KYDE 2 Pcs UC203-11 Insert Bearing, 11/16" Imperial Bore (11/16" x 47 x 31mm), Spherical OD for American Standard Farm Equipment & Conveyors
Order within the next hours minutes to receive it. Estimated delivery is between and
Taxes, discounts and shipping calculated at checkout.
Couldn't load pickup availability
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?

📌 Technical Specifications
-
Model: UC203-11 (Premium Series)
-
Bore Diameter (ID): 11/16" (approx. 17.46 mm)
-
Outer Diameter (OD): 47 mm (Spherical)
-
Total Inner Ring Width: 31 mm
-
Outer Ring Width: 14 mm
-
Material: High-Grade GCr15 Chrome Steel
-
Locking Method: Dual Set Screw Lock (M6)
-
Sealing: Double-Lip Flinger Seals on both sides
-
Lubrication: Pre-filled with premium industrial grease

🛠️ Versatile Applications
This 11/16" bore insert is a critical component for:
-
American Standard Agricultural Equipment: Harvest combines, seeders, and PTO drives.
-
Fractional Conveyor Systems: Material handling and automated packaging lines.
-
Lawn & Garden Machinery: High-end commercial mowers and blower units.
-
Pumping & Filtration Systems: Variable speed drives using fractional shafts.


| 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.