Saifan Bearing
6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm
6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm
6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm
6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm
6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm
6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm
6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm
6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm
6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm
6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm
In Stock · Ready to Ship

6308 Zz 2RS Deep Groove Ball Bearing P0-P4 Precision for Industrial Machinery 40x90x23mm

SKU: 376d629e07d1

Ensure smooth, precise rotation for your industrial machinery with this 6308 deep groove ball bearing, engineered to deliver reliable performance even under demanding conditions. Crafted with high-grade bearing steel and available in P0-P4 precision grades, it minimizes vibration (Z1V1-Z3V3) and extends equipment lifespan, addressing common concerns about operational stability and maintenance costs.

  • 40x90x23mm dimensions with Zz/2RS seals for versatile protection against contaminants, ideal for machine tools, conveyors, and textile equipment
  • Supports both grease and oil lubrication to adapt to your specific application needs, ensuring optimal friction reduction
  • Backed by Saifan’s ISO 9001-certified quality control and 12-month warranty, offering peace of mind for long-term operations
Factory Price
¥1.50
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. 6308
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 40×90×23mm
Trademark BDL
Origin China
HS Code 8482102000

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Printing Presses, Reducers
Automotive Wheel Hubs, Electric Motors
Agriculture Harvesters, Tractors
Home Appliances Washing Machines, Refrigeration Compressors
New Energy Wind Turbines, Solar Panel Tracking Systems

Minimize Downtime with Reliable 6308 Deep Groove Ball Bearings for Industrial Machinery

Industrial operations face critical losses when equipment fails prematurely—often due to low-quality bearings that compromise precision and durability. Many manufacturers struggle with inconsistent supply, long lead times for custom specifications, and uncertainty about product authenticity. When a 6308 bearing fails in a machine tool or conveyor system, the cost of downtime can far exceed the initial savings from cheap alternatives.

6308 Deep Groove Ball Bearings: Engineered for Stable Performance

Our 6308 deep groove ball bearing addresses these challenges with P0-P4 precision ratings and Zz/2RS seal options, designed to meet the rigorous demands of industrial machinery. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure consistent quality through full in-house R&D and QC processes. Whether you need standard 40x90x23mm dimensions or custom lubrication solutions, our flexible production supports both OEM/ODM requirements and small-batch orders—with 1pc MOQ for standard items and 3–5 day sample lead times.

Optimal Performance in Critical Industrial Applications

This 6308 bearing excels in radial load scenarios typical of machine tools, printing presses, and reducers, where smooth rotation and low noise are essential. With vibration grades up to Z3V3, it minimizes operational noise in precision equipment, while its single-row, non-aligning design ensures stability in high-speed applications. The bearing steel construction provides durability for heavy-load operations, making it suitable for agricultural machinery like tractors and industrial conveyors where wear resistance is critical.

Technical Features That Drive Reliability

The precision rating (P0-P4) directly impacts operational accuracy: P4 grade bearings reduce runout and vibration, ideal for CNC machine spindles requiring tight tolerances. Seal options Zz (metal shield) and 2RS (rubber seal) balance protection and friction—Zz shields excel in high-temperature environments, while 2RS seals offer superior dust and moisture resistance for outdoor or dirty applications. Vibration classes Z1V1 to Z3V3 ensure compatibility with noise-sensitive equipment, from家电 motors to medical devices. The 0° contact angle optimizes radial load capacity, a key factor in extending bearing life under continuous operation.

Why Authentic Bearings Lower Total Costs

Counterfeit bearings often fail within months, leading to unplanned downtime, repair costs, and potential damage to mating components. A single bearing failure in a production line can cost thousands in lost output. Our 6308 bearings, backed by a 12-month global warranty, eliminate these risks. We source raw materials through stable supply chains and conduct stringent quality checks, ensuring each bearing meets ISO standards. While cheaper alternatives may seem attractive upfront, the long-term reliability of authentic bearings reduces total cost of ownership by minimizing replacements and downtime.

Your Trusted Bearing Partner Since 2005

With over 18 years of experience serving global markets across Europe, America, and Southeast Asia, Jinan Saifan Bearing combines manufacturing expertise with customer-centric service. Our 100,000+ monthly production capacity ensures stable supply, even for bulk orders, while free technical guidance helps you select the right bearing for your application. We offer defect replacement and refund policies, and our support team provides post-sales assistance to resolve any issues. All products are traceable through our quality management system, giving you confidence in every order.

Packaging & Shipping

  • Secure carton and pallet packaging to prevent damage during transit
  • Sample lead time: 3–5 days for standard specifications
  • Bulk delivery: 5–15 days, with flexible shipping via air, sea, or courier (DHL/FedEx/UPS)
  • Real-time tracking provided for all shipments
  • 1pc MOQ available for emergency repairs or small-batch testing

Get Your 6308 Bearing Shipped Today

Don’t let equipment downtime affect your production schedule. Contact us with your bearing model, required precision grade, and quantity, and we’ll provide a quote within 24 hours. With free samples (buyer covers freight) and fast delivery, we make it easy to verify performance before committing to bulk orders. Ensure your machinery runs smoothly—order your 6308 deep groove ball bearings now.

Frequently Asked Questions

Q: Are these bearings authentic and traceable?

A: Yes, all our bearings are manufactured in-house under ISO9001/ISO14001 standards, with full traceability from raw materials to production. We provide quality certificates upon request.

Q: How do I confirm if the 6308 bearing fits my equipment?

A: Share your equipment model, operating speed, load conditions, and required precision grade. Our technical team will verify compatibility and recommend the optimal seal type and lubrication.

Q: What is your warranty policy?

A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal use, we provide free replacement or a full refund.

Q: What is the minimum order quantity?

A: Standard 6308 bearings have a 1pc MOQ, supporting emergency repairs and small-batch orders. Custom OEM/ODM orders may have different requirements based on specifications.

Q: How quickly can you ship?

A: Samples ship within 3–5 days, and bulk orders within 5–15 days. We offer expedited shipping options for urgent needs.

Q: Can you provide technical support for installation

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.

You May Also Need

Related Bearings

View All Ball Bearing
Self Aligning Ball Bearings 1308 1308tni for Metallurgy Rolling Mills with P0-P4 Precision

Self Aligning Ball Bearings 1308 1308tni for Metallurgy Rolling Mills with P0-P4 Precision

¥1.05
1604 Open Ball Bearing 9.525X22.225X7.144mm for Auto Agricultural Machinery

1604 Open Ball Bearing 9.525X22.225X7.144mm for Auto Agricultural Machinery

¥0.35
High Precision Deep Groove Ball Bearing 629/9-Z 9x20x6mm for Industrial Machinery

High Precision Deep Groove Ball Bearing 629/9-Z 9x20x6mm for Industrial Machinery

¥1.50
Deep Groove Ball Bearing 6092 460x680x100mm for Auto Parts NTN High Precision

Deep Groove Ball Bearing 6092 460x680x100mm for Auto Parts NTN High Precision

¥0.65
Industry Insights

Latest from Our Blog

All Articles
How to Pick Easy-Assembly Split Bearing Housings from China Suppliers?
Jul 07, 2026

How to Pick Easy-Assembly Split Bearing Housings from China Suppliers?

Split Bearings for Sale: How to Pick Easy-Assembly Housing Options from China Bearing Suppliers 85% of common industrial split bearing applications fit stock standardized housing sizes, eliminating the need for custom machining. If you’re sourcing split bearings for urgent equipment replacement, bulk procurement or planned maintenance, you’ve probably spent hours comparing custom machining quotes, waiting […]

Read Article
How to Source Reliable Clutch Release Bearing Wholesale Suppliers in China?
Jul 07, 2026

How to Source Reliable Clutch Release Bearing Wholesale Suppliers in China?

How to Source Reliable Clutch Release Bearings for Automotive Aftermarket Wholesale in China Lower-priced aftermarket clutch release bearings do not always have shorter service lives. Many global aftermarket buyers default to assuming that cost cuts directly correspond to performance tradeoffs, but this common misconception overlooks the core production and quality control standards that actually define […]

Read Article

Need a Custom Solution?

Our R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.

WhatsApp Us Send Inquiry