Angular Contact Bearing
Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
<p>Ensure your high-load construction machinery operates with uncompromising precision using our <strong>Double Row Angular Contact Ball Bearing 3312-a</strong>, engineered to deliver P2/P4 class accuracy that minimizes vibration and extends equipment lifespan. As a critical component in heavy-duty applications, this bearing combines separated inner/outer ring design for easy installation with dual-row contact geometry, distributing radial and axial loads evenly to prevent premature failure under extreme working conditions.</p><ul><li>Precision-machined from high-grade bearing steel with steel/copper/nylon cage options, tailored to your specific lubrication and temperature requirements</li><li>Backed by ISO 9001-certified inspection protocols and shockproof logistics, ensuring consistent performance from warehouse to worksite</li></ul>
Related Keywords
| 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 |
| Industry | Typical Equipment |
|---|---|
| Construction Machinery | Excavators, Loaders, Cranes, Bulldozers |
| Industrial Machinery | Heavy-duty Gearboxes, Hydraulic Pumps, Conveyors |
Construction machinery operators know the frustration of sudden downtime—especially when a bearing failure halts a multi-million-dollar project. Sourcing high-load bearings that meet P2/P4 precision standards often means juggling multiple suppliers, inconsistent quality checks, and long lead times that extend project timelines.
Our Double Row Angular Contact Ball Bearing 3312-a is engineered to handle the heavy radial and axial loads of construction machinery, with P2/P4 precision ratings ensuring minimal vibration and extended service life. As an official SKF distributor with sufficient P4/P2 grade stock, we eliminate the wait for critical components—your order ships after precision testing compliant with ISO 9001 & DIN standards, so you get bearings that perform from day one.
Designed for high-load construction machinery, this Double Row Angular Contact Ball Bearing excels in applications like excavator swing mechanisms, loader arm pivots, and crane boom joints. Its separated structure allows for easy mounting and dismounting, while the angular contact design accommodates combined radial and axial loads—critical for equipment operating under dynamic stress and variable terrain conditions.
The bearing’s precision rating (P2/P4) ensures tight dimensional tolerances, reducing rotational clearance and improving machine accuracy—essential for applications where even minor misalignment can cause premature wear. Constructed from high-grade bearing steel, it withstands heavy shock loads common in construction environments. The choice of cage material—steel, copper, or nylon—allows customization for specific operating temperatures and load requirements, while oil-grease lubrication options optimize performance in dusty or high-moisture conditions.
Non-genuine bearings may save money upfront, but they often fail prematurely under high loads, leading to unplanned downtime, costly repairs, and project delays. A single bearing failure in a critical construction machine can cost thousands in lost productivity. Our SKF bearings come with full certification documents, ensuring compliance with global quality standards and reducing the risk of hidden costs associated with counterfeit components.
With dual European brand official authorization (FAG & SKF), we guarantee genuine products traceable to the original manufacturer. Our precision-oriented inspection system ensures every bearing meets P2/P4 specifications before shipment. Serving 800+ clients across 45+ countries, our senior application engineers provide expert support for选型 and installation, while our premium shockproof logistics ensure bearings arrive in perfect condition. We simplify procurement with one-stop sourcing for all your bearing needs, reducing supplier management costs and streamlining your workflow.
Don’t let equipment downtime delay your construction schedule. Send us your bearing designation, application details, and quantity, and our team will provide a unified quotation within one working day—complete with authorization and quality inspection documents. The sooner you order, the sooner your machinery gets back to work.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF distributor. Every bearing comes with complete certification documents and is traceable to the original manufacturer.
Q: How do I confirm if the 3312-a is compatible with my machinery?
A: Provide your equipment model or specific operating conditions (load, speed, temperature), and our senior application engineers will verify compatibility at no cost.
Q: What is the warranty policy?
A: We adhere to SKF’s original warranty standards, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting emergency maintenance and small-batch procurement needs.
Q: How long does shipping take?
A: In-stock bearings ship within 3-7 working days. We offer DHL, FedEx, UPS, air, and sea freight options to match your timeline.
Q: How can I verify the bearing’s authenticity?
A: Check the packaging for SKF’s holographic防伪标签, laser-etched part numbers, and scan the QR code to validate on SKF’s official website. We provide full traceability documents upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
Angular Contact Bearing
Angular Contact Bearing
Submit your inquiry for Double Row Angular Contact Ball Bearing 3312-a for High Load Construction Machinery with P2/P4 Precision Rating and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
Genuine FAG & SKF, traceable certificates
Reply Within 12 Hours
Senior engineers, multi-language support
Full Certification Docs
ISO 9001, DIN 620, material certs available