China Factory Direct: 627/628/629 Deep Groove Ball Bearings
Basic Info.
| Inner Diameter | 7 mm |
| Outer Diameter | 22 mm |
| Thickness | 7 mm |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
| Origin | China |
High-precision deep groove ball bearings (Model 627/628/629), compact size 7×22×7 mm, suitable for OEM/ODM applications. Features multiple precision grades, low-vibration options (Z1V1–Z3V3), and standard grease/oil lubrication.
Basic Info.
- Needle Bearing
- Cylindrical Roller Bearing
- Auto Bearing
- Thrust Needle Roller Bearing
- Linear Bearing
- Angular Contact Ball Bearing
- Alloy Guide Rail
- Deep Groove Ball Bearing
- Plain Bearing
- Spherical Roller Bearing
- Auto Air Conditioning Compressor
- Taper Roller Bearing
- Spherical Plain Bearing
- Thrust Ball Bearing
- Self-Aligning Ball Bearing
- Thrust Self-aligning Roller Bearing
- Pillow Block Bearing
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Specifications
| Bore Diameter | 90 mm |
| Outer Diameter | 190 mm |
| Width | 43 mm |
| Model NO. | 6318ZZ |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
The KOYO 6318ZZ deep groove ball bearing offers high precision, long life, and low noise operation. Ideal for radial loads, it supports high-speed applications with C0/C2/C3 clearance options and is available in rich stock for immediate delivery.
Specifications
| Bore Diameter | 25mm |
| Outer Diameter | 47mm |
| Width | 12mm |
| Material | Bearing Steel |
| Load Type | Radial |
| Sealed | Yes |
Description
NTN 6005-2Z deep groove ball bearing with single row design, precision radial performance, and sealed construction for reliable operation in various industrial applications.
Specifications
| Bore Diameter | 10 mm |
| Outer Diameter | 19 mm |
| Width | 5 mm |
| Model NO. | 6800DDU |
| Material | Bearing Steel |
| Origin | Japan |
Description
High-speed, low-noise NSK 6800DDU deep groove ball bearing with long service life. Suitable for radial loads, precision-rated P0-P4, lubricated with grease or oil. Ideal for industrial and OEM applications requiring reliability and performance in a compact 10x19x5 mm design.
Specifications
| Bore Diameter | 60 mm |
| Outer Diameter | 140 mm |
| Width | 33 mm |
| Precision Rating | P0, P6, P5, P4 |
| Clearance | C0, C2, C3 |
| Lubrication | Grease or Oil |
Description
High-quality NACHI 6028ZZ deep groove ball bearing made of bearing steel, offering long life, low noise, and high-speed performance. Suitable for various industrial applications with radial load requirements. Available in rich stock with OEM/ODM service support.
Product Parameters
| Bore Diameter | 150 mm |
| Outer Diameter | 225 mm |
| Width | 35 mm |
| Model NO. | 6030-2RS |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Description
High precision radial bearing with non-aligning design, suitable for heavy-duty applications. Made of high-quality bearing steel, ensuring durability and performance under various load conditions.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 42 mm |
| Thickness | 12 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
High-precision 6004-2RS deep groove ball bearing with dust seals on both sides. Made from high-quality bearing steel for durability and long service life. Suitable for radial loads in various industrial applications.
Specifications
| Bore Diameter | 50 mm |
| Outer Diameter | 80 mm |
| Width | 16 mm |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Origin | China |
Description
Precision radial bearing with 50x80x16 mm dimensions, made of high-quality bearing steel. Ideal for industrial applications requiring reliable performance. Available with OEM/ODM service.
Specifications
| Bore Diameter | 70 mm |
| Outer Diameter | 110 mm |
| Width | 20 mm |
| Model No. | 6014-2RS |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
High-quality deep groove ball bearing made from bearing steel, ideal for radial load applications. Features non-aligning design, unseparated structure, and available with OEM/ODM service. Suitable for various industrial uses with reliable performance.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 37 mm |
| Thickness | 7 mm |
| Model No. | 6805zz |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
Overview
Precision radial bearing with high speed, low noise, and long life performance. Ideal for industrial applications requiring reliability and durability. Available in bulk stock with OEM/ODM support.
Specifications
| Bore Diameter | 15mm |
| Outer Diameter | 32mm |
| Width | 9mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Seals Type | 2RS, N, NR |
Description
Precision NTN ball bearing with 15x32x9mm dimensions, made of high-quality bearing steel. Designed for radial load applications, featuring reliable performance and long service life. Available in multiple seal types.
Specifications
| Bore Diameter | 17mm |
| Outer Diameter | 35mm |
| Width | 10mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Origin | Germany, Sweden, Japan |
Description
High-quality radial bearing with precision dimensions (17x35x10mm), made from durable bearing steel. Suitable for various industrial applications requiring reliable performance and smooth operation under radial loads.
Specifications
| Bore Diameter | 90 mm |
| Outer Diameter | 140 mm |
| Width | 24 mm |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Origin | Japan |
Description
High-precision radial bearing with grease or oil lubrication. Designed for heavy-duty applications, it features P0-P2 precision ratings and low vibration levels Z1V1-Z3V3. Suitable for OEM/ODM use.

















