6806-2RS Sealed Deep Groove Ball Bearing for Compact Mechanisms & Precision Equipment | 30×42×7 Mm

The 6806-2RS is a Double Rubber-Sealed Extra-Light Series Deep Groove Ball Bearing designed for applications where space constraints and contamination protection are critical. Equipped with two rubber contact seals (2RS) on both sides, it efficiently blocks dust, moisture, and debris while maintaining internal lubrication. Featuring a 30 mm bore and a slim 7 mm width, this bearing is ideal for compact assemblies, small precision instruments, and light-duty mechanical systems where reliable sealing and smooth operation are essential.



6806-2RS Deep Groove Ball Bearing 30×42×7 mm | ISO 68 Series – Extra Light | Double Rubber Sealed

Built on a versatile deep groove geometry, this sealed bearing ensures quiet and stable performance at speeds up to 18,000 r/min (Oil). Suitable for moderate radial loads and limited axial loads, the 6806-2RS delivers dependable sealing for applications that demand environmental resistance and prolonged service life in confined spaces.

6806-2RS Sealed Deep Groove Ball Bearing for Compact Mechanisms & Precision Equipment | 30×42×7 Mm

Comprehensive Applications

Perfect for compact and lightweight designs across various sectors where sealing integrity and minimal cross-section are crucial:

Appliance & Office Machinery
  • Compact Household Appliances (Coffee Grinders, Hand Blenders)
  • Printer & Scanner Paper Feed Mechanisms
  • Portable Fans & Air Purifiers
Electric & Precision Devices
  • Small Servo and Synchronous Motors
  • Cooling Fans in Electronics & IT Equipment
  • Optical Encoders & Positioning Systems
  • Laboratory & Medical Instrumentation Drives
General Light-Duty Mechanics
  • Thin-Section Conveyor Guides
  • Textile & Packaging Motion Control Units
  • Precision Agricultural Metering Devices
Automotive & Mobility Components
  • Automotive Sensors & Actuators
  • Electric Mirror Adjustment Motors
  • Lightweight E-Scooter Wheel Hubs

Key Performance Features

01. Slim & Space-Saving Profile

With dimensions of 30×42×7 mm, this extra-light series bearing offers an ultra-thin design ideal for applications with strict radial space limitations, without compromising load support.

02. Smooth & Low-Vibration Running

Precision-engineered chrome steel raceways and balls combined with an optimized internal clearance deliver quiet, stable operation with minimal vibration across various speeds.

03. Effective Dual Rubber Sealing

Integrated rubber contact seals on both sides protect against contaminants and moisture, significantly extending bearing life in challenging environments.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 68 Series – Extra Light
Basic Designation 6806
Suffix 2RS (Double Rubber Contact Seals)
Bore Diameter (d) 30 mm
Outer Diameter (D) 42 mm
Width (B) 7 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Steel Stamped
Dynamic Load Rating (Cʳ) 4.35 kN
Static Load Rating (C₀ʳ) 2.12 kN
Limiting Speed (Grease) 15,000 r/min
Limiting Speed (Oil) 18,000 r/min
Weight (approx.) 24 g

Interchange Part Numbers

Common manufacturer equivalents include:

  • SKF: 6806-2RS
  • NSK: 6806DDU
  • FAG: 6806-2RSR
  • NTN: 6806LLU
  • KOYO: 6806LLB

Design & Configuration

The 6806-2RS comes with double rubber contact seals, making it suitable for environments with exposure to light contaminants and humidity. For high-speed or dry applications, consider the double shielded variant (6806-ZZ) as an alternative.

"An excellent selection for compact motor designs, precision devices, and light mechanical systems, the 6806-2RS offers effective sealing and reliable performance where space and protection are key."



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