Product Specifications
| Parameter |
Details |
| Model NO. |
6307 |
| Separated |
Unseparated |
| Rows Number |
Single |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Product Name |
Deep Groove Ball Bearing |
| Bore Size |
1-160 mm |
| Seals Type |
Zz 2RS Open |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
25*52*15 mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Wheel Hubs, Gearboxes |
| Agriculture |
Harvesters, Tractors |
| Home Appliances |
Electric Motors, Pumps |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
Eliminate Downtime with Reliable Deep Groove Ball Bearing 6307 for Industrial Machinery
Manufacturing delays from bearing failures cost businesses thousands in lost production. When standard bearings wear prematurely or fail to meet precision requirements, machine tools and industrial equipment grind to a halt. Sourcing authentic, high-precision bearings with flexible order terms often feels like navigating a maze of minimum order quantities and uncertain lead times.
Deep Groove Ball Bearing 6307: Precision Engineered for Uninterrupted Performance
Our Deep Groove Ball Bearing 6307 25x52x15mm Zz 2RS delivers the reliability your industrial machinery demands. With P0-P4 precision ratings and Z2-Z4 noise grades, it’s built to minimize vibration and extend service life in high-speed applications. Backed by our full R&D capabilities and ISO9001-certified quality control lab, this bearing meets global standards for machine tools, reducers, and printing equipment—critical components where precision directly impacts output quality.
Optimized for Demanding Industrial Conditions
This single-row radial bearing excels in applications requiring both radial and axial load support, operating efficiently under speeds up to industry standards for its size class. The 25mm bore, 52mm outer diameter, and 15mm width make it a direct replacement for worn units in common industrial setups. Choose between Zz (metal shielded) or 2RS (rubber sealed) variants to suit your environment—Zz for high-temperature resistance, 2RS for superior contamination protection in dusty or moist conditions.
Technical Excellence That Drives Machine Performance
Precision rating directly influences operational stability: P4 grade bearings reduce runout by 50% compared to P0, critical for CNC machine spindles where even micrometer偏差 affects part accuracy. The bearing steel construction ensures hardness up to HRC 60-64, enhancing wear resistance under continuous load. Vibration class Z3V3 minimizes noise and energy loss, a key factor in meeting modern machinery’s efficiency requirements. Seals Type options balance protection and friction—2RS seals retain lubricant 30% longer than open designs, reducing maintenance intervals.
Why Cutting Corners on Bearings Costs More in the Long Run
Low-quality bearings may save on initial cost, but frequent replacements and unplanned downtime erase those savings. A single bearing failure in a production line can halt operations for 8+ hours, costing $10,000+ in lost output. Our bearings undergo 100% post-production inspection, from material composition to dimensional accuracy, ensuring they meet the load ratings and fatigue life specified in ISO 15:2019. With a 12-month global warranty, we stand behind every unit—no hidden costs, just predictable performance.
Your Trusted Bearing Partner Since 2005
Jinan Saifan Bearing combines 18 years of manufacturing experience with a global supply chain serving Europe, America, and Southeast Asia. Our ISO14001-certified facility produces 1,000,000 bearings monthly, ensuring stable capacity for both OEM orders and urgent replacements. We offer free technical guidance to help you select the right precision grade and seal type, and our defect replacement policy means you’re covered if a bearing fails due to manufacturing issues. With 1pc MOQ for standard items and 3–5 day sample lead times, we adapt to your needs—whether you’re stocking spares or launching a new production line.
Packaging & Shipping
- Secure carton packaging with pallet reinforcement for bulk orders, protecting bearings during transit
- 3–5 day sample lead time, 5–15 day bulk delivery for standard specifications
- Flexible shipping via DHL, FedEx, UPS, air, or sea freight to match your urgency and budget
- Real-time tracking provided from warehouse dispatch to delivery
- 1pc minimum order quantity, ideal for emergency repairs or small-batch production runs
Get Your Deep Groove Ball Bearing 6307 Shipped Today
Don’t let equipment downtime erode your profits. Our 6307 25x52x15mm bearing is in stock and ready to ship—order today to restore your machinery’s performance tomorrow. Whether you need a single replacement or 10,000 units for production, we’ll deliver the same precision and reliability that has made us a trusted partner for industrial manufacturers worldwide.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, all our bearings are manufactured in our ISO9001-certified facility and come with full batch traceability. We can provide material certificates and production records upon request.
Q: How do I confirm if the 6307 bearing fits my equipment?
A: Provide your equipment model, operating speed, and load conditions, and our technical team will verify compatibility and recommend the optimal precision and seal type for your application.
Q: What is your warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide free replacement or full refund.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, allowing you to order exactly what you need for maintenance or small-scale production.
Q: How quickly can you ship?
A: Samples ship within 3–5 days, and bulk orders within 5–15 days. We work with global couriers to ensure timely
Tags:
6307 25x52x15mm Bearing
6307 Bearing 25x52x15mm Zz 2RS
Ball Bearing
Deep Groove Ball Bearing 6307
Deep Groove Ball Bearing for Industrial Machinery
industrial bearing
P0-P4 Precision Ball Bearing
ZZ 2RS Deep Groove Bearing
