6803-2RS Double Rubber-Sealed Deep Groove Ball Bearing for Ultra-Slim Designs | 17×26×5 Mm

The 6803-2RS is a Double Rubber-Sealed, Extra-Thin Series Deep Groove Ball Bearing engineered for applications where minimal axial space and reliable contamination protection are paramount. Featuring two integrated rubber contact seals (2RS), it provides an effective barrier against dust, moisture, and fine particulates while securing internal lubrication. With a compact 17 mm bore and an exceptionally slim 5 mm width, this bearing is the ideal choice for highly space-constrained mechanisms requiring dependable sealed performance.



6803-2RS Deep Groove Ball Bearing 17×26×5 mm | ISO 68 Series – Extra Thin | Double Rubber Sealed

Utilizing an optimized deep groove geometry, this sealed bearing ensures smooth, low-friction operation at speeds up to 22,000 r/min (Oil). It is designed to handle moderate radial loads and is suitable for light axial loads, offering a robust sealing solution for precision devices where a minimal cross-section and environmental resistance are essential.

6803-2RS Double Rubber-Sealed Deep Groove Ball Bearing for Ultra-Slim Designs | 17×26×5 Mm

Comprehensive Applications

Perfect for ultra-compact designs across a wide range of industries:

Automotive & Mobility Components
  • Automotive Idler and Guide Pulleys
  • Actuators for Mirror Adjustment or Locks
  • E-Bike Pedal Assist Sensor Supports
  • Dashboard Gauge and Pointer Drives
Consumer Electronics & Office Gear
  • Precision Printer and Scanner Mechanisms
  • Hard Disk Drive Spindles
  • Small Household Appliance Motors (e.g., electric toothbrushes, trimmers)
  • Camera Autofocus and Shutter Systems
Medical & Specialized Equipment
  • Dental Handpiece Drives
  • Laboratory Analyzer and Pump Rotors
  • Textile and Wire Guidance Systems
  • Precision Instrumentation and Control Devices
Micro Motors & Precision Drives
  • Small Stepper and Coreless Motors
  • Cooling Fans in IT and Telecom Equipment
  • Optical Encoders and Sensor Rotors
  • Miniature Pump and Valve Actuators

Key Performance Features

01. Ultra-Thin Profile for Space-Critical Designs

With a width of only 5 mm, this bearing enables design engineers to save vital axial space without compromising on load capacity or rotational accuracy.

02. High-Precision, Quiet Running

Manufactured from high-grade chrome steel with precision-ground raceways, the 6803-2RS delivers exceptionally smooth, quiet, and vibration-free operation.

03. Effective Dual-Rubber Seal Defense

The two rubber contact seals (2RS) on each side reliably prevent the ingress of contaminants and retain grease, significantly prolonging service life in challenging environments.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 68 Series – Extra Thin
Basic Designation 6803
Suffix 2RS (Double Rubber Contact Seals)
Bore Diameter (d) 17 mm
Outer Diameter (D) 26 mm
Width (B) 5 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Steel Stamped
Dynamic Load Rating (Cʳ) 1.96 kN
Static Load Rating (C₀ʳ) 0.98 kN
Limiting Speed (Grease) 16,000 r/min
Limiting Speed (Oil) 22,000 r/min
Weight (approx.) 8 g

Interchange Part Numbers

Common manufacturer equivalents include:

  • SKF: 6803-2RS
  • NSK: 6803DDU
  • FAG: 6803-2RSR
  • NTN: 6803LLU
  • KOYO: 6803LLB

Design & Configuration

The 6803-2RS is supplied with double rubber contact seals as standard, making it the preferred choice for applications exposed to light contaminants and humidity. For very high-speed or dry running conditions where lower starting torque is desired, the double shielded variant (6803-ZZ) is recommended.

"The 6803-2RS is a superior choice for designers seeking an ultra-slim, reliably sealed bearing that delivers precision performance in the most compact assemblies."



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