SKF Bearings
Double Row Angular Contact Ball Bearing 3311A-2Z/C3 MT33 Shielded for Gearbox Reducer High Precision P4
<p>Ensure smooth, high-torque gearbox operation with the <strong>Double Row Angular Contact Ball Bearing 3311A-2Z/C3 MT33</strong>, engineered to eliminate premature wear in reducers and industrial machinery. Its P4 precision grade minimizes vibration under heavy loads, while the double-shielded (2Z) design blocks contaminants—critical for extending service life in manufacturing environments.</p><ul><li>Angular contact geometry handles combined radial and axial loads, ideal for gearbox input/output shafts</li><li>C3 clearance and MT33 cage material optimize heat dissipation during continuous operation</li><li>Backed by Saifan’s 12-month warranty and ISO 9001-certified quality control for reliable performance</li></ul>
Precision
P0 – P4
Noise Grade
Z2 / Z3 / Z4
Min. Order
1 Piece
Sample 3–5 Days
12-Month Warranty
OEM / ODM Support
Free Sample Available
Product Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 3311A-2Z/C3 MT33 |
| Type | Double Row Angular Contact Ball Bearing |
| Rows Number | Double |
| Structure | Angular Contact |
| Separated | Separated |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Precision Rating | P4 |
| Cage | Steel Cage, Copper Cage, Nylon Cage |
| Lubrication | Oil Grease |
| Transport Package | Carton Pallet |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Gearboxes, Reducers |
| Manufacturing | Printing Machines, Conveyors |
| Automotive | Transmission Systems |
Reduce Downtime with High Precision 3311A-2Z/C3 MT33 Double Row Angular Contact Ball Bearing
Gearbox and reducer failures often stem from bearing issues—premature wear, noise, or misalignment that halts production lines. Sourcing reliable high-precision bearings with flexible MOQ and fast delivery can be a challenge, especially when dealing with urgent repair needs or custom specifications.
Engineered for Gearbox and Reducer Performance
Our 3311A-2Z/C3 MT33 Double Row Angular Contact Ball Bearing addresses these challenges with P4 precision grade and shielded design, ensuring stable operation in gearboxes and reducers. With over 18 years of manufacturing experience, we offer 1 piece MOQ for standard bearings and sample orders within 3-5 working days, supporting both small-batch repairs and large-scale production requirements.
Optimal Performance in Demanding Industrial Conditions
This shielded angular contact ball bearing excels in high-speed, radial-load applications typical of gearboxes and reducers. The double row structure provides enhanced rigidity and load-carrying capacity, while the Z2-Z3-Z4 noise grade ensures quiet operation—critical for machinery in manufacturing and automotive sectors. Its separated design allows for easy installation and maintenance, reducing downtime during assembly or repairs.
Technical Features That Drive Reliability
The P4 precision rating guarantees minimal radial and axial runout, essential for maintaining gear meshing accuracy and extending equipment life. The C3 clearance class accommodates thermal expansion in high-temperature environments, preventing seizure and ensuring consistent performance. Available with steel, copper, or nylon cages, the bearing can be tailored to specific lubrication and speed requirements—steel cages for high load capacity, nylon cages for reduced friction in high-speed applications.
Long-Term Value of Genuine High-Precision Bearings
Choosing substandard bearings may save initial costs but leads to frequent replacements, unplanned downtime, and increased maintenance expenses. Our bearings meet ISO, ABMA, and DIN international standards, manufactured with high-grade chrome steel for stable performance and long service life. The 12-month warranty covers manufacturing defects, with free replacement or refund options, ensuring total cost of ownership is minimized compared to lower-quality alternatives.
Why Industrial Buyers Choose Saifan Bearings
As a professional integrated bearing manufacturer since 2005, we combine independent R&D, mass production, and global sales services. Our in-house laboratory conducts dimensional detection, noise & vibration tests, and service life experiments to ensure each bearing meets strict quality control standards. Certified with ISO 9001:2015 and ISO 14001, we serve customers across Europe, North America, Southeast Asia, and the Middle East, providing technical guidance on selection, installation, and troubleshooting.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days, bulk orders within 5-15 working days
- Flexible logistics options including DHL, FedEx, UPS, air, and sea freight
- Real-time tracking information provided for all shipments
- 1 piece MOQ for standard bearings, customized order quantities negotiable
Get Your 3311A-2Z/C3 MT33 Bearing Today
Don’t let bearing issues disrupt your production. Whether you need a single replacement or bulk order, send us your requirements—bearing designation, quantity, and application details—and our team will provide a quote within 24 hours. With fast delivery and reliable performance, we ensure your machinery keeps running smoothly.
Frequently Asked Questions
Q: Is this bearing a genuine original product?
A: We are a professional manufacturer with our own production facilities. All products are manufactured in-house to meet international standards, with full quality traceability.
Q: How do I confirm if this bearing fits my gearbox?
A: Provide your gearbox model, operating speed, and load conditions. Our technical team will verify compatibility and offer free selection guidance.
Q: What is the warranty policy?
A: We offer a 12-month warranty from the date of delivery. Qualified defective products can be replaced free with your next order or refunded directly.
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.
Q: How long does shipping take?
A: Sample orders are delivered in 3-5 working days, bulk orders in 5-15 working days. We offer multiple logistics options for timely delivery.
Q: How to ensure bearing quality before purchase?
A: We provide free samples for distributors and wholesalers (freight cost borne by customer), allowing you to test performance before bulk ordering.
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Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
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Interested in
Double Row Angular Contact Ball Bearing 3311A-2Z/C3 MT33 Shielded for Gearbox Reducer High Precision P4?
Send us your requirements and our team will respond within 24 hours with pricing, availability, and technical specifications.
Phone / WhatsApp
+86 156 6666 3558Address
2612 Ming Quan, Chun Xiao No.88 Dikou Rd,
TianQiao Dist, Jinan, Shandong, China
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