BA257-1 257x315x30mm Angular Contact Ball Bearing for Excavators
Basic Info.
| Inner Diameter | 257 mm |
| Outer Diameter | 315 mm |
| Thickness | 30 mm |
| Model No. | BA257-1 |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
Excavator bearing BA257-1, precision-rated (P0–P2), unseparated single-row radial design. Made of high-grade bearing steel with steel/brass/nylon cage. Ideal for heavy-duty OEM/ODM applications. Origin: China. HS Code: 8431499900.
Basic Info.
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Specifications
| Bore Diameter | 20 mm |
| Outer Diameter | 50 mm |
| Width | 20.6 mm |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Feature | Long Life, High Speed, Low Noise |
Description
High-performance wheel hub bearing made of premium bearing steel, designed for radial load applications. Offers low noise, high speed, and extended service life. Suitable for various automotive uses with OEM/ODM support.
Specifications
| Bore Size | 1-500 mm |
| Outer Diameter | 110 mm |
| Thickness | 22 mm |
| Model No. | 6212 |
| Seals Type | Zz 2RS Open |
| Precision Rating | P0 P6 P5 P4 |
Description
Deep Groove Ball Bearing with high precision and low noise, suitable for various industrial applications. Made of bearing steel, it ensures durability and performance under radial loads.
Specifications
| Bore Size | 1-500 mm |
| Model NO. | 6003 |
| Seals Type | Zz 2RS Open |
| Precision Rating | P0 P6 P5 P4 |
| Clearance | C0 /C2/C3 |
| Origin | Japan |
Description
Koyo Deep Groove Ball Bearing, made of high-quality bearing steel, offers long life, high speed, and low noise performance. Available in rich stock with OEM/ODM service, it supports radial loading and various lubrication options for versatile industrial applications.
Specifications
| Bore Size | 1-500 mm |
| Outer Diameter | 30 mm |
| Thickness | 7 mm |
| Seals Type | Zz 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
| Material | Bearing Steel |
Description
Deep Groove Ball Bearing model 6806, made of high-quality bearing steel, offers reliable performance with precision ratings up to P4. Available in various seals types and suitable for radial loads.
Specifications
| Bore Size | 1-500 mm |
| Outside Diameter | Not specified |
| Width | 30*47*9 mm |
| Material | Bearing Steel |
| Seals Type | Zz 2RS Open |
| Precision Rating | P0 P6 P5 P4 |
Description
Deep Groove Ball Bearing model 6906, made of high-quality bearing steel, offers reliable performance with precision ratings up to P4. Available in various sizes, it supports radial loads and operates with low vibration levels Z1V1 to Z3V3. Suitable for OEM/ODM applications.
Specifications
| Bore Size | 50mm |
| Outer Diameter | 80mm |
| Thickness | 16mm |
| Material | Bearing Steel |
| Seals Type | Zz 2RS Open |
| Precision Rating | P0 P6 P5 P4 |
Description
Deep Groove Ball Bearing 6010 offers high precision and durability with radial load capacity. Made from premium bearing steel, it supports various lubrication types and is ideal for industrial applications requiring reliability and performance.
Specifications
| Bore Size | 17 mm |
| Outer Diameter | 40 mm |
| Thickness | 12 mm |
| Material | Bearing Steel |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
Description
Original NSK 6203 Deep Groove Ball Bearing, high precision and reliability. Suitable for various industrial applications with radial load capacity. Made of premium bearing steel with grease or oil lubrication.
Specifications
| Bore Size | 17 mm |
| Outer Diameter | 35 mm |
| Width | 10 mm |
| Material | Bearing Steel |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
Description
BDL 6003 Deep Groove Ball Bearing (17x35x10 mm) offers high precision and durability. Made from premium bearing steel with optional seals (ZZ/2RS), it supports radial loads and operates smoothly with grease or oil lubrication. Ideal for industrial and commercial applications requiring reliable performance.
Specifications
| Bore Size | 1-500 mm |
| Outside Diameter | Not specified |
| Width | 15*32*9 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4 |
| Seals Type | Zz, 2RS, Open |
Description
NACHI Deep Groove Ball Bearing offers high precision, low noise, and long service life. Suitable for radial loads, it supports various sizes and operates with grease or oil lubrication. Ideal for industrial applications requiring reliability and performance.
Specifications
| Bore Diameter | 37mm |
| Outer Diameter | 72mm |
| Width | 37mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5 |
| Lubrication | Grease or Oil |
Description
High-quality Automobile Bearing Hub Bearing with reliable performance. Suitable for various automotive applications, designed for radial load direction and built to meet international standards.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 56 mm |
| Width | 32 mm |
| Material | Bearing Steel |
| Lubrication | Grease or Oil |
| Precision | P0, P6, P5, P4, P2 |
Description
KOYO Wheel Hub Bearing with high precision and long life. Designed for radial load applications, it offers low noise and high-speed performance. Suitable for OEM and ODM use.
Specifications
| Bore Size | 1-500 mm |
| Specification | 10*19*5 mm |
| Material | Bearing Steel |
| Seals Type | Zz 2RS Open |
| Precision Rating | P0 P6 P5 P4 |
| Clearance | C0 /C2/C3 |
Description
Koyo Deep Groove Ball Bearing, high quality radial bearing from Japan, suitable for high speed and long life applications with low noise performance. Available in rich stocks for immediate delivery.

















