KYDE 10-Pack 6004ZZ Deep Groove Ball Bearing 20x42x12mm Double Shield Ball Bearings
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Strategic Product Selection: Standard vs. Premium Series
To provide the most cost-effective solutions for diverse engineering requirements, we offer two distinct performance tiers. Choosing the right grade ensures optimal machine performance and maximizes your ROI.
Quick Comparison Table
| Feature | Standard Series | Premium High-Precision Recommended |
|---|---|---|
| Material | GCr15 Steel (Industrial Grade) | High-Purity GCr15 (Refined Processing) |
| Precision Class | ISO P0 / ABEC-1 | ISO P6 / P5 (ABEC-3 / ABEC-5) |
| Speed Rating | 500 – 1,000 RPM | 2,500 – 10,000 RPM |
| Noise & Vibration | Z0 - Z1 (Standard) | ZV2 - ZV3 (Ultra-Quiet/EMQ) |
| Service Life | Standard Lifecycle | Extended Life (2-3x MTBF) |
| Consistency | High Value / Cost-Effective | Rigorous Quality Control & Stability |
Which Series is Right for Your Application?
1. The Standard Series
Best for Low-Speed & Budget-Conscious Projects
- Ideal for: Simple mechanical assemblies, manual equipment, and low-load applications.
- The Advantage: Provides a reliable, industry-standard solution at a competitive price point where high precision is not a critical requirement.
2. The Premium High-Precision Series
Best for High-Performance & Critical Machinery
- Ideal for: Electric motors, high-speed CNC spindles, automated production lines, and precision instruments.
- The Advantage: Engineered for high-speed stability and minimal friction. ZV2-ZV3 vibration rating ensures quiet operation and significantly reduces downtime (Lower Total Cost of Ownership).
Why We Offer Two Tiers?

- Size: Bore Diameter 20mm, Outside Diameter 42mm, Width 12mm
- Interchange Number 6004, 6004 Z, 6004 ZZ, 6004 ZR, 6004 ZZR, 6004 2ZR, 6004 2Z
- Have Shield on both sides, Non-Connected to the Inner Ring, to Protect the Bearing from Dust or any Possible Contamination.
- Specializing in the Exclusive Production of Bearings with High Performance, High Speed, Less Vibration, Low Noise, and Long Life
- Application: ATVs, Motorcycles, Snowmobiles, Snowblowers, Snow Thrower, Lawn Mowers, Go-KART, Automotive, Appliances, Sporting Machines, Agriculture Machines, Industrial Applications, Electric Motors, HVAC, Furnaces, Transmissions, Gearboxes, Elevators, Lifts and Hoists, Medical Devices.

Application:
ATVs, Motorcycles, Snowmobiles, Snowblowers, Snow Thrower, Lawn Mowers, Go-KART, Automotive, Appliances, Sporting Machines, Agriculture Machines, Industrial Applications, Electric Motors, HVAC, Furnaces, Transmissions, Gearboxes, Elevators, Lifts and Hoists, Medical Devices.

| MODEL | BORE SIZE | ||
| TYPE | OUT. DIAMETER | ||
| MATERIAL | RPM | ||
| CLEARANCE | DYNAMIC LOAD | ||
| WIDTH | STATIC LOAD |
Frequently asked questions
What is the return policy?
Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right.
Are any purchases final sale?
We are unable to accept returns on certain items. These will be carefully marked before purchase.
When will I get my order?
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
How much does shipping cost?
Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.