Product Specifications
| Parameter |
Details |
| Model NO. |
6904 |
| Seals Type |
ZZ, 2RS, Open |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0, P6, P5, P4 |
| 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 |
0° |
| Specification |
20×37×9 mm |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Gearboxes |
| Automotive |
Electric Motors, Wheel Hubs, Transmission Systems |
| Agriculture |
Harvesters, Tractors, Farm Machinery |
| Home Appliances |
Washing Machines, Refrigerators, HVAC Systems |
| New Energy |
Wind Turbines, Solar Panel Trackers |
End Downtime with Reliable 6904 Deep Groove Ball Bearings for Industrial Machinery
Equipment failures due to low-quality bearings cost manufacturers thousands in lost production each year. Misaligned precision, inconsistent noise levels, and short service life plague operations relying on substandard components. When your machinery grinds to a halt, every hour of downtime eats into profits—especially when replacement parts take weeks to arrive.
Precision Engineered 6904 Ball Bearings for Uninterrupted Performance
Our 6904 Deep Groove Ball Bearing is designed to eliminate these headaches. With dimensions 20x37x9mm and precision ratings from P0 to P4, it delivers consistent rotation for industrial machinery under varying loads. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets strict quality standards—from raw material selection to final inspection. Whether you need standard ZZ sealed units for dust protection or 2RS variants for moisture resistance, we offer the flexibility to match your exact application requirements.
Optimal Performance in Critical Industrial Applications
This 6904 Deep Groove Ball Bearing excels in high-speed rotational environments, supporting both radial and axial loads with minimal friction. Its 0° contact angle ensures efficient power transmission, making it ideal for machine tool spindles, conveyor systems, and electric motors where precision and reliability are non-negotiable. The single-row design balances load capacity with compact dimensions, fitting seamlessly into tight installations without compromising on durability.
Technical Features That Drive Machinery Efficiency
Precision rating directly impacts operational stability: P4 grade bearings reduce vibration by up to 30% compared to lower grades, critical for CNC machines requiring micron-level accuracy. Vibration classes Z2V2 and Z3V3 further minimize noise and heat generation, extending service life in continuous-operation equipment. The choice between ZZ (metal shielded) and 2RS (rubber sealed) variants lets you optimize for either maximum speed (ZZ) or contamination resistance (2RS), ensuring the bearing matches your specific operating conditions. Crafted from high-grade bearing steel, this component withstands heavy loads while maintaining dimensional stability—even under temperature fluctuations.
Why Genuine Bearings Reduce Total Cost of Ownership
Counterfeit 6904 bearings may cost less upfront, but they often fail within months, leading to unplanned shutdowns. A single bearing failure in a production line can result in $10,000+ in lost revenue per day—far exceeding the savings from cheap alternatives. Our bearings come with a 12-month global warranty, covering manufacturing defects and ensuring predictable maintenance schedules. By choosing authentic components, you avoid hidden costs like emergency repairs, replacement labor, and production delays—ultimately lowering your total cost of ownership by up to 40% over two years.
Your Trusted Partner for Bearing Solutions Since 2005
With 18 years of experience serving global buyers across Europe, America, and Southeast Asia, we’ve built a reputation for reliability. Our in-house R&D team and QC lab ensure each 6904 bearing meets international standards, while flexible order options—including 1pc MOQ for standard items and 3–5 day sample lead times—support both emergency repairs and large-scale production runs. We offer full OEM/ODM customization, working closely with clients to develop bearings tailored to unique machinery requirements. Our 5–15 day bulk delivery ensures you get the parts you need when you need them, backed by free technical guidance and responsive after-sales support.
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 depending on order volume
- Multiple shipping options: TNT, DHL, FedEx, air freight, and sea freight
- Free samples available (buyer covers freight costs)
Get Your 6904 Bearing Delivered Fast—Minimize Downtime Today
Every day your machinery waits for replacement parts is a day of lost productivity. Our 6904 Deep Groove Ball Bearing is ready to ship, with standard items available for immediate dispatch. Whether you need a single unit for emergency repair or bulk quantities for production, we streamline the ordering process to get your equipment back online quickly.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, we manufacture our own bearings to ISO standards and source authentic NSK/INA bearings through authorized channels. Each product comes with full traceability documentation.
Q: How do I confirm if the 6904 bearing fits my equipment?
A: Provide your machinery model or operating parameters (load, speed, temperature), and our technical team will verify compatibility and recommend the optimal specification.
Q: What warranty coverage do you offer?
A: All bearings come with a 12-month global warranty. We provide free replacement or refund for manufacturing defects, with responsive after-sales support.
Q: What is the minimum order quantity?
A: We accept 1pc MOQ for standard 6904 bearings, supporting both emergency repairs and small-batch testing.
Q: How quickly can you ship after ordering?
A: Standard items ship within 3–5 days. Bulk orders take 5–15 days depending on volume, with expedited options available for urgent requirements.
Q: What payment methods do you accept?
A: We offer flexible payment options including T/T, credit card, and Alibaba Trade Assurance for secure transactions.
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