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69 Series
Home Deep Groove Ball Bearings 69 Series

6906-2RS Sealed Industrial Deep Groove Ball Bearing For Conveyors | 30×47×9 Mm

6906-2RS Sealed Industrial Deep Groove Ball Bearing For Conveyors | 30×47×9 Mm

The 6906-2RS is a Versatile Sealed Deep Groove Ball Bearing designed for a wide range of industrial applications where protection from contamination and reliable performance are essential. Fitted with double rubber contact seals (2RS) on both sides, this bearing provides effective defense against dust, moisture, and other pollutants while retaining lubrication. With a 30 mm bore and compact 47×9 mm cross-section, it offers an excellent balance of load capacity, sealing integrity, and space efficiency for motors, conveyors, and general machinery.

6906-2RS Deep Groove Ball Bearing 30x47x9 mm | Standard Series | Double Rubber Sealed

This metric bearing combines the universal deep groove design with full-contact rubber seals, making it suitable for environments where exposure to particulates or humidity is a concern. It supports both radial and moderate axial loads, delivering smooth and quiet operation in continuous-duty applications. Its standardized dimensions ensure easy integration and replacement across various industrial platforms.

6906-2RS Sealed Industrial Deep Groove Ball Bearing For Conveyors | 30×47×9 Mm

Comprehensive Applications

Suited for industrial, automotive, and machinery applications requiring dependable sealing and durable performance:

Motors & Drives
  • Blower & Fan Drives
  • Pump & Compressor Motors
  • Gearbox & Reducer Units
  • Industrial Electric Motors
Automotive & Off-Highway
  • Alternators & Starter Motors
  • Agricultural Implement Drivelines
  • Idler & Tension Pulleys
  • Utility Vehicle Accessory Drives
Maintenance & Replacement
  • Industrial Fan & Ventilation Units
  • Machinery Overhaul Kits
  • Aftermarket Service Parts
  • OEM Bearing Replacements
Industrial Equipment
  • Packaging & Labeling Equipment
  • Conveyor Rollers & Guides
  • General Material Handling Systems
  • Food & Beverage Processing Machinery

Key Performance Features

01. Dual Rubber Seals for Contaminant Exclusion

Two integrated low-friction rubber seals provide reliable protection against ingress of dust, dirt, and moisture. This design helps maintain internal lubrication, reduces maintenance needs, and extends service life in challenging conditions.

02. Robust Load Capacity in Compact Form

Built to the standard 69 series, the 6906-2RS offers substantial radial load capacity within a relatively slim profile. Its deep groove geometry also accommodates moderate axial loads from either direction, supporting stable operation in varied load scenarios.

03. Smooth Operation with Maintenance-Friendly Design

Precision-ground components and optimized internal geometry ensure low vibration and consistent performance. The sealed construction minimizes the frequency of re-lubrication, making it a reliable, low-maintenance solution for enclosed assemblies.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 69 Series – Standard
Basic Designation 6906
Suffix 2RS (Double rubber contact seals)
Bore Diameter (d) 30 mm
Outer Diameter (D) 47 mm
Width (B) 9 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Pressed Steel
Dynamic Load Rating (Cʳ) 16.8 kN
Static Load Rating (C₀ʳ) 10.5 kN
Limiting Speed (Grease) 9,000 r/min
Limiting Speed (Oil) 11,000 r/min
Weight (approx.) 85 g

Interchange Part Numbers

Compatible with the following manufacturer part numbers:

  • SKF: 6906-2RS
  • NSK: 6906DDU
  • FAG: 6906-2RSR
  • NTN: 6906LLU
  • Nachi: 6906-2RS

Design & Configuration

The 6906-2RS comes standard with double rubber seals. For applications requiring non-contact shielding, the double metal shielded version (6906-ZZ) is available. An open design (6906) can also be supplied for clean, high-speed, or custom-lubrication applications.

"The 6906-2RS is a robust and sealed bearing choice for industrial applications, offering reliable contamination protection and consistent performance under moderate loads."

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