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
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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.
Product Parameters
| Bore Diameter | 20mm |
| Outer Diameter | 42mm |
| Width | 15mm |
| Material | Bearing Steel |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
Description
High-performance roller bearing with open seal design, made of high-quality bearing steel. Suitable for radial load applications, precision-rated options available. Ideal for industrial machinery requiring reliability and durability.
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 | 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 | 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 | 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 | 40 mm |
| Outer Diameter | 90 mm |
| Thickness | 23 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Noise Level | Low Noise |
| Origin | China |
Description
High-speed, long-life bearing with low noise performance. Available in multiple precision classes (P0-P2). Ideal for OEM/ODM applications. Rich stock and fast delivery.
Specifications
| Bore x Outer x Thickness | 17*30*7 mm |
| Model NO. | 32004 32005 32006 32007 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Feature | Long Life, High Speed, Low Noise |
| Origin | Japan |
Description
High-precision NTN bearings from Japan offer long life, low noise, and high-speed performance. Available in multiple models with rich stock and OEM/ODM service support.
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 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
| 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 | 85mm |
| Outer Diameter | 150mm |
| Width | 36mm |
| Seals Type | Open |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Oil, Grease, Dry |
Description
High-precision TIMKEN bearing with robust performance. Suitable for industrial applications requiring reliability and durability. OEM/ODM service available. Made in America.

















