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 Size | 1-500 mm |
| Outside Diameter | 17 mm |
| Width | 10 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4 |
| Seals Type | ZZ, 2RS, Open |
Description
NACHI Deep Groove Ball Bearing 6003 offers high precision, low noise, and long service life. Ideal for radial loads, it supports high-speed operation with reliable performance in various industrial applications.
Specifications
| Bore Size | 1-500 mm |
| Outside Diameter | Not specified |
| Thickness | 15 mm |
| Model NO. | 6205 |
| Material | Bearing Steel |
| Origin | Japan |
Description
NACHI Deep Groove Ball Bearing, high precision, long life, low noise. Suitable for high-speed operation. Available in various seals types: ZZ, 2RS, Open. Rich stocks for fast delivery by sea or air.
Specifications
| Bore Size | 25 mm |
| Outer Diameter | 47 mm |
| Thickness | 12 mm |
| Material | Bearing Steel |
| Seals Type | ZZ 2RS Open |
| Precision Rating | P0, P6, P5, P4 |
Description
BDL 6005 Deep Groove Ball Bearing (25x47x12 mm) offers high durability and smooth performance for various industrial applications. Made from premium bearing steel with optional seals and precision levels, it ensures reliable operation under radial loads.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Thickness | 20.6/23 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
High-quality wheel hub bearing with long life, high speed, and low noise performance. Made from premium bearing steel, suitable for radial loads, ideal for automotive applications requiring reliable precision and durability.
Specifications
| Bore Diameter | 25 mm |
| Outer Diameter | 52 mm |
| Width | 37 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
Description
High-quality wheel hub bearing with long life, low noise, and high-speed performance. Suitable for radial loads, this BDL brand bearing (Model DAC25520037 or 445539A) is made of durable bearing steel. Ideal for OEM and ODM applications with reliable supply from China.
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.
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 | 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 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 | 38 mm |
| Outer Diameter | 70 mm |
| Width | 37 mm |
| Material | Bearing Steel |
| Precision Rating | P0, P6, P5 |
| Lubrication | Grease or Oil |
Description
High-quality automobile hub bearing with radial load direction, suitable for various vehicles. Offers excellent performance and durability under demanding conditions. OEM/ODM service available.
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 Diameter | 27 mm |
| Outer Diameter | 52 mm |
| Width | 45 mm |
| Model No. | DAC27520045/43200-50Y00 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Material | Bearing Steel |
Description
High-quality wheel hub bearing made from durable bearing steel, designed for long life, high speed, and low noise performance. Suitable for radial loads with grease or oil lubrication. Available in large stock and ideal for OEM/ODM applications.

















