Saifan Bearing
Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision
Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision
Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision
Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision
Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision
Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision
Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision
Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision
Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision
Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision
In Stock · Ready to Ship

Deep Groove Ball Bearings Koyo 6004 20x42x12mm for Electric Motor with P0-P4 Precision

SKU: 4b7ab47c4599

Ensure smooth, quiet operation for your electric motor with our Deep Groove Ball Bearings Koyo 6004, engineered to deliver consistent performance even under continuous use. Precision-machined to P0-P4 standards and sized at 20x42x12mm, these bearings minimize vibration (Z1V1-Z3V3) and extend motor lifespan, tackling the common challenge of premature wear in high-demand applications.

  • Available with Zz, 2RS, or Open seals to suit your lubrication needs (grease or oil), ensuring a perfect fit for diverse motor configurations
  • Backed by Saifan's strict quality control and 12-month warranty, offering peace of mind for both OEM projects and replacement parts
  • Flexible order options from single units to bulk production, with fast 3-5 day sample delivery to keep your operations on track
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. 6004
Seals Type Zz, 2RS, Open
Lubrication Grease or Oil
Precision Rating P0, P6, P5, P4
Vibration Z1V1, Z2V2, Z3V3
Service OEM, ODM
Specification 20*42*12mm
Trademark koyo
Origin China
HS Code 8482102000

Application Industries

Industry Typical Equipment
Manufacturing Electric Motors, Pumps, Fans, Conveyors
Automotive Electric Vehicle Auxiliary Motors, Power Steering Systems
Home Appliances Washing Machines, Air Conditioner Compressors
New Energy Solar Panel Tracking Systems, Small Wind Turbines

Prevent Costly Downtime with Reliable Deep Groove Ball Bearings Koyo 6004

Electric motor failures often trace back to substandard bearings—premature wear, excessive noise, and unexpected shutdowns disrupt production schedules and inflate maintenance costs. Sourcing genuine high-precision bearings with consistent quality can be challenging, especially when balancing MOQ requirements and delivery timelines.

Genuine Koyo 6004 Bearings for Uninterrupted Electric Motor Performance

Our Deep Groove Ball Bearings Koyo 6004 address these pain points with precision-engineered solutions for electric motors. As a professional bearing supplier with decades of export experience, we ensure each 20x42x12mm bearing meets P0-P4 precision standards, supporting stable operation in demanding industrial environments. Whether you need open, Zz shielded, or 2RS sealed variants, our灵活 MOQ policy (1 piece for standard bearings) and 3-5 day sample delivery keep your production on track.

Optimized Performance in Critical Electric Motor Applications

This Koyo 6004 bearing excels in high-speed electric motor scenarios, where its 20mm bore diameter and 42mm outer diameter balance load capacity with compact design. The 12mm width provides rigid support for rotating shafts, while Z2-Z3-Z4 vibration grades minimize noise in residential and commercial appliances. In automotive auxiliary motors, the bearing’s grease lubrication ensures reliable performance across temperature fluctuations, reducing the need for frequent maintenance.

Technical Specifications That Drive Motor Efficiency

Precision rating directly impacts motor performance: P4 grade bearings reduce rotational runout by up to 50% compared to standard P0, enhancing energy efficiency and extending motor lifespan. The Z3V3 vibration class limits operational noise to below 45dB, critical for office equipment and household appliances. Seal options cater to specific environments—2RS seals offer superior dust and moisture resistance for outdoor applications like agricultural irrigation motors, while open designs optimize heat dissipation in high-temperature industrial settings.

Avoid Hidden Costs of Counterfeit Bearings

Non-genuine Koyo bearings may save upfront costs but often fail within 3-6 months, leading to motor breakdowns that cost 10x the bearing price in repairs and downtime. Our products adhere to ISO 9001:2015 quality standards, with full-process production supervision and dimensional testing in our in-house laboratory. Each bearing undergoes noise and vibration testing to ensure compliance with ABMA and DIN specifications, delivering predictable performance and lowering total cost of ownership.

Why Global Buyers Choose Our Bearings

With 18 years of manufacturing experience, we serve brand owners and industrial buyers across Europe, North America, and Southeast Asia. Our ISO 14001 environmental certification ensures sustainable production practices, while our professional R&D team provides free technical guidance on bearing selection and installation. We maintain large inventories to support bulk orders with 5-15 day delivery, and offer a 12-month warranty with free replacement for qualified defective products—no hidden clauses, just reliable service.

Packaging & Shipping

  • Carton and pallet packaging with protective inner layers to prevent damage during transit
  • Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
  • Multiple logistics options including DHL, FedEx, UPS, air freight, and sea freight
  • Real-time tracking numbers provided once shipment is dispatched
  • 1 piece MOQ for standard bearings, ideal for emergency repairs or small-batch testing

Secure Your Electric Motor Performance Today

Delayed bearing replacement means increased risk of motor failure and production losses. Send us your required quantity, seal type, and precision grade, and our team will confirm stock availability and provide a detailed quote within 24 hours. Keep your equipment running with bearings you can trust.

Frequently Asked Questions

Q: Are these genuine Koyo bearings?

A: Yes, we supply genuine original Koyo bearings sourced through authorized channels, with full traceability documentation available upon request.

Q: How do I confirm if the 6004 bearing fits my electric motor?

A: Provide your motor model or shaft diameter, load requirements, and operating speed. Our technical team will verify compatibility and recommend the optimal seal and precision grade.

Q: What is your warranty policy?

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

Q: What is the minimum order quantity?

A: We accept 1 piece MOQ for standard 6004 bearings, with no MOQ for sample orders to facilitate quality testing.

Q: How long does shipping take to Europe?

A: Sample orders to Europe typically arrive in 3-5 working days via DHL/FedEx; bulk orders take 5-10 working days depending on quantity and shipping method.

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

A: Each Koyo bearing features laser-etched branding and packaging with anti-counterfeit labels. We provide batch test reports and certification documents for traceability.

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.

You May Also Need

Related Bearings

View All Ball Bearing
High Quality Deep Groove Ball Bearing 16056 16060 16064 for Industrial Machinery

High Quality Deep Groove Ball Bearing 16056 16060 16064 for Industrial Machinery

¥0.85
Deep Groove Ball Bearing 6207 6207R for Household Appliances Internal Combustion Engine

Deep Groove Ball Bearing 6207 6207R for Household Appliances Internal Combustion Engine

¥0.55
Thrust Ball Bearing 51122 51222 51322 51124 51224 P0-P4 Precision for Industrial Machinery

Thrust Ball Bearing 51122 51222 51322 51124 51224 P0-P4 Precision for Industrial Machinery

¥1.50
Deep Groove Ball Bearings with ZZ/2RS Seals for Industrial Machinery Applications

Deep Groove Ball Bearings with ZZ/2RS Seals for Industrial Machinery Applications

¥1.50
Industry Insights

Latest from Our Blog

All Articles
Thrust Ball Bearing Sweden Import Duty: Wholesale Supplier
Jul 27, 2026

Thrust Ball Bearing Sweden Import Duty: Wholesale Supplier

Master Sweden import duty thrust ball bearing costs by understanding that zero percent EU tariffs still incur twenty-five percent VAT. Avoid costly customs delays at Gothenburg port through accurate HS code 8482.50 classification and complete origin documentation to protect your distribution margins.

Read Article
Global Spherical Roller Bearing Market Outlook 2026 Wholesale Supplier
Jul 27, 2026

Global Spherical Roller Bearing Market Outlook 2026 Wholesale Supplier

Navigate the Global Spherical Roller Bearing Market 2026 by addressing the structural divergence between wind energy precision and mining durability needs. Learn how quality control bottlenecks drive lead time volatility and why adopting mixed-brand sourcing strategies is essential for mitigating inventory risks in a fluctuating supply chain.

Read Article
China Deep Groove Ball Bearing Wholesale Supplier 2026
Jul 27, 2026

China Deep Groove Ball Bearing Wholesale Supplier 2026

Discover how China Deep Groove Ball Bearing Manufacturing Trends 2026 shift focus from price to reliability through advanced anti-corrosion packaging and strict batch consistency. Learn why moisture control and traceable steel sourcing are critical for reducing total cost of ownership in global exports.

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