Koyo 30314-30318DJR Tapered Roller Bearings – High-Load, Precision, OEM Grade
Basic Info.
| Inner Diameter | — |
| Outer Diameter | — |
| Thickness | — |
| Models | 30314DJR, 30315DJR, 30316DJR, 30317DJR, 30318DJR |
| Origin | China |
| Brand | Timken, SKF, NSK, NTN, Koyo, NACHI, IKO |
High-precision tapered roller bearings with industrial packaging. Compliant with HS Code 8482220000. Production capacity: one million pieces per year.
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. | 30305 30306 30307 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Specification | 25*62*17 mm |
| Feature | Long Life, High Speed, Low Noise |
| Origin | China |
Description
Premium quality bearings with high precision and low noise operation. Available in multiple models (30305, 30306, 30307) with rich stock supply. Ideal for high-speed applications requiring reliability and durability. Made in China under strict quality control.
Specifications
| Bore (mm) | 90 |
| Outer Diameter (mm) | 190 |
| Width (mm) | 46.5 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Noise Level | Low Noise |
| Origin | China |
Description
High-speed, long-life bearing with low noise and rich stock availability. Suitable for OEM/ODM services.
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
| Model No. | 32204 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Specification | 105*190*68 mm |
| Origin | China |
Description
High-performance bearing with durable design, suitable for high-speed applications requiring low noise and long service life. Made in China, available in large stock.
Specifications
| Inner Diameter | 65mm |
| Outer Diameter | 100mm |
| Thickness | 27mm |
| Model NO. | 33013, 33113, 30213 |
| Material | Bearing Steel |
| Seals Type | Open |
Description
High precision radial roller bearing with open seal design, made of durable bearing steel. Suitable for various industrial applications requiring reliable performance under radial loads. Offers OEM/ODM service with stable production capacity.
Specifications
| Bore Diameter | 17mm |
| Outer Diameter | 40mm |
| Width | 12mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
High-performance roller bearing with radial load design, single row configuration, and open seal type for versatile industrial applications. Made from high-quality bearing steel with precise dimensional control.
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 | 85 mm |
| Outer Diameter | 150 mm |
| Width | 28 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Origin | China |
Description
High-performance bearing with precise engineering, suitable for industrial applications requiring reliability and durability. Available in multiple precision grades and lubrication options.
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 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 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
| 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.

















