Double Row Angular Contact Ball Bearing 3309 A-2Z/C3 MT33 Shielded for High-Precision Machinery
ISO 9001:2015 P0-P4 Precision Factory Direct
Product Detail

Double Row Angular Contact Ball Bearing 3309 A-2Z/C3 MT33 Shielded for High-Precision Machinery

Ensure smooth, high-precision rotation for your machinery with the Double Row Angular Contact Ball Bearing 3309 A-2Z/C3 MT33, designed to deliver reliable performance under demanding conditions. This shielded bearing minimizes maintenance interruptions by reducing debris ingress, while its C3 radial clearance accommodates thermal expansion in high-speed applications—keeping your equipment running longer with consistent accuracy.

  • Double row design handles combined radial and axial loads efficiently, critical for precision machinery like machine tools and textile equipment
  • MT33 lubrication groove and hole configuration ensures optimal grease distribution, extending service life and reducing downtime
  • Manufactured to meet ISO standards with high-grade bearing steel, delivering the stability and durability industrial operations depend on

MOQ

1 Piece

Sample Lead Time

3-5 Days

Bulk Lead Time

5-15 Days

Warranty

12 Months

Free Sample Available
OEM / ODM Support
T/T · L/C · Alibaba

Product Description

Product Specifications

Parameter Details
Model NO. Double Row Angular Contact Ball Bearing
Separated Separated
Rows Number Double
Load Direction Radial Bearing
Material Bearing Steel
Precision Rating P0, P2, P4, P5, P6
Type Ball
Structure Angular Contact
Cage Steel Cage, Copper Cage, Nylon Cage
Lubrication Oil Grease
Transport Package Carton Pallet
Specification As Your Request
Trademark SKF
Origin Jiangsu China
Production Capacity 1000000

Application Industries

Industry Typical Equipment
Industrial Manufacturing CNC Machine Tools, Spindles, Gearboxes
Automotive Transmission Systems, Electric Motors
Agriculture Tractors, Harvesters
New Energy Wind Turbines, Solar Equipment
Engineering Excavators, Heavy Machinery

Prevent Costly Downtime with 3309 A-2Z/C3 MT33 Shielded Double Row Angular Contact Ball Bearing

Manufacturing and industrial operations face constant challenges from equipment failures—especially when critical components like bearings underperform. A single bearing failure can halt production lines, leading to missed deadlines and increased operational costs. Sourcing reliable, high-precision bearings that meet exact specifications often requires navigating complex supply chains with long lead times, making urgent repairs even more stressful.

High-Precision Angular Contact Bearing for Reliable Machinery Performance

The Double Row Angular Contact Ball Bearing 3309 A-2Z/C3 MT33 is engineered to address these pain points, offering a shielded design that ensures durability and stability in high-precision machinery. With a precision rating ranging from P0 to P4, this bearing supports both radial and axial loads, making it ideal for applications like machine tool spindles, gearboxes, and automotive transmission systems. Our one-stop service covers production and global supply, ensuring you get the right bearing when you need it—with flexible order options including 1 piece MOQ for standard products and sample orders available without minimum quantity requirements.

Optimal Performance in Demanding Operating Conditions

This shielded angular contact bearing excels in environments requiring consistent rotation and minimal maintenance. The 2Z shielded design provides effective protection against contaminants, extending service life in dusty or humid industrial settings. Whether used in high-speed CNC machines or heavy-duty agricultural equipment, the bearing’s double row structure distributes loads evenly, reducing vibration and noise to Z2/Z3/Z4 grades. Its ability to operate under varying temperatures and load conditions makes it a versatile solution for industries spanning automotive, agriculture, and new energy equipment manufacturing.

Key Technical Features Enhancing Machinery Efficiency

The 3309 A-2Z/C3 MT33 bearing’s performance is defined by critical technical attributes. Its precision rating options (P0-P4) ensure tight tolerances for applications where rotational accuracy is paramount—such as precision machining tools. The C3 clearance class allows for thermal expansion during high-speed operation, preventing premature failure due to friction and heat buildup. Available with steel, copper, or nylon cages, the bearing can be tailored to specific speed and load requirements: steel cages offer durability for heavy loads, while nylon cages reduce noise in high-speed applications. Lubricated with high-quality oil grease, it maintains stable performance over extended periods, reducing the need for frequent maintenance.

Long-Term Value of Authentic High-Precision Bearings

Investing in genuine high-precision bearings like the 3309 A-2Z/C3 MT33 minimizes the hidden costs associated with counterfeit or low-quality alternatives. Counterfeit bearings often fail prematurely, leading to unplanned downtime, repair expenses, and potential damage to expensive machinery. Our bearings meet ISO, ABMA, and DIN international standards, ensuring consistent quality and reliability. With a 12-month warranty from the date of delivery, we stand behind our products—offering free replacements or refunds for qualified defective items. The total cost of ownership is further reduced by our efficient delivery times: 3-5 working days for samples and 5-15 working days for bulk orders, ensuring minimal disruption to your operations.

Why Industrial Buyers Choose Saifan Bearings

With over 18 years of manufacturing and export experience, Jinan Saifan Bearing Co., Ltd. combines technical expertise with a customer-centric approach. Our factory is equipped with advanced precision processing equipment and automated production lines, supported by a professional R&D team and experienced QC staff. We hold ISO 9001:2015 and ISO 14001 certifications, ensuring strict quality control from raw material inspection to finished product testing. As a high-tech enterprise, we offer OEM/ODM customization to adjust structures, sizes, and packaging according to customer drawings and demands. Our global sales network covers Europe, North America, Southeast Asia, and the Middle East, providing localized support and reliable supply to industrial buyers worldwide.

Packaging & Shipping

  • Secure carton pallet packaging to protect bearings during transit
  • Sample orders delivered within 3-5 working days; bulk orders within 5-15 working days
  • Flexible shipping options including express (DHL, FedEx) and sea/air freight
  • Real-time logistics tracking provided for all orders
  • 1 piece MOQ for standard bearings, with sample orders available without MOQ

Get Your 3309 A-2Z/C3 MT33 Bearing Today

Don’t let equipment downtime affect your productivity. Whether you need a single bearing for emergency repairs or bulk orders for production, we ensure fast delivery and reliable performance. Contact us with your bearing specifications, application details, and quantity requirements to receive a personalized quote—our team will respond within 24 hours.

Frequently Asked Questions

Q: Is this bearing a genuine original product?

A: Yes, we supply genuine original bearings, including famous brands like NSK and INA. Each product can be traced through our authentic supply chain, and we provide necessary documentation to confirm authenticity.

Q: How can I confirm if this bearing fits my machinery?

A: Provide your equipment model, operating conditions (load, speed, temperature), and required specifications. Our professional technical team offers free guidance to ensure proper bearing selection.

Q: What is the warranty policy for this bearing?

A: We offer an official 12-month warranty from the date customers receive the goods. Qualified defective products are eligible for free replacement with the next bulk order or direct refund.

Q: What is the minimum order quantity?

A: Standard bearings have a 1 piece MOQ. Sample orders are available without MOQ, and customized order quantities are negotiable based on specific requirements.

Q: How long does shipping take, and what logistics options are available?

A: Sample orders ship within 3-5 working days, bulk orders within 5-15 working days. We offer D

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