Deep Groove Ball Bearing 6321-2RS P0-P4 Precision for Industrial Machinery
Ball Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Ball Bearing Single-Row Deep Groove Ball Bearings

Deep Groove Ball Bearing 6321-2RS P0-P4 Precision for Industrial Machinery

Ensure smooth, long-lasting operation for your industrial machinery with the Deep Groove Ball Bearing 6321-2RS, engineered to deliver P0-P4 precision that minimizes downtime and maximizes productivity. Crafted from high-grade bearing steel with a 0° contact angle, this radial bearing handles heavy radial loads while maintaining consistent performance—ideal for machine tools, textile equipment, and other industrial applications where reliability can’t be compromised.

  • Grease or oil lubrication flexibility adapts to your specific operating conditions, reducing maintenance hassle
  • Z1V1-Z3V3 vibration grades ensure quiet operation, critical for precision machinery environments
  • Unseparated single-row design guarantees easy installation and stable rotation, backed by Saifan’s strict ISO 9001 quality control
  • Supports OEM/ODM customization to meet unique machinery specifications, with fast 3-5 day sample delivery for urgent needs

MOQ

1 Piece

Lead Time

5-15 Days

Warranty

12 Mo.

Precision

P0-P4

Noise Grade

Z2-Z4

Customization

OEM/ODM

  • High-grade chrome steel for long service life
  • Strict raw material inspection & full process monitoring
  • ISO 9001:2015 & ISO 14001 certified
  • ABMA & DIN standards compliant
  • Free samples for qualified distributors
  • T/T, Credit Card & Alibaba payment accepted

Product Details

Product Specifications

Parameter Details
Model NO. 6321-2RS
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
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 105×225×49mm
HS Code 8482102000
Production Capacity 1000000 units

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Printing Presses, Gearboxes
Automotive Electric Motors, Drive Systems
New Energy Wind Turbine Generators, Solar Equipment
Agriculture Harvesters, Tractors
Construction Conveyors, Pumps

Minimize Downtime with Reliable Deep Groove Ball Bearing 6321-2RS for Industrial Machinery

Industrial operations face constant challenges from unexpected equipment failures—especially when bearings underperform. Premature wear, vibration issues, and mismatched precision often lead to costly production halts. Sourcing high-precision bearings that balance durability with quick availability can be a persistent headache for maintenance managers and procurement teams.

Deep Groove Ball Bearing 6321-2RS: Engineered for Industrial Reliability

Our 6321-2RS deep groove ball bearing addresses these pain points with P0-P4 precision ratings and Z2-Z4 noise control, ensuring stable performance in machinery like machine tools and gearboxes. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we deliver consistent quality, supported by a full R&D team and QC lab. Standard items are available with a 1pc MOQ, and samples ship within 3–5 days—perfect for urgent repairs or small-batch testing.

Optimal Performance in Critical Industrial Conditions

This 6321-2RS bearing excels in radial load applications, handling continuous operation in industrial environments. Its single-row design and non-aligning structure make it ideal for high-speed rotating equipment, while the 2RS seal provides effective protection against contaminants—extending service life in dusty or moist conditions. Whether powering conveyor systems or precision printing presses, it maintains stability under varying temperatures and load demands.

Technical Specifications That Drive Machinery Efficiency

The 6321-2RS bearing’s 105×225×49mm dimensions balance load capacity with compact design, fitting seamlessly into standard industrial setups. Precision ratings from P0 (general purpose) to P4 (high precision) allow customization for specific machinery requirements—P4 grade, for example, minimizes runout in CNC machine spindles, reducing vibration and improving workpiece accuracy. Vibration grades Z1V1 to Z3V3 further ensure quiet operation, critical for noise-sensitive production floors. Constructed from high-quality bearing steel, it delivers long-term durability even under heavy loads.

Why Genuine Precision Matters More Than Cost

Choosing substandard bearings may cut initial costs, but the hidden expenses of frequent replacements, unplanned downtime, and damaged equipment quickly add up. Our 6321-2RS bearing, backed by 12-month global warranty, eliminates these risks. Each unit undergoes strict quality checks, from raw material inspection to final performance testing, ensuring compliance with international standards. For industrial machinery makers, this means fewer breakdowns, lower maintenance costs, and consistent production output—ultimately reducing total cost of ownership.

Your Trusted Partner for Bearing Solutions

With 18 years of experience serving global buyers across Europe, America, and Southeast Asia, Jinan Saifan Bearing has built a reputation for reliability. Our OEM/ODM capabilities support custom specs, while bulk delivery within 5–15 days ensures minimal lead times. We offer free technical guidance to help you select the right bearing for your application, and our defect replacement policy provides peace of mind. As a certified supplier, we prioritize transparency—every bearing can be traced through our quality control system, ensuring you receive exactly what you ordered.

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 express (DHL/FedEx/UPS)
  • Real-time tracking provided for all shipments
  • 1pc MOQ available for standard items, supporting emergency repairs and small orders

Get Your 6321-2RS Bearing Shipped Today

Don’t let equipment downtime affect your bottom line. Whether you need a single replacement bearing or a bulk order for production, we’re ready to fulfill your request. Send us your bearing model, application details, and quantity, and our team will provide a quote within 24 hours. With fast shipping and expert support, we help you get back to full operation quickly.

Frequently Asked Questions

Q: Is this bearing genuine and traceable?

A: Yes, we maintain strict quality control and supply chain transparency. Each bearing is manufactured in our ISO-certified facility and can be traced through our QC system.

Q: How do I confirm if the 6321-2RS fits my machinery?

A: Provide your equipment model or technical specifications (load, speed, operating conditions), and our engineering team will verify compatibility free of charge.

Q: What is the warranty policy?

A: We offer a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded at no cost.

Q: What is the minimum order quantity?

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

Q: How long does shipping take?

A: Samples ship in 3–5 days, bulk orders in 5–15 days. We offer flexible shipping options to meet your timeline.

Q: Can I request custom specifications?

A: Yes, we provide full OEM/ODM customization, including precision grades, seals, and lubrication, to meet your specific requirements.

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

Tags: 6321-2RS 6321-2RS Bearing for Machinery 6321-2RS P0-P4 Industrial Use deep groove ball bearing Deep Groove Ball Bearing 6321-2RS High Precision Ball Bearing P4 Industrial Machinery Bearing P0-P4 Precision Bearing
Fast Response · Within 24 Hours

Request a Quote for
This Product

Tell us your requirements -- quantity, specifications, or customization needs. Our team will respond with a competitive quote within 24 hours.

01

Submit Inquiry

Fill in your product requirements and contact details.

02

Confirm Parameters

Our team confirms specs, quantity, and arranges samples.

03

Receive Quotation

Get a detailed PI with competitive pricing and trade terms.

04

Place Order

Complete payment and we arrange production & delivery.

Product Inquiry Form

By submitting, you agree to be contacted by our sales team. We respect your privacy.

Related Products

More products from the same category

View All
Low Vibration Deep Groove Ball Bearing 6028-RS 6028-2RS for Industrial Machinery

Ball Bearing

Low Vibration Deep Groove Ball Bearing 6028-RS 6028-2RS for Industrial Machinery

<p>Ensure smooth, precise rotation in your industrial machinery with the <strong>Low Vibration Deep Groove Ball Bearing 6028-RS 6028-2RS</strong>, designed to minimize operational noise and extend equipment lifespan. Crafted from high-grade bearing steel with a 0° contact angle, this single-row radial bearing delivers exceptional radial load capacity while maintaining stability—critical for high-performance machinery like machine tools and textile equipment.</p><ul><li>Precision-engineered dimensions (140*210*33mm) ensure seamless integration into existing setups, reducing downtime from misalignment issues</li><li>RS/2RS sealing options provide reliable protection against contaminants, ideal for harsh industrial environments where maintenance access is limited</li><li>Backed by Saifan’s strict quality control and 12-month warranty, this 6028 deep groove ball bearing balances durability and cost-effectiveness for long-term operational efficiency</li></ul>

View Details
Deep Groove Ball Bearing 694 Gcr15 P0-P4 Precision for Industrial Machinery

Ball Bearing

Deep Groove Ball Bearing 694 Gcr15 P0-P4 Precision for Industrial Machinery

<p>Ensure smooth, precise rotation for your industrial machinery with our <strong>Deep Groove Ball Bearing 694 Gcr15 P0-P4 Precision</strong>—engineered to minimize downtime and enhance operational reliability. Crafted from high-grade Gcr15 bearing steel, this 4x11x4 radial bearing delivers consistent performance across P0 to P4 precision grades, making it ideal for demanding applications where accuracy and durability are non-negotiable.</p><ul><li>Single-row design with Zz 2RS Open seals options to suit your lubrication needs (grease or oil), ensuring long service life even in tough working conditions</li><li>Backed by our ISO 9001:2015 certified manufacturing process, guaranteeing stable quality and compliance with global industrial standards</li><li>Flexible customization available (OEM/ODM) to match your specific machinery requirements, supported by our responsive technical team for seamless integration</li></ul>

View Details
Deep Groove Ball Bearings 6707-2RS 6807-2RS 6907-2RS 6819-2RS 6919-2RS P0-P4 Precision for Industrial Machinery

Ball Bearing

Deep Groove Ball Bearings 6707-2RS 6807-2RS 6907-2RS 6819-2RS 6919-2RS P0-P4 Precision for Industrial Machinery

<p>Ensure smooth, precise rotation for your industrial machinery with our <strong>Deep Groove Ball Bearings</strong>—engineered to deliver consistent performance across 6707-2RS, 6807-2RS, 6907-2RS, 6819-2RS, and 6919-2RS models. Crafted from high-grade bearing steel with P0-P4 precision and Z1V1-Z3V3 vibration control, these single-row, non-aligning bearings minimize downtime by handling radial loads with exceptional durability, even in demanding工况.</p><ul><li>Grease or oil lubrication flexibility adapts to your maintenance routine, while the 2RS seal design keeps contaminants out for extended service life</li><li>Unseparated structure ensures easy installation and stable operation, critical for machine tools, textile equipment, and other industrial applications</li><li>Backed by our ISO 9001:2015 quality certification and 12-month warranty, so you can focus on production without worrying about component reliability</li></ul>

View Details
6803 Zz 2RS DDU Deep Groove Ball Bearing 17x26x5mm for Industrial Machinery P0-P4 Precision

Ball Bearing

6803 Zz 2RS DDU Deep Groove Ball Bearing 17x26x5mm for Industrial Machinery P0-P4 Precision

<p>Keep your industrial machinery running smoothly with the reliable 6803 deep groove ball bearing, engineered to deliver consistent performance in demanding applications. This 17x26x5mm bearing combines precision (P0-P4 grades) with versatile sealing options (Zz, 2RS, DDU) to minimize downtime and extend equipment life—perfect for those seeking a balance of durability and cost-effectiveness.</p><ul><li><strong>High-grade bearing steel</strong> construction ensures stable rotation under radial loads, while Z1V1-Z3V3 vibration control reduces noise in precision setups</li><li>Flexible lubrication options (grease or oil) adapt to your specific operating conditions, from heavy-duty manufacturing to high-speed machinery</li><li>Single-row, non-aligning design maintains alignment in standard mounting configurations, ideal for OEM/ODM integration or replacement needs</li></ul>

View Details