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
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
Mini Deep Groove Ball Bearing 604-609 608zz P0-P4 Precision for High-Speed Applications

Ball Bearing

Mini Deep Groove Ball Bearing 604-609 608zz P0-P4 Precision for High-Speed Applications

<p>Experience smooth, reliable high-speed rotation with our <strong>Mini Deep Groove Ball Bearing</strong>—engineered to deliver consistent performance in precision-critical applications. Crafted with P0-P4 precision grades and Z1V1-Z3V3 vibration control, this 608zz model (8x22x7mm) minimizes noise and maximizes durability, solving common issues with unstable motion in compact machinery.</p><ul><li>High-speed capability meets low noise demands, ideal for 3C devices, small motors, and precision tools</li><li>Available with Zz/2RS seals and grease/oil lubrication options to suit specific operating environments</li><li>Backed by our ISO 9001-certified manufacturing process, ensuring every bearing exceeds industry standards for long service life</li><li>Flexible order support: from single-unit samples to bulk production, with fast 3-5 day turnaround on stock items</li></ul>

View Details
6300-2Z 6301-2Z 6302-2Z 6303-2Z Ball Bearings for High-Speed Motors and Water Pumps

Ball Bearing

6300-2Z 6301-2Z 6302-2Z 6303-2Z Ball Bearings for High-Speed Motors and Water Pumps

<p>Ensure smooth, high-speed rotation for your motors and water pumps with reliable 6300-2Z ball bearings designed to minimize downtime and maximize performance. These single row radial bearings feature 2Z metal shields to keep contaminants out, extending service life in demanding industrial environments.</p><ul><li><strong>Precision-engineered</strong> from high-grade bearing steel (10x35x11mm for 6303-2Z) to maintain stability even under continuous operation</li><li>Optimized for low noise and vibration, ideal for both high-speed motors and water pump applications where quiet performance matters</li><li>Backed by our strict quality control and 12-month warranty, ensuring consistent performance you can trust</li></ul>

View Details
Self Aligning Ball Bearings 2309TNI 95x170x32mm Low-Noise for Motors Automobiles

Ball Bearing

Self Aligning Ball Bearings 2309TNI 95x170x32mm Low-Noise for Motors Automobiles

<p>Ensure smooth, quiet operation for motors and automobiles with our <strong>Self Aligning Ball Bearings 2309TNI 95x170x32mm</strong>, designed to minimize vibration and extend equipment lifespan. Crafted from high-grade bearing steel with precision ratings up to P4 and noise levels optimized for Z2/Z3/Z4 standards, this double-row radial bearing adapts to misalignment (60° contact angle) while maintaining stable performance under heavy loads.</p><ul><li>Steel or brass cage options for durability in automotive and industrial motor applications</li><li>Supports OEM/ODM customization to match specific machinery requirements</li><li>10-15 day delivery ensures minimal downtime for production lines</li><li>Complies with ISO standards for reliable rotation you can trust</li></ul>

View Details
Deep Groove Ball Bearing 6201 10x26x8mm Single Row Radial Bearing Steel for Auto Parts

Ball Bearing

Deep Groove Ball Bearing 6201 10x26x8mm Single Row Radial Bearing Steel for Auto Parts

<p>Ensure smooth, reliable rotation in auto parts with this <strong>Deep Groove Ball Bearing 6201</strong>, crafted to deliver consistent performance under the demanding conditions of vehicle systems. The 10x26x8mm single row radial design, made from high-grade bearing steel, minimizes friction and wear, extending the service life of your machinery while maintaining precision from P0 to P4 grade.</p><ul><li>Engineered for radial load handling, ideal for automotive components requiring stable operation and low noise (Z2-Z4 grade available)</li><li>Strict quality control ensures compliance with ISO standards, addressing common concerns about durability and fit in critical applications</li><li>Flexible order options—including 1 piece MOQ for standard bearings—make it easy to secure the exact parts you need without excess inventory</li></ul>

View Details