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60 Series
Home Deep Groove Ball Bearings 60 Series

602-2RS Sealed Miniature Deep Groove Ball Bearing for Moisture-Resistant Applications | 2×7×3.5 mm

602-2RS Sealed Miniature Deep Groove Ball Bearing for Moisture-Resistant Applications | 2×7×3.5 mm

The 602-2RS is a Double Rubber-Sealed Miniature Deep Groove Ball Bearing engineered for compact mechanisms requiring reliable protection against moisture, dust, and fine particulate contamination. With two synthetic rubber contact seals (2RS) on both sides, this bearing provides excellent sealing performance while retaining lubrication and preventing ingress of contaminants in challenging environments. Featuring a 2mm bore and ultra-compact cross-section, it is ideal for precision instruments, small electric motors, and medical devices where space is severely limited and operational cleanliness is critical .

602-2RS Deep Groove Ball Bearing 2×7×3.5 mm | ISO 69 Series – Extra Light | Double Rubber Sealed

This versatile sealed bearing is designed for smooth and reliable operation at speeds up to 60,000 r/min (Oil). It handles light radial loads and accommodates minimal axial loads from either direction, making the 602-2RS an excellent sealed solution for miniature drives, laboratory instruments, and mechanisms where protection against moisture and fine particles is essential for long-term performance.

602-2RS Sealed Miniature Deep Groove Ball Bearing for Moisture-Resistant Applications | 2×7×3.5 mm

Comprehensive Applications

Ideal for precision mechanisms and compact systems requiring reliable sealing and smooth operation in damp or dusty environments:

Precision & Medical Equipment
  • Optical Positioning Stages
  • Small Metering Pumps & Valves
  • Micro Surgical Tools & Dental Handpieces 
  • Laboratory Analyzers & Fluid Sensors
Automation & Robotics
  • Sensor Pulleys & Tensioners
  • Camera Gimbal Mechanisms
  • Compact Robotic Joints
  • Linear Guide Rollers
Electric & Motion Systems
  • Miniature Fans & Blowers
  • Precision Gear Trains
  • Coreless & Brushless Micro Motors
  • High-Speed Encoders & Spindles
Consumer & Hobby Electronics
  • Portable Power Tools
  • Grooming Devices & Small Appliances
  • 3D Printer Extruders & Fans
  • RC Car Drivetrains & Drone Motors

Key Performance Features

01. Precision-Matched for Smooth & Quiet Operation

Available with precision grades up to ABEC 5 (P5), the 602-2RS features precision-machined raceways and high-grade chrome steel balls to ensure low noise, minimal vibration, and consistent performance in high-speed and noise-sensitive applications.

02. Ultra-Compact & Lightweight Design

Built to extra-light series dimensions (2×7×3.5 mm) with a weight of approximately 0.6 grams, this bearing maximizes space efficiency without sacrificing performance . Its slim profile supports light radial loads, making it suitable for highly constrained assemblies in miniature equipment.

03. Enhanced Rubber Seal Protection

Double rubber contact seals (2RS) provide excellent defense against moisture, dust, and fine contaminants while maintaining stable internal lubrication. The flexible sealing lips maintain light contact with the inner ring, offering reliable protection in humid or dirty environments where metal shields would be insufficient.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 69 Series – Extra Light
Basic Designation 602
Suffix 2RS (Double Rubber Contact Seals)
Bore Diameter (d) 2 mm
Outer Diameter (D) 7 mm
Width (B) 3.5 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Pressed Steel Cage (optional machined brass)
Dynamic Load Rating (Cʳ) 0.38 kN (328–386 N) 
Static Load Rating (C₀ʳ) 0.12 kN (103–129 N) 
Limiting Speed (Grease) 45,000–60,000 r/min 
Limiting Speed (Oil) 60,000–71,000 r/min 
Weight (approx.) 0.6 g

Interchange Part Numbers

Direct replacement for:

  • SKF: 602-2RS
  • NSK: 602LLB
  • FAG: 602-2RS
  • NTN: 602LLB
  • Timken: 602-2RS
  • NMB: R-720 2RS

Design & Configuration

The 602-2RS is supplied as standard with dual rubber contact seals, offering an optimal balance between sealing effectiveness and moderate torque in contaminated environments. For applications requiring maximum speed with minimal friction in clean, dry environments, the open version (602 Open) or double steel shielded version (602-ZZ) is also available.

"Choose the 602-2RS for ultra-miniature, sealed applications where moisture resistance, quiet operation, and long-term lubrication integrity in challenging environments are key requirements."

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