of high-quality bearing steel. Suitable for various industrial applications with reliable performance. Compact design with dimensions of 45x68x12mm. Unseparated single-row structure ensures durability and smooth operation. Trusted NTN brand from leading manufacturing regions.
Specifications
| Model No. | 6217 |
| Dimensions (mm) | 45*68*12 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Trademark | NTN |
| Origin | Germany, Sweden, Japan |
Description
Precision radial bearing with model 6217, made of high-quality bearing steel. Designed for reliable performance, it features dimensions of 45mm inner diameter, 68mm outer diameter, and 12mm thickness. Ideal for industrial applications requiring durability and smooth operation.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Width | 42 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
High-performance wheel hub bearing with radial load capacity, offering long life, low noise, and high-speed operation. Suitable for various automotive applications.
Specifications
| Model No. | 628 |
| Material | Bearing Steel |
| Precision Rating | P0 P6 P5 P4 P2 |
| Lubrication | Grease or Oil |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
Description
High-performance roller bearing made of bearing steel, suitable for high-speed and heavy-load applications. Offers long service life with low noise operation. Available in various precision grades and vibration levels. Widely used across industrial machinery.
Specifications
| Model No. | 608 |
| Inner-Outer-Thickness | 120*170*28mm |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Origin | Germany, Sweden, Japan |
| Trademark | NTN |
Description
Premium radial bearing with model 608, made from high-quality bearing steel. Designed for reliable performance in various industrial applications. Compact size of 120x170x28mm ensures compatibility and durability.
Specifications
| Model No. | 618/500m/530m/560m/600m |
| Material | Bearing Steel |
| Dimensions | 120 x 170 x 28 mm |
| Load Direction | Radial Bearing |
| Origin | Germany, Sweden, Japan |
| Trademark | NTN |
Description
Premium radial bearing made of high-quality bearing steel. Suitable for heavy-duty applications with precise dimensional accuracy. Compact design with smooth performance and long service life. Ideal for industrial machinery requiring reliable radial load support.
Specifications
| Model No. | 6400 |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
Description
Premium quality 6400 roller bearing made of high-grade bearing steel, designed for durability and smooth performance. Suitable for various industrial applications with precision ratings from P0 to P2. Operates quietly with low vibration levels (Z1V1 to Z3V3), ideal for high-speed and long-life requirements.

















