Durable Deep Groove Ball Bearing 61904NR 61904-ZN 61904-ZNR 20x37x9mm for Industrial Machinery
Ball Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Ball Bearing Single-Row Deep Groove Ball Bearings

Durable Deep Groove Ball Bearing 61904NR 61904-ZN 61904-ZNR 20x37x9mm for Industrial Machinery

Ensure smooth, long-lasting operation for your industrial machinery with this Durable Deep Groove Ball Bearing 61904, precision-engineered to deliver reliable performance in demanding applications. The 20x37x9mm规格 (20x37x9mm) ensures perfect fit for machinery requiring radial load support, while the single-row design and 0° contact angle optimize stability during high-speed rotation.

  • Constructed with high-grade bearing steel for extended service life, reducing unexpected downtime and maintenance costs
  • Available in 61904NR, 61904-ZN, and 61904-ZNR variants to match specific sealing and retention needs of industrial equipment
  • Complies with strict quality standards to ensure consistent performance, backed by our expertise in powering global mechanical motion

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. 61904NR, 61904-ZN, 61904-ZNR
Type Deep Groove Ball Bearing
Rows Number Single
Load Direction Radial Bearing
Material Bearing Steel
Contact Angle 0°
Specification (d x D x B) 20x37x9mm
Origin Germany, Sweden, Japan
HS Code 8482102000

Application Industries

Industry Typical Equipment
Industrial Machinery CNC Machine Tools, Gearboxes, Electric Motors
Manufacturing Conveyors, Pumps, Fans
Automotive Parts Transmission Systems, Auxiliary Equipment
Agricultural Machinery Tractor Components, Harvester Drivetrains

Minimize Downtime with Reliable 61904 Deep Groove Ball Bearings for Industrial Machinery

Industrial operations face constant challenges from unexpected equipment failures—especially when critical components like bearings fail prematurely. Many manufacturers struggle with sourcing authentic bearings that meet precision requirements, or face rigid minimum order quantities that delay maintenance. Mismatched bearings not only shorten service life but also increase energy consumption, eating into production efficiency and profits.

Genuine Deep Groove Ball Bearings Delivered When You Need Them

Our 61904NR, 61904-ZN, and 61904-ZNR deep groove ball bearings address these pain points with reliable performance and flexible supply. As a professional bearing supplier with decades of export experience, we stock standard bearings with a 1-piece MOQ, ensuring you can secure even single units for emergency repairs. Each bearing is manufactured to P0-P4 precision grades and Z2-Z4 noise standards, making them ideal for industrial machinery where smooth operation and durability are non-negotiable.

Engineered for Continuous Industrial Performance

These 20x37x9mm deep groove ball bearings excel in radial load applications, supporting machinery in continuous operation across manufacturing, automotive, and agricultural sectors. With a contact angle of 0°, they handle pure radial loads efficiently, making them suitable for high-speed rotating components like electric motor shafts and gearbox assemblies. The single-row design balances load capacity and compact size, fitting seamlessly into space-constrained equipment without compromising on stability.

Technical Features That Ensure Longevity

Crafted from high-grade bearing steel, these bearings offer exceptional wear resistance and structural integrity, critical for withstanding the harsh conditions of industrial environments. The precision-machined raceways minimize friction, reducing heat generation during high-speed rotation and extending service life. Available with different seal configurations (NR, ZN, ZNR), they provide varying levels of protection against contaminants—essential for preventing premature failure in dusty or moist work settings. Each bearing undergoes rigorous dimensional and performance testing, ensuring compliance with ISO industrial standards.

The Hidden Costs of Substandard Bearings

Choosing uncertified bearings may seem cost-effective initially, but the long-term consequences are costly. Counterfeit or low-quality bearings often fail within months, leading to unplanned downtime, expensive repairs, and potential damage to adjacent components. In contrast, our genuine 61904 series bearings, sourced from reputable origins like Germany, Sweden, and Japan, deliver consistent performance. Backed by a 12-month warranty, they reduce total cost of ownership by minimizing replacement frequency and maximizing equipment uptime—critical for maintaining production schedules and profitability.

Why Industrial Buyers Choose Our Bearings

With ISO 9001:2015 and ISO 14001 certifications, we adhere to strict quality management systems from raw material inspection to final product testing. Our in-house laboratory conducts comprehensive performance tests, including noise and vibration analysis, to ensure every bearing meets specifications. We serve over 50 countries across Europe, North America, and Southeast Asia, supported by a professional technical team that provides free guidance on selection, installation, and maintenance. For distributors and wholesalers, we offer free samples (freight borne by the customer) to verify quality before bulk orders, with bulk shipments delivered in 5-15 working days.

Packaging & Shipping

  • Securely packed in original packaging with protective labeling
  • Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
  • Multiple logistics options: DHL, FedEx, UPS, air freight, and sea freight
  • Real-time tracking provided for all shipments
  • Flexible order quantities: 1 piece MOQ for standard bearings

Get Your 61904 Bearing Today

Don’t let bearing issues disrupt your production. Whether you need a single 61904-ZN for emergency repair or bulk 61904NR bearings for scheduled maintenance, we ensure prompt delivery and reliable performance. Share your bearing model, application details, and quantity requirements, and our team will provide a tailored quote within 24 hours.

Frequently Asked Questions

Q: Are these genuine original bearings?

A: Yes, we supply genuine original bearings sourced from reputable manufacturers. Each product can be traced to its origin, and we provide documentation to verify authenticity upon request.

Q: How do I confirm if the 61904 bearing fits my equipment?

A: Provide your equipment model or specific dimensional requirements (bore diameter, outer diameter, width), and our technical team will verify compatibility free of charge.

Q: What is the warranty policy for these bearings?

A: All bearings come with a 12-month warranty from the date of receipt. Defective products due to manufacturing issues will be replaced free of charge or refunded.

Q: What is the minimum order quantity?

A: We offer a 1-piece MOQ for standard bearings, supporting both emergency repairs and small-batch purchases.

Q: How long does shipping take?

A: Sample orders are shipped within 3-5 working days, while bulk orders typically take 5-15 working days. Logistics time depends on the selected shipping method.

Q: How can I verify the authenticity of the bearings?

A: Authentic bearings feature original packaging with manufacturer logos, laser-etched part numbers, and serial codes that can be verified through official channels. We also provide certificates of authenticity for bulk orders.

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

Tags: 20x37x9mm Bearing 61904 Bearing 61904-ZN Bearing for Machinery 61904NR Radial Ball Bearing deep groove ball bearing Durable Deep Groove Ball Bearing 61904 High Precision 61904-ZNR Bearing Industrial Machinery 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
Deep Groove Ball Bearing 6036 2RS DDU for Packaging & Food Machinery Equipment

Ball Bearing

Deep Groove Ball Bearing 6036 2RS DDU for Packaging & Food Machinery Equipment

<p>Ensure smooth, reliable operation in your packaging and food machinery with our <strong>Deep Groove Ball Bearing 6036 2RS DDU</strong>. Engineered to minimize downtime and maintain precision under continuous use, this bearing delivers consistent performance that keeps your production line running efficiently.</p><ul><li>Single-row radial design with 2RS/DDU seals prevents contamination, ideal for food processing environments where cleanliness is critical</li><li>High-grade bearing steel construction ensures long service life even in high-speed applications, reducing replacement frequency and maintenance costs</li><li>Unseparated structure guarantees easy installation and stable load distribution, supporting seamless integration into existing equipment</li></ul>

View Details
Self Aligning Ball Bearings 1306 1306TNI for Metallurgy Rolling Mills Petroleum Industry

Ball Bearing

Self Aligning Ball Bearings 1306 1306TNI for Metallurgy Rolling Mills Petroleum Industry

<p>Ensure smooth, reliable rotation in your metallurgy rolling mills and petroleum industry equipment with our <strong>Self Aligning Ball Bearings 1306 1306TNI</strong>. Designed to handle radial loads and misalignment, these double-row bearings minimize downtime and maintenance costs in heavy-duty applications.</p><ul><li>Precision-engineered with P0-P4 grades and C0/C3/C4 clearance options to meet strict operational demands</li><li>60° contact angle enhances load distribution, ideal for high-stress industrial environments</li><li>Durable steel or brass cage construction ensures long service life even under extreme conditions</li><li>Quick 10-15 day delivery keeps your production on schedule, backed by our ISO-certified quality commitment</li></ul>

View Details
Deep Groove Ball Bearing 60/28 62/28 63/28 Zz 2RS DDU for Internal Combustion Engine, Transportation Vehicles

Ball Bearing

Deep Groove Ball Bearing 60/28 62/28 63/28 Zz 2RS DDU for Internal Combustion Engine, Transportation Vehicles

<p>Enhance machinery reliability with our precision-engineered <strong>Deep Groove Ball Bearing</strong> series, designed to deliver smooth rotation and extended service life for internal combustion engines and transportation vehicles. Crafted from high-grade bearing steel, these 60/28, 62/28, and 63/28 models (available with Zz, 2RS, or DDU seals) ensure minimal friction and optimal performance even under demanding conditions.</p><ul><li>Single-row radial design handles radial loads efficiently, reducing wear on engine components and vehicle drivetrains</li><li>Precision-machined 10*26*8mm dimensions guarantee seamless integration with standard equipment, eliminating fitment delays</li><li>Sealed variants (2RS/DDU) protect against contaminants, lowering maintenance needs and ensuring consistent operation in harsh environments</li></ul>

View Details
Deep Groove Ball Bearing 60/710n1/C3 NTN Low Noise for Auto Parts 710x1030x140mm

Ball Bearing

Deep Groove Ball Bearing 60/710n1/C3 NTN Low Noise for Auto Parts 710x1030x140mm

<p>Keep your auto parts running smoothly with this <strong>Deep Groove Ball Bearing 60/710n1/C3 NTN</strong>—engineered to minimize noise and maximize durability in critical automotive applications. Measuring 710x1030x140mm, this single-row radial bearing delivers consistent performance under radial loads, ensuring reliable rotation even in high-stress conditions.</p><ul><li>Low noise design (C3 clearance) reduces operational sound, enhancing driving comfort while maintaining precision</li><li>Constructed with high-grade bearing steel for extended service life, addressing the need for long-lasting components in demanding automotive environments</li><li>Trusted NTN quality ensures compatibility with auto parts, backed by Saifan’s commitment to stable supply and strict quality control</li></ul>

View Details