Saifan Bearing
Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery
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Deep Groove Ball Bearing 6307 35x80x21mm P0-P4 Precision Z2V2 Noise Grade for Industrial Machinery

SKU: e40c9cea09d3

Ensure smooth, precise rotation for your industrial machinery with the Deep Groove Ball Bearing 6307, engineered to eliminate downtime and enhance operational efficiency. This 35x80x21mm workhorse delivers consistent performance across P0-P4 precision grades and Z2V2 noise levels, making it ideal for high-demand applications where reliability can’t be compromised.

  • Single-row radial design with 0° contact angle ensures optimal load distribution, reducing wear and extending service life in heavy-duty equipment
  • Available with Zz, 2RS, or Open seals to adapt to your lubrication needs (grease or oil), providing flexible integration into existing systems
  • Manufactured to meet strict ISO standards, this bearing maintains stable rotation even under fluctuating workloads, giving you peace of mind for critical operations
Factory Price
¥1.55
MOQ: 1pc · Bulk discount available
ISO 9001
Certified
12-Month
Warranty
3-5 Days
Sample Delivery
Technical Documentation

Product Details

Product Specifications

Parameter Details
Model NO. 6307
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 35×80×21mm
HS Code 8482102000

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Printing Equipment, Reducers
Automotive Hub Assemblies, Electric Motors
Agriculture Harvesters, Tractors
New Energy Wind Turbines, Photovoltaic Systems
Home Appliances Washing Machines, Refrigeration Compressors

Minimize Downtime with Reliable Deep Groove Ball Bearing 6307 for Industrial Machinery

Industrial operations face constant challenges: unexpected bearing failures halt production lines, low-quality components compromise precision, and long lead times delay maintenance. For machine tools, printing presses, and reducers, a single bearing malfunction can cost thousands in lost productivity. Choosing the right 6307 bearing—one that balances precision, durability, and availability—directly impacts your bottom line.

Deep Groove Ball Bearing 6307: Engineered for Consistent Performance

Our Deep Groove Ball Bearing 6307 (35x80x21mm) addresses these pain points with P0-P4 precision grades and Z2V2 noise control, ensuring smooth operation in high-demand industrial machinery. Backed by ISO9001 and ISO14001 certifications, we offer flexible order options: 1pc MOQ for standard items, 3–5 day sample lead time, and 5–15 day bulk delivery. Whether you need a single replacement or bulk OEM orders, we adapt to your schedule.

Optimal Performance in Critical Industrial Applications

This 6307 bearing excels in radial load environments, making it ideal for machine tool spindles, conveyor systems, and gearboxes. Its single-row design and non-aligning structure ensure stability under continuous rotation, while options for Zz/2RS seals or open configurations adapt to dust, moisture, and lubrication requirements. With P4 precision, it maintains minimal runout—critical for high-speed applications like printing presses where accuracy directly affects output quality.

Key Technical Features That Drive Reliability

Precision rating directly impacts machinery performance: P0 suits general industrial use, while P4 minimizes vibration for precision equipment. The Z2V2 noise grade ensures quiet operation, essential for factory environments and household appliances. Constructed from high-grade bearing steel, this 6307 bearing balances hardness and toughness, resisting wear even in heavy-load scenarios. Grease or oil lubrication flexibility allows customization based on operating speed and temperature, extending service life in diverse conditions.

Why Compromising on Bearing Quality Costs More

Low-cost bearings often fail prematurely, leading to unplanned downtime, repair labor, and secondary component damage. Our 6307 bearing, built to strict quality standards, reduces total cost of ownership through longer service intervals and consistent performance. With a 12-month global warranty, we stand behind every unit—offering defect replacement or refund to protect your investment. Authentic NSK/INA bearings, sourced through verified channels, ensure compatibility and reliability that counterfeit products cannot match.

Our Commitment to Your Production Continuity

With over 18 years in bearing manufacturing and export, we serve clients across Europe, America, Southeast Asia, and the Middle East. Our in-house R&D and QC lab conduct rigorous testing—from material composition to dimensional accuracy—ensuring each 6307 bearing meets specifications. Free technical guidance helps you select the right precision and seal type, while our responsive after-sales team addresses issues within 24 hours. We maintain stable supply chains despite raw material fluctuations, keeping your production on track.

Packaging & Shipping

  • Secure packaging: Carton boxes with pallet reinforcement for bulk orders
  • Sample lead time: 3–5 days for standard specifications
  • Bulk delivery: 5–15 days, with expedited options available
  • Global logistics: T/T, credit card, and Alibaba trade payment options
  • Flexible MOQ: 1pc for standard items, supporting emergency repairs

Get Your 6307 Bearing Shipped Fast

Don’t let equipment downtime affect your production schedule. Whether you need a single Deep Groove Ball Bearing 6307 for urgent repairs or custom OEM solutions, we deliver on time. Send your requirements today, and our team will confirm specifications and provide a quote within 24 hours.

Frequently Asked Questions

Q: Are these bearings authentic and traceable?

A: Yes, we supply authentic NSK/INA bearings through verified channels, with full traceability documentation available upon request.

Q: How do I confirm if the 6307 35x80x21mm bearing fits my equipment?

A: Provide your equipment model or technical drawings, and our engineering team will verify compatibility and recommend the optimal precision and seal type.

Q: What warranty coverage do you offer?

A: We provide a 12-month global warranty, including free replacement or refund for manufacturing defects.

Q: What is the minimum order quantity?

A: Standard items have a 1pc MOQ, ideal for emergency repairs or small-scale projects.

Q: How quickly can you ship after payment?

A: Samples ship within 3–5 days, while bulk orders are delivered in 5–15 days depending on specifications.

Q: How can I verify the bearing's quality upon receipt?

A: Each bearing includes dimensional certification; we also offer third-party inspection services for bulk orders at cost.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.

Quality Assurance
100% Inspection

High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.

Delivery
3-15 Days

Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).

Customization
Full OEM/ODM

P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.

After-Sales
12-Month Warranty

Professional technical guidance and failure solutions from our R&D team.

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