SS684 ZZ RICH 4x9x4

SS.684.ZZ RICH Single Row Deep Groove Ball Bearing, Miniature, Stainless Steel – 4 x 9 x 4 mm – Micro-Precision for Corrosive Environments

Designed for critical performance in the smallest, toughest spaces. The SS.684.ZZ RICH miniature single row deep groove ball bearing is expertly crafted from stainless steel, offering an essential solution for applications where extreme compact size, high precision, and robust corrosion resistance are non-negotiable. With precise dimensions of just 4 mm inner diameter, 9 mm outer diameter, and a 4 mm width, this bearing provides dependable rotational support in the most intricate mechanisms.

This RICH bearing features double-sided non-contact shields (ZZ, also known as 2Z), which deliver strong protection against dust, dirt, and external contaminants while ensuring consistently low friction. Built with CN (normal) clearance, it guarantees smooth and reliable operation under standard conditions, making it highly versatile for a wide range of miniature applications.

Manufactured in China by RICH, this stainless steel miniature deep groove ball bearing weighs a mere 0.001 kg, demonstrating its extraordinary lightness combined with remarkable durability. It's perfectly suited for medical devices, precision instruments, micro-robotics, and sensitive sensors where exposure to moisture, humidity, or aggressive chemical agents is a constant factor.

Technical Specifications:

• Type: Single Row Deep Groove Ball Bearing
• Model: SS.684.ZZ
• Brand: RICH
• Inner Diameter (d): 4 mm
• Outer Diameter (D): 9 mm
• Width (B): 4 mm
• Material: Stainless Steel
• Clearance: CN (Normal Clearance)
• Sealing: Double-sided non-contact shields (ZZ / 2Z)
• Product Feature: Miniature
• Country of Origin: China

Key Performance Advantages:

• Exceptional Corrosion Resistance: Stainless steel construction ensures extended life in wet, humid, or chemically active environments.
• Ultra-Compact Design: Ideal dimensions for micro-applications where space is critically limited.
• Effective Contaminant Exclusion: Non-contact ZZ/2Z shields provide excellent protection against ingress without increasing friction.
• Smooth & Reliable Operation: Engineered with normal clearance for consistent rotational performance, even at miniature scales.
• RICH Quality Assurance: Manufactured to high standards, providing dependable functionality for critical applications.