Inch Size R Series Ball Bearings – All Models & Sizes
Specifications
| Bore Diameter | R144 Model |
| Outer Diameter | Various Sizes Available |
| Thickness | Standard Industrial Design |
| Capacity | 200,000,000 Pieces/Year |
| Delivery Performance | 100.0% On-Time Delivery |
| Origin | China |
Description
High-quality R144 model component with reliable performance, manufactured in China. Offers large production capacity and consistent on-time delivery. Suitable for industrial applications requiring precision and durability.
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
| Model No. | 6000/6200/6300 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Feature | High Speed, Low Noise, Long Life |
Description
High-performance radial bearings with precision grades up to P2, ideal for high-speed and low-noise applications. Made from premium bearing steel, these models (6000/6200/6300) ensure durability and reliability in various industrial environments.
Specifications
| Model No. | 6208 |
| Dimensions | 40*80*18mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Feature | Long Life, High Speed, Low Noise |
Description
The 6208 deep groove ball bearing offers high precision and low vibration performance. Made from durable bearing steel, it ensures long life, high speed operation, and low noise. Suitable for various industrial applications with radial load requirements.
Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 42 mm |
| Width | 12 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
High-quality radial bearing made from bearing steel, ideal for various industrial applications. Features non-aligning design and unseparated structure with low vibration levels Z1V1 to Z3V3. Suitable for OEM and ODM services.
Specifications
| Model No. | 6208 Z/Zz/Rz/RS/Znr/N/Ma/ |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Origin | China |
Description
High-speed, low-noise radial bearing with long service life. Made from high-quality bearing steel, suitable for various industrial applications requiring precision and reliability.
Specifications
| Bore Diameter | 10 mm |
| Outer Diameter | 26 mm |
| Width | 8 mm |
| Material | Bearing Steel |
| Load Direction | Radial |
| Sealed Package | Packed |
Description
Precision radial bearing with 10x26x8mm dimensions, made of high-quality bearing steel. Ideal for industrial applications requiring reliable performance. Manufactured by NSK with global production standards.
Specifications
| Bore Diameter | 75mm |
| Outer Diameter | 130mm |
| Width | 25mm |
| Model No. | 6215 |
| Material | Bearing Steel |
| Origin | China |
Description
Premium radial bearing with model 6215, made of high-quality bearing steel. Designed for reliable performance, it features dimensions of 75x130x25mm and is ideal for various industrial applications.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 170mm |
| Width | 28mm |
| Model No. | 6328 |
| Material | Bearing Steel |
| Load Direction | Radial |
Description
Premium radial bearing with precision engineering. Model 6328 features high-quality bearing steel construction, designed for reliable performance in demanding applications. Dimensions: 120x170x28mm.
Specifications
| Bore Diameter | 15mm |
| Outer Diameter | 35mm |
| Thickness | 11mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
Overview
High-speed deep groove ball bearing with long life and low noise. Suitable for radial loads, available in multiple precision grades. Ideal for OEM/ODM applications. Rich stock for fast delivery by sea or air.
Specifications
| Bore Diameter | 120mm |
| Outer Diameter | 170mm |
| Width | 28mm |
| Model No. | 6313 |
| Material | Bearing Steel |
| Brand | NTN |
Description
Premium radial bearing with high load capacity, made of durable bearing steel. Ideal for industrial applications requiring reliable performance. Compact design with precise dimensions for easy integration.
Specifications
| Model No. | 6303 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Feature | High Speed, Low Noise, Long Life |
Description
Premium radial bearing made of high-quality bearing steel, ideal for high-speed and low-noise applications. Available in precision grades P0 to P2 with rich stock and global shipping options. Supports OEM/ODM services.
Specifications
| Model No. | 6203 |
| Dimensions (mm) | 45*68*12 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Trademark | NTN |
| Origin | Germany, Sweden, Japan |
Description
Precision radial bearing with model 6203, made of high-quality bearing steel. Suitable for various industrial applications requiring reliable performance and durability.
Specifications
| Bore Diameter | 30 mm |
| Outer Diameter | 72 mm |
| Width | 19 mm |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Lubrication | Grease or Oil |
Description
Premium quality deep groove ball bearing with reliable performance. Suitable for various industrial applications requiring high precision and durability. OEM/ODM service available.

















