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62 Series
Home Deep Groove Ball Bearings 62 Series

6205-2RS Sealed Deep Groove Ball Bearing | Rugged Metric Bearing | 25×52×15 mm

6205-2RS Sealed Deep Groove Ball Bearing | Rugged Metric Bearing | 25×52×15 mm

The 6205-2RS is a robust single-row ball bearing engineered to deliver balanced performance in demanding environments where radial space is moderate and protection is paramount. Equipped with dual contact rubber seals (2RS), this component effectively blocks entry of dust, moisture, and particulate matter while securely retaining internal grease. Featuring a 25mm bore, a 52mm outer diameter, and a 15mm width, it serves as a critical durable component for industrial pumps, agricultural machinery, household appliances, and automotive auxiliary systems.

6205-2RS Deep Groove Ball Bearing 25x52x15 mm | Versatile Metric Series | Dual Contact Rubber Seals

Utilizing high-grade GCr15 chrome steel construction, the 6205-2RS provides exceptional structural integrity and wear resistance. The Nitrile Butadiene Rubber (NBR) seals make physical contact with the inner ring, establishing a secure barrier against external contaminants. Although this introduces slightly higher friction compared to non-contact shields, the resulting environmental sealing dramatically extends bearing life in rugged operations. The precise geometry of the raceways allows it to support formidable radial loads and moderate bidirectional axial loads, making it an optimal choice for fit-and-forget applications in challenging settings.

6205-2RS Sealed Deep Groove Ball Bearing | Rugged Metric Bearing | 25×52×15 mm

Comprehensive Applications

The 6205-2RS provides the dependable sealing required for diverse and challenging operational technologies:

Industrial Pumps & Centrifuges
  • Vertical and horizontal centrifugal pumps
  • Fluid handling and metering equipment
  • Waste water treatment systems
Automotive & Off-Road Systems
  • Alternator and starter motor bearings
  • Cooling fan clutch assemblies
  • Transmission output shaft supports
Household & Commercial Appliances
  • Washing machine drum motor supports
  • Dishwasher circulation pumps
  • Commercial vacuum cleaner units
Agricultural Machinery & Equipment
  • Harvester and tractor drive systems
  • Planting and seeding machinery pivots
  • Conveyor systems for farm produce

Key Performance Features

01. Pre-Lubricated & Maintenance-Free

Supplied pre-filled with high-quality synthetic grease, the 6205-2RS offers a "sealed-for-life" maintenance-free solution. The secure contact seals ensure the lubricant remains within the raceway tracks, eliminating the need for periodic relubrication even in continuous-duty industrial environments.

02. Optimal Environmental Sealing System

The defining advantage of the 6205-2RS is its robust dual-lip contact sealing architecture. Manufactured from NBR, these seals exclude liquid spray and fine dust far more effectively than metal shields. This is critical for mobile equipment or machinery subjected to wash-down protocols, preventing premature catastrophic failure.

03. Formidable Load-to-Mass Balance

Belonging to the robust 62 medium-duty series, this bearing features thicker rings and larger rolling elements than the standard series. It successfully balances a versatile dimensional footprint with the formidable dynamic load ratings required for heavy industrial power transmission.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 62 Series (Medium Duty)
Basic Designation 6205
Suffix 2RS (Double Contact Rubber Seals)
Bore Diameter (d) 25 mm
Outer Diameter (D) 52 mm
Width (B) 15 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard (P0) / P6 or P5 Available Upon Request
Cage Material Pressed Steel
Dynamic Load Rating (Cʳ) 14.0 kN
Static Load Rating (C₀ʳ) 7.85 kN
Limiting Speed (Grease) ~8,500 r/min
Limiting Speed (Oil) --
Weight (approx.) 0.128 kg

Interchange Part Numbers

Directly compatible with industry-standard metric sealed bearing designations:

  • SKF: 6205-2RS1 / 6205DDU
  • NSK: 6205DDU / 6205LLU
  • FAG6205-2RSR
  • NTN: 6205LLU
  • KOYO: 6205-2RS
  • Nachi: 6205-2RS

Design & Configuration

The 6205-2RS is engineered for maximum environmental exclusion in rugged industrial conditions. While the rubber seals introduce a slightly lower limiting speed compared to shielded or open types due to seal friction, the trade-off is a massive increase in service life when exposed to moisture or grit. For applications requiring compensation for thermal expansion or heavy vibration, we offer Customized Lubrication and C3 internal clearance options.

"Engineered to lock out the elements and lock in performance, the 6205-2RS guarantees reliable rotation in the most unforgiving environments."

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