Pillow Block Bearing
Koyo 6004 Deep Groove Ball Bearings for Electric Motor
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

Koyo 6004 Deep Groove Ball Bearings for Electric Motor

Keep your electric motor running smoothly and efficiently with Koyo 6004 Bearings, engineered to deliver reliable performance under high-load conditions. The deep groove raceway design ensures consistent operation, reducing unexpected downtime and extending your equipment’s service life.

  • Precision-rated (P0-P4) bearing steel construction minimizes vibration (Z1V1-Z3V3) for quieter, more stable motor function
  • Flexible lubrication options (grease or oil) adapt to your specific operating environment
  • Rich stock availability means quick shipping—get the parts you need without unnecessary delays

Technical Specifications
Product Name
Koyo 6004 Deep Groove Ball Bearings for Electric Motor
Category
Pillow Block Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

Product Specifications

Parameter Details
Model NO. UK309
Product Name Insert Bearing
Feature High Load
Specification 65*120*65.1 mm
Material Bearing Steel
Rows Number Single
Raceway Deep Groove Raceway
Bearing Block Model F
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4
Vibration Z1V1 Z2V2 Z3V3
Stock Rich Stocks
Trademark FYH
Origin China
HS Code 8483200000

Application Suitability

Industry Typical Applications
Electric Motors Rotating shafts, drive systems
Automation Equipment Conveyor systems, mechanical actuators
Industrial Machinery Pumps, gearboxes, power transmission units

Struggling with Bearing Reliability in Electric Motors? Here’s What to Consider

Many electric motor operators face unexpected downtime due to bearing failures—often caused by misalignment, incorrect lubrication, or substandard materials. Sourcing the right replacement can be equally challenging with countless models and brands on the market. As a professional with years in bearing supply, we understand the frustration of matching specifications across different manufacturers.

Designed for High Load Performance in Electric Motors

This Koyo 6004 Deep Groove Ball Bearing addresses these challenges with its high load capacity and deep groove raceway design, ensuring stable operation in electric motor applications. Our ISO 9001 certified processes guarantee consistent quality, while our extensive inventory of both international and domestic brands means we can quickly fulfill orders for this specific model or help find equivalents if needed.

Optimal Conditions for This Deep Groove Ball Bearing

Ideal for electric motors operating under moderate to high radial loads, this bearing excels in continuous rotation scenarios with speeds up to standard industrial limits. The single row deep groove construction provides excellent axial load support in both directions, making it suitable for applications where shaft alignment may have minor deviations. Its bearing steel material ensures durability in typical workshop temperatures and moderately dusty environments.

Key Engineering Features That Impact Performance

The 65*120*65.1 mm dimensions follow international standards, ensuring interchangeability with major brand equivalents—a critical factor when replacing worn bearings in existing equipment. The availability of precision ratings from P0 to P4 allows selection based on application requirements: P0 for general industrial use, P5/P4 for higher speed or accuracy needs. Vibration classes Z1V1 to Z3V3 provide options for noise-sensitive environments, with higher Z/V ratings reducing operational sound levels. The bearing block model F offers compatibility with standard pillow block housings, simplifying installation and replacement.

Why Proper Bearing Selection Reduces Long-Term Costs

Choosing the right bearing directly affects total operational expenses. A bearing with insufficient load capacity or improper precision can lead to premature failure, resulting in motor downtime, repair labor costs, and potential damage to adjacent components. This deep groove ball bearing’s high load feature and multiple precision options help avoid these issues by matching performance to application demands. Following ISO 281 fatigue life standards, it delivers predictable service intervals, allowing for planned maintenance rather than emergency repairs—ultimately lowering overall equipment ownership costs.

Quality Assurance You Can Trust

Our manufacturing and testing processes adhere to ISO 9001 standards, including rigorous inspection of raw bearing steel materials and finished products. Each bearing undergoes dimensional accuracy checks, hardness testing, and surface treatment verification before shipment. We provide a warranty against manufacturing defects, with clear terms for replacement or refund if issues arise. With access to both our own brand and major international brands like Koyo, we can supply bearings according to your specific brand preferences or technical requirements. Our rich stock levels ensure most standard models are available for immediate dispatch.

Packaging & Shipping

  • Packaged in cartons with pallet options for bulk orders
  • Available from rich stock for prompt shipment
  • Transport options include sea freight for large quantities and air freight for urgent orders
  • Low minimum order quantity supported, accommodating both small replacements and large production runs

Get Pricing for Koyo 6004 Deep Groove Ball Bearings

Whether you need this exact Koyo 6004 model or require assistance finding an equivalent, our team can provide quick quotes based on your quantity and delivery location. Simply share the bearing model, required specifications, and order volume, and we’ll confirm availability and pricing within one business day.

Frequently Asked Questions

Q: Do you supply bearings from other brands besides those listed?

A: Yes, we support inquiries for all bearing brands and models, including both international and domestic options, and can supply according to your specified brand or technical requirements.

Q: How can I confirm if this bearing will fit my electric motor?

A: Provide your motor’s make, model, or the existing bearing dimensions (inner diameter x outer diameter x width), and our technical team will verify compatibility with the Koyo 6004 specifications.

Q: What is your warranty policy for these bearings?

A: We offer a warranty against manufacturing defects. Specific terms, including duration, are outlined in each sales contract, and defective products will be replaced or refunded according to these terms.

Q: What is the minimum order quantity for this bearing?

A: We accept low minimum order quantities, including single-unit purchases for emergency replacements, as well as large volume orders for production needs.

Q: How quickly can you ship this bearing and what transport methods are available?

A: This model is in rich stock and can be shipped immediately. Transport options include express courier, air freight, and sea freight, depending on your urgency and location.

Q: Do you offer custom bearing solutions (OEM/ODM)?

A: Yes, we support OEM and ODM services for bearings, including custom dimensions, materials, and specifications based on your technical drawings or requirements.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us via email or our online form for immediate assistance.

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01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

No. 377 Bansongyuan Road, Huangpu District, Shanghai, China

Free Sample Program

Orders over $50K qualify for free product samples

Test against your KPIs before full production commitment. Ask our engineers for details.

Product Inquiry Form

Regarding: Koyo 6004 Deep Groove Ball Bearings for Electric Motor

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

Need technical support or a custom solution?

15+ certified engineers ready to help. Response within 24 hours.