KYDE 10 PCS 6304-2RS 20x52x15mm Ball Bearing Double Rubber Seal Bearings Replacement for Pool Motor Bearings, Snowmobile,Yamaha Roadstar Rear Wheel, Lawn Mower Deck Spindle…
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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?


Fits Model:
- Azel Sweet 50 • 2009-2010
- Barton Cafe Racer 50 • 2023-2024,Barton Fighter 50 1 • 2006-2016,Barton Fighter 50 2 • 2006-2016,Barton Fighter 50 3 • 2006-2016,Barton Flex 50,Barton FR 50,Barton GT 125 Euro 5 • 2022-2024,Barton Patrol 50,Barton Ranger Classic 50,Barton Sprint 50 1,Barton Sprint RS 50 Euro 3,Barton Volcano 50,Barton Wezyr 50
- Bashan CK50S-7
- Benelli Leoncino 500 Trail • 2017-2023
- Benelli TRK 702 • 2023
- Benelli TRK 702 X • 2023
- Benelli TRK502X • 2020
- Benelli TRK502X Euro 5 • 2021-2023
- Benyco Hunter 50 Benyco Hunter ECO 50
- Benzer Arco 50
- Benzer Bolt 50
- Benzer Rapid 50
- Benzer Shaft 50
- Benzer Texas 50

Fits Rear Wheel:
- Keeway Blackster 250 EFI Euro 4
- Keeway Cruiser 250 • 2006-2010
- Keeway Cruiser 250 EFI • 2009-2010
- Keeway Cruiser 250 EFI • 2011-2013
- Keeway Cruiser 250 EFI • 2014
- Keeway Dorado 250
- Keeway Land Cruiser 250 • 2009
- Keeway Land Cruiser 250 • 2006-2008
- Keeway Land Cruiser 250 EFI • 2010-2016
- Honda C 50 Super Cub • 1975-2003,Honda C 50 BN Press Cub • 1988-2003,Honda C 50 BN Press Cub Deluxe • 2002-2004,Honda C 50 BND Super Cub Deluxe • 2002-2006,Honda C 50 L Little Cub • 1997-2003,Honda C 50 LM Little Cub • 1999-2003,Honda CRF 50 F • 1995-2010,Honda ST 50 Dax • 1970,1988-2000,Honda ST 50 G Dax • 1970-1977,Honda ST 50 K Dax • 1978-1980,Honda XR 70 R • 1998-2003,Honda XR 80 • 1980-1984
- Honda XR 80 R • 1979-2003,Honda Z 50 A Monkey • 1968-1979,Honda Z 50 G Monkey • 1979-1983,Honda Z 50 J Monkey • 1979-1985,Honda Z 50 R Cross Monkey • 1979-1999,Honda ZB 50 P Monkey • 1988-1991



| 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.