SKF NATR 8 PPA/VK8141 Track Roller Bearing

Description

The SKF NATR 8 PPA/VK8141 is a high-quality yoke type track roller bearing designed for demanding industrial applications. Based on a needle roller and cage assembly, it features a thick-walled outer ring that enables it to accommodate high radial loads. The PPA suffix denotes that the bearing is fitted with contact seals made of polyamide 66 on both sides, offering excellent protection against moisture and contaminants while ensuring lubricant retention for a long, maintenance-free service life.

Specifications

• Bore Diameter (d): 8 mm
• Outside Diameter (D): 24 mm
• Width (B): 15 mm
• Sealing: PPA - Contact seals on both sides
• Basic Dynamic Load Rating: 6.83 kN
• Basic Static Load Rating: 7.35 kN
• Limiting Speed: 6000 r/min

Label Info

• Model: NATR 8 PPA/VK8141
• Part Number (Label): XR144R
• EAN: 7316571592510

Application

This track roller is ideal for use in a variety of applications, including conveyor systems, cam drives, material handling equipment, and automation machinery where reliable linear motion guidance is required.

Country of Origin

This product is proudly Made in Japan, ensuring high standards of manufacturing and quality control.

CO2 Impact

By choosing this reused component, you are preventing the emission of approximately 0.09 kg of CO2, which is associated with the production of a new steel bearing. This is a small but meaningful contribution to a more sustainable industrial practice.

Availability

This item is in stock and ready for immediate dispatch. Order now from PLC2Day for expert support and fast delivery.

FAQ

What does the 'PPA' suffix mean for this SKF bearing?

The 'PPA' designation indicates that the bearing is equipped with an axial guiding ring and features contact seals made from polyamide 66 (PA66) on both sides. These seals provide effective protection against contamination and retain grease, making it suitable for environments where exposure to debris or moisture is a concern.

The NATR 8 PPA has a limiting speed of 6000 r/min. While suitable for many applications, it's important to consider factors like load, lubrication, and heat dissipation. For speeds approaching the limit, ensuring proper alignment and lubrication is critical to prevent premature wear.

SKF NATR series bearings are typically supplied lubricated for life and are considered maintenance-free under normal operating conditions. Relubrication is generally not required, and attempting to do so may damage the integrated seals. If your application has extreme conditions, consult SKF documentation for guidance.

Last Update: Friday, March 13, 2026

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