Deep Groove Ball Bearing
ISO 9001
Certified
Authorized
Distributor
In Stock
Ready to Ship

SKF 6220 6221 6222 6302 6306 Zz 2RS Deep Groove Ball Bearings for Construction Machinery 30x72x19mm

Ensure uninterrupted operation of your construction machinery with precision-engineered SKF deep groove ball bearings—designed to reduce downtime and simplify multi-brand procurement. This 6306 model (30x72x19mm) features dual-seal options (Zz/2RS) for enhanced protection against dust and moisture in harsh mining and infrastructure environments, paired with P0-P4 precision ratings to maintain optimal performance under heavy radial loads.

  • Single-row, non-aligning design ensures consistent power transmission in excavators, loaders, and conveyor systems
  • Unified ISO 9001 quality certification streamlines compliance for large-scale projects, eliminating cross-supplier quality inconsistencies
  • Grease/oil lubrication flexibility adapts to your maintenance protocols, backed by our cross-brand technical support team

Category
Deep Groove Ball Bearing
Availability
In Stock
MOQ
1 PCS
Lead Time
3-7 Days
Quality
ISO 9001
receiving@yokobearings.com 24h Response Guarantee

Product Details

Product Specifications

Parameter Details
Model NO. 6306
Seals Type Zz 2RS Open
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4
Vibration Z1V1 Z2V2 Z3V3
Service OEM ODM
Aligning Non-Aligning Bearing
Separated Unseparated
Rows Number Single
Load Direction Radial Bearing
Material Bearing Steel
Contact Angle
Transport Package Carton Pallet
Specification 30*72*19mm
Trademark SKF
Origin Sweden
HS Code 8482102000

Application Industries

Industry Typical Equipment
Construction Machinery Excavators, Loaders, Bulldozers, Concrete Mixers
Mining Crushers, Conveyors, Drilling Rigs, Haul Trucks
Steel & Metallurgy Rolling Mills, Continuous Casters, Overhead Cranes
Manufacturing CNC Machines, Gearboxes, Electric Motors, Pumps

Stop Equipment Downtime with Genuine SKF 6306 Deep Groove Ball Bearings

Construction and mining operations lose thousands in revenue daily when equipment grinds to a halt. Counterfeit bearings often fail prematurely under heavy loads, while sourcing multiple bearing brands from different suppliers creates logistical headaches and delays. When your excavator arm or conveyor system needs a replacement, waiting weeks for delivery isn’t an option.

Genuine SKF Bearings in Stock for Immediate Shipment

As an official SKF distributor, we stock authentic SKF 6306 deep groove ball bearings ready to ship. Our 30x72x19mm bearings with Zz and 2RS seal options meet the rigorous demands of construction machinery, providing reliable performance in dusty, high-vibration environments. With our centralized inventory, you avoid the frustration of minimum order quantities and long lead times common with direct brand purchases.

Engineered for Heavy-Duty Construction and Mining Conditions

SKF 6306 bearings excel in applications with radial loads and moderate axial loads, making them ideal for gearboxes, hydraulic pumps, and wheel hubs in construction equipment. The single-row design and non-aligning structure ensure stability at operating speeds up to industry standards, while bearing steel construction delivers durability against shock loads and continuous use. Whether your equipment operates in high temperatures or abrasive conditions, these bearings maintain consistent performance to keep your projects on schedule.

Technical Features That Maximize Equipment Uptime

The precision rating options (P0 to P4) allow you to match bearing accuracy to your equipment’s requirements—from general machinery to precision machine tools. Vibration classes Z1V1 to Z3V3 reduce noise and energy consumption, critical for operator comfort and long-term efficiency. Choose between Zz (metal shielded) or 2RS (rubber sealed) variants: Zz bearings suit high-speed applications with external lubrication, while 2RS seals provide superior protection against contaminants in dirty work sites. The 0° contact angle optimizes radial load handling, a key advantage in heavy-duty construction machinery.

Avoid Hidden Costs of Counterfeit Bearings

While imitation bearings may cost less upfront, they often lead to catastrophic failures. A single bearing failure in a mining conveyor can halt production for days, resulting in losses far exceeding the price of a genuine SKF bearing. Our ISO 9001 quality inspection system ensures every bearing meets SKF’s strict standards, eliminating the risk of premature wear or failure. By investing in authentic SKF 6220 2RS bearings and other models, you reduce maintenance costs and extend equipment lifespan, lowering your total cost of ownership.

Why Global Buyers Choose Our Bearing Solutions

With dual-brand authorization for SKF and Timken, we offer one-stop procurement for mixed bearing requirements, serving over 1,200 clients across 55+ countries. Our cross-brand technical team provides expert选型 support, ensuring you get the right bearing for your specific application. Every order includes complete authorization documents and quality certification, critical for large engineering projects. We maintain a large centralized inventory, enabling same-day dispatch for urgent maintenance needs, and our global logistics network delivers to Australia, Russia, Saudi Arabia, Brazil, South Africa, and beyond with full tracking.

Packaging & Shipping

  • Original SKF packaging with protective cartons and pallets for secure transport
  • Package Size: 9.20cm * 9.20cm * 3.90cm
  • Package Gross Weight: 0.350kg
  • Shipping within 3-7 business days for in-stock items
  • Flexible delivery via DHL, FedEx, UPS, air freight, or sea freight
  • Real-time logistics tracking provided for all shipments
  • Minimum order quantity: 1 piece, supporting emergency repairs

Get Your SKF 6306 Bearings Shipped Today

Don’t let equipment downtime derail your project timeline. Send us your bearing model, application details, and quantity, and our team will provide a quote within one working day. With our large inventory and global delivery capabilities, you can have genuine SKF bearings on-site quickly—minimizing downtime and keeping your operations running smoothly.

Frequently Asked Questions

Q: Are these genuine SKF bearings?

A: Yes, we are an official SKF authorized distributor. Every bearing comes with complete traceability documents and authorization certificates to verify authenticity.

Q: How do I confirm if the 6306 bearing fits my equipment?

A: Provide your equipment model or technical specifications (load, speed, environment), and our cross-brand technical team will verify compatibility at no cost.

Q: What is your warranty policy?

A: All SKF bearings are covered by the manufacturer’s warranty. We provide full support for replacement or refund in case of manufacturing defects.

Q: What is the minimum order quantity?

A: We accept orders for 1 piece, ideal for emergency maintenance or small-scale projects.

Q: How long does shipping take to my country?

A: In-stock bearings ship within 3-7 business days. Delivery time depends on location—typically 3-5 days for express courier, 10-20 days for air freight, and 30-45 days for sea freight.

Q: How can I verify the bearing’s authenticity upon receipt?

A: Check the packaging for SKF’s holographic label, laser-etched part number on the bearing, and scan the QR code to verify via SKF’s official database. We also provide a

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