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69 Series
Home Deep Groove Ball Bearings 69 Series

699-2RS Sealed Deep Groove Ball Bearing for Precision Miniature Mechanisms | 9×20×6 Mm

699-2RS Sealed Deep Groove Ball Bearing for Precision Miniature Mechanisms | 9×20×6 Mm

The 699-2RS is a Double Rubber-Sealed Miniature Deep Groove Ball Bearing designed for compact, high-reliability applications where protection against moisture and fine contaminants is essential. With two rubber contact seals (2RS) on both sides, this bearing provides superior sealing performance, retaining lubrication and preventing ingress of dust, dirt, and fluids. Featuring a 9mm bore and an ultra-light cross-section, it is ideal for sensitive precision instruments, small motors, and devices operating in challenging environments where space is limited and cleanliness is critical.

699-2RS Deep Groove Ball Bearing 9×20×6 mm | ISO 69 Series – Extra Light | Double Rubber Sealed

This versatile deep groove bearing is designed for smooth and reliable operation at speeds up to 30,000 r/min (Oil). It handles moderate radial loads and accommodates light axial loads from either direction, making the 699-2RS an excellent sealed solution for small precision instruments, miniature drives, and mechanisms where protection against moisture and contaminants is essential for long-term performance.

699-2RS Sealed Deep Groove Ball Bearing for Precision Miniature Mechanisms | 9×20×6 Mm

Comprehensive Applications

Ideal for precision mechanisms and compact systems requiring reliable sealing and smooth operation:

Precision & Medical Equipment
  • Micro Surgical & Dental Handpieces
  • Laboratory Analyzers & Fluid Sensors
  • Optical Positioning Devices
  • Small Valves & Metering Pumps
Automation & Robotics
  • Miniature Robotic Joints
  • Linear Actuators & Guides
  • Sensor Rollers & Idler Pulleys
  • Camera Auto-Focus Modules
Electric & Motion Systems
  • Small Brushless & Coreless Motors
  • Encoders & Stepper Motor Spindles
  • Miniature Fans & Blowers
  • Precision Gearheads & Drives
Consumer & Portable Electronics
  • Portable Printers & Scanners
  • Small Household Appliances
  • RC Models & Drone Motors
  • Personal Care & Grooming Devices

Key Performance Features

01. Ultra-Light & Compact Design

Built to ultra-light series dimensions (9×20×6 mm), this bearing maximizes space efficiency without sacrificing performance. Its slim profile supports both radial and light axial loads, making it suitable for highly constrained assemblies.

02. Precision-Matched for Quiet & Smooth Running

Available with precision grades up to ABEC 5 (P5), the 699-2RS features optimized raceway geometry and smooth surface finishes to ensure low noise, minimal vibration, and consistent performance in high-speed and sensitive applications.

03. Enhanced Rubber Seal Protection

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

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 69 Series – Extra Light
Basic Designation 699
Suffix 2RS (Double Rubber Contact Seals)
Bore Diameter (d) 9 mm
Outer Diameter (D) 20 mm
Width (B) 6 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Steel Stamped
Dynamic Load Rating (Cʳ) 2.35 kN
Static Load Rating (C₀ʳ) 0.98 kN
Limiting Speed (Grease) 22,000 r/min
Limiting Speed (Oil) 30,000 r/min
Weight (approx.) 6.5 g

Interchange Part Numbers

Common manufacturer equivalents include:

  • SKF: 699-2RS
  • NSK: 699 2RS
  • FAG: 699-2RS
  • NMB: MR1062ZZ
  • NTN: 699LLB

Design & Configuration

The 699-2RS is supplied as standard with dual rubber contact seals, offering an optimal balance between sealing effectiveness and moderate torque. For applications where non-contact shielding is preferred in dry environments, the double steel shielded version (699-ZZ) is also available.

"Choose the 699-2RS for compact, sealed applications where moisture resistance, quiet operation, and long-term lubrication integrity are key."

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Request a Quote for Ball Bearings
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