Product Specifications
| Parameter |
Details |
| Model NO. |
7020B/DB 7021B/DB |
| Separated |
Unseparated |
| Rows Number |
Single |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Product Name |
Angular Contact Ball Bearing |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Stock |
in Stock |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
10*30*9 mm |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Automobile |
Differential Pinion Shafts |
| Rolling Mill |
Mill Equipment |
| Mine |
Mining Machinery |
| Metallurgy |
Metallurgical Equipment |
End Downtime Caused by Bearing Failures — Reliable 7020B/DB 7021B/DB Angular Contact Ball Bearings
Manufacturers know the frustration: equipment grinding to a halt because a bearing couldn't handle the load, or waiting weeks for replacement parts that don't meet specifications. In automotive differentials and heavy machinery, even minor bearing issues can lead to costly production delays and compromised safety.
Precision Angular Contact Ball Bearings for Critical Applications
Our Angular Contact Ball Bearings 7020B/DB and 7021B/DB are engineered to solve these challenges. With P0-P4 precision ratings and Z1V1-Z3V3 vibration grades, they deliver consistent performance in demanding environments like differential pinion shafts and rolling mill equipment. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets strict quality standards, supported by a full QC lab and R&D team.
Engineered for High Loads and Reliable Rotation
These bearings excel in applications requiring simultaneous radial and axial load handling. The angular contact design allows them to operate efficiently under combined loads, making them ideal for differential pinion shafts where torque and precision are critical. Whether in automotive transmissions, mining machinery, or metallurgical equipment, their bearing steel construction ensures durability even in harsh operating conditions.
Key Technical Features for Optimal Performance
The precision rating directly impacts performance: P4 precision bearings minimize runout and vibration, essential for high-speed differential applications where accuracy prevents premature wear. Vibration grades (Z1V1-Z3V3) control noise and stability, with higher grades suitable for quiet operation in passenger vehicles. The unseparated design ensures easy installation and maintenance, while the ability to use grease or oil lubrication provides flexibility for different operating temperatures and speeds.
Why Authentic Bearings Matter for Your Bottom Line
Choosing genuine Angular Contact Ball Bearings avoids the hidden costs of counterfeits. Inferior bearings often fail early, leading to unplanned downtime, expensive repairs, and potential damage to adjacent components. Our bearings come with a 12-month global warranty, covering manufacturing defects with free replacement or refund. This commitment to quality reduces total cost of ownership by ensuring longer service life and fewer replacements.
Your Trusted Bearing Partner Since 2005
With over 18 years in the industry, we serve global buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D capabilities and OEM/ODM customization support mean we can meet unique specifications, while 1pc MOQ for standard items and 3-5 day sample lead times accommodate both small repairs and large-scale production needs. We provide free technical guidance to ensure proper bearing selection and installation, backed by defect replacement solutions for complete peace of mind.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3-5 days sample lead time for testing and validation
- 5-15 days bulk delivery for standard items, with expedited options available
- Flexible shipping via T/T, credit card, or Alibaba trade assurance
- 1pc minimum order quantity for standard bearings, supporting emergency repairs
Get Your Bearings Delivered Fast
Don’t let bearing issues slow down your operation. Whether you need P4 precision Angular Contact Ball Bearings for differential pinion shafts or bulk orders for production, we have stock ready to ship. Send your requirements today to get a quote and keep your equipment running smoothly.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, we maintain strict quality control and supply chain transparency. Each bearing is manufactured in our ISO-certified facility and can be traced through our quality management system.
Q: How do I confirm if 7020B/DB or 7021B/DB is right for my equipment?
A: Provide your equipment model, load requirements, and operating conditions. Our technical team offers free选型 support to ensure proper bearing selection.
Q: What is your warranty policy?
A: We offer a 12-month global warranty. Manufacturing defects are covered by free replacement or refund, with responsive after-sales support.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, ideal for emergency repairs or small-scale needs. Bulk orders can be negotiated for production requirements.
Q: How quickly can I receive my order?
A: Samples ship in 3-5 days, and bulk orders in 5-15 days. We work with global logistics partners to ensure timely delivery to your location.
Q: Can you provide OEM/ODM services for these bearings?
A: Yes, we offer full OEM/ODM customization, including custom specs, branding, and packaging. Our R&D team can develop bearings tailored to your specific application.
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