NTN 30320/30321/30322 Tapered Roller Bearing – High-Precision Spindle Bearing
Basic Info.
| Inner Diameter | 100 mm |
| Outer Diameter | 215 mm |
| Thickness | 47 mm |
| Model NO. | 30320 |
| Brand | NTN |
| Origin | Japan |
Introduction
High-precision NTN deep groove ball bearing (Model 30320), made in Japan. Features grease/oil lubrication, precision grades P0–P2, low vibration (Z1V1–Z3V3), and robust OEM/ODM service capability. Compact size: 100×215×47 mm.
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. | 3982/20 |
| Inner/Outer Diameter/Thickness | 70*180*42mm |
| Seals Type | Open |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Origin | China |
Description
High precision roller bearing with open seal design, made of high-quality bearing steel. Suitable for radial load applications, offering reliable performance in industrial machinery. Available in customized dimensions with OEM/ODM service.
Specifications
| Bore Diameter | 100mm |
| Outer Diameter | 180mm |
| Width | 34mm |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Oil, Grease, Dry |
Description
High precision single row ball bearing with open seal design, suitable for various industrial applications requiring reliable performance. Made in China under BDL brand, offering excellent durability and compatibility.
Specifications
| Bore Diameter | 90mm |
| Outer Diameter | 150mm |
| Width | 45mm |
| Seals Type | Open |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
High-precision radial roller bearing with open seal design, made of durable bearing steel. Suitable for industrial applications requiring reliable performance under radial loads. Dimensions: 90x150x45mm.
Specifications
| Bore Diameter | 15mm |
| Outer Diameter | 42mm |
| Width | 14.25mm |
| Seals Type | Open |
| Material | Bearing Steel |
| Trademark | TIMKEN |
Description
High-precision radial roller bearing with open seal design, made of durable bearing steel. Ideal for industrial applications requiring reliability and performance. OEM/ODM service available.
Specifications
| Bore Diameter | 55 mm |
| Outer Diameter | 100 mm |
| Width | 35 mm |
| Seals Type | Open |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Description
Premium radial roller bearing with open seal design, made of high-quality bearing steel. Offers reliable performance in demanding applications. Precision rated P0-P2, suitable for OEM/ODM use. Compact size: 55x100x35mm.
Specifications
| Bore Diameter | 35mm-400mm |
| Outer Diameter | As per model |
| Width | 65mm (e.g., 150*320*65mm) |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
High-performance roller bearings with single row design, made from high-quality bearing steel. Available in various sizes (35mm-400mm bore), these radial bearings offer reliable operation under demanding conditions. Precision-rated options ensure optimal performance for OEM and industrial applications.
Specifications
| Bore x Outer Diameter x Thickness | 20 x 152 x 21 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Service | OEM/ODM Available |
| Origin | Japan |
Description
Premium NTN precision bearings with high-speed, low-noise performance. Ideal for industrial applications requiring reliability and durability. Rich stock available for fast delivery.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 62 mm |
| Width | 24 mm |
| Seals Type | Open |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
Single row radial roller bearing with open seal design, made of high-quality bearing steel. Offers high precision performance (P0-P2) and is suitable for various industrial applications requiring reliability and durability. Lubrication options include oil, grease, or dry. OEM/ODM service available.
Specifications
| Bore Diameter | 35mm-400mm |
| Outer Diameter | As per model |
| Width | Single Row |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
High-quality roller bearings with open seal design, made from durable bearing steel. Available in various sizes with precision ratings from P0 to P2. Suitable for radial load applications, these separated type bearings offer reliable performance for industrial use.
Specifications
| Bore Diameter | 20mm |
| Outer Diameter | 52mm |
| Width | 15mm |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Oil, Grease, Dry |
Description
High-precision single row ball bearing with model 30304, ideal for OEM/ODM applications. Made in China, it features durable construction, versatile lubrication options, and is suitable for various industrial uses.
Specifications
| Bore x Outer Diameter x Thickness | 60x130x46 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration Level | Z1V1, Z2V2, Z3V3 |
| Noise & Speed | Low Noise, High Speed |
| Service | OEM/ODM Available |
| Origin | China |
Overview
High-performance bearing with long service life, suitable for high-speed applications. Offers low noise operation and comes in multiple precision grades. Ideal for industrial use with reliable OEM/ODM support and stable supply from rich stock.
Specifications
| Model NO. | 32218-32224 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1-Z3V3 |
| Feature | High Speed, Low Noise, Long Life |
| Origin | Japan |
| Trademark | NSK |
Description
Premium precision bearings from NSK, designed for high-speed and low-noise performance. Available in multiple models with rich stock and OEM/ODM support. Ideal for industrial applications requiring reliability and durability.

















