HD770-1 High Speed NTN BA230-2 Excavator Bearing 230×320×40mm with 40° Contact Angle
HD770-1 High Speed JAPAN NTN BA230-2 excavator bearing is a specialized angular contact ball bearing engineered for heavy-duty excavator applications. With a 40-degree contact angle, this bearing delivers superior axial load capacity and combined axial-radial load performance.
- 40-degree contact angle for exceptional axial load capacity
- Enhanced ball complement for heavier load capacity than standard bearings
- High precision manufacturing for reduced noise and extended service life
- Compatible with major excavator brands including KOBELCO, KOMATSU, KATO, HITACHI, DAEWOO, HYUNDAI
- Optimized for excavator machinery applications
| Bearing Model | Dimensions (mm) | Bearing Model | Dimensions (mm) |
|---|---|---|---|
| 180BA-2256S | 180×225×21.5 | BA300-5WSA | 300×380×40 |
| 184BA-2251 | 184×226×21.5 | BA340-1 | |
| 200BA27V-2 | 200×272×33 | BA345-1SA | 345×470×42/53 |
| 210BA27V-2 | 210×295×35 | BA4531 | 225×315×40 |
| 230BA30-2 | 230×300×33 | BD130-1 | 130×166×34 |
| 240BA32S1 | 240×320×38 | BD130-16A | 130×166×40 |
| 245BA35 | 245×355×45 | BD130-2 | 130×166×34 |
| 260BA-35S2 | 260×355×40 | BD135-6 | 135×166×41 |
Zhonghong Bearing Manufacturing Co., Ltd is a professional bearing production and sales company with extensive experience in industrial bearing support and service. Our product range includes deep groove ball bearings, joint bearings, conical bearings, cylindrical bearings, and specialized industrial components.
Our bearings are widely used in machine tools, coal mining, railway systems, petroleum printing, power plants, shipbuilding, aviation, and automotive industries.
We maintain advanced production equipment, comprehensive inspection systems, and rigorous quality control processes to ensure product reliability and performance.
- Product quality assurance period exceeds 2000 miles
- Careful assembly line processes for perfect product appearance
- Custom manufacturing available according to customer drawings and specifications
- Single box packing with carton and pallet options
- Standard export packaging compliant with international shipping requirements
- Custom packaging solutions available based on customer specifications
A: We are a direct manufacturer with complete production capabilities.
A: Standard MOQ is approximately 3000 pieces per color. Contact us for smaller quantity quotations.
A: We provide existing samples free of charge, with customers covering express shipping. Custom samples may incur charges that are refundable with qualifying orders.
A: Standard delivery is 30 days after order confirmation. Actual timing depends on order quantity and production schedule.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.