KYDE 1 PiecesLR5008-NPPU Track Roller Bearing, 40x75x21.9mm, Heavy-Duty Double Row Cylindrical Roller for Automation Lines, CNC Guides & Material Handling Systems
📌 Technical Specifications Model: LR5008-NPPU (Series LR50) Bore Diameter (d): 40 mm Outer Diameter (D): 75 mm (Thick-walled for track contact) Width (B): 21.9 mm Rolling Elements: Double Row Cylindrical...
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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?
We understand that over-engineering leads to unnecessary costs, while under-engineering leads to failure. By providing both Standard and Premium options, we empower our clients to match the component performance strictly to their specific technical needs—optimizing both budget and machine reliability.
📌 Technical Specifications
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Model: LR5008-NPPU (Series LR50)
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Bore Diameter (d): 40 mm
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Outer Diameter (D): 75 mm (Thick-walled for track contact)
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Width (B): 21.9 mm
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Rolling Elements: Double Row Cylindrical Rollers (High Radial Capacity)
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Sealing: NPPU (Double-sided contact seals for maximum dust/moisture protection)
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Material: High-Grade GCr15 Chrome Steel (Precision Ground)
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Outer Ring Profile: Crowned (Optimized to reduce edge stress on tracks)
Main vehicle and equipment applications
1.Agricultural machinery
Tractor:
• John Deere 6R/7R Series (Front Wheel Hub Bearing)
New Holland T7 HD (Power Take-Off Shaft Bracket)
Reaper:
• Claas Jaguar 900 (disc drive bearing)
• Case IH Axial-Flow 2400 (upgrade of feed chamber)
2.Construction/Off-Road Equipment
Excavator:
• Caterpillar 320/330 (Swivel Bearing Replacement)
• Hitachi ZX350LC-7 (Track Roller Assembly)
Loader:
• Volvo L350H (articulated bearing)
Technical Highlights
- Interchangeable numbers: LR5000-2RS, NPPU-5000, 6205-2NSE
- Temperature range: -40°F to 250°F（-40°C to 121°C）
- Certification: ISO 9001, compliant with RoHS standards
| 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.
