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60 Series
Home Deep Groove Ball Bearings 60 Series

6012 Open Deep Groove Ball Bearing | Maximum Speed Capability | 60×95×18 mm

6012 Open Deep Groove Ball Bearing | Maximum Speed Capability | 60×95×18 mm

The 6012 Open is a versatile, Unsealed Single-Row Deep Groove Ball Bearing designed for applications requiring custom lubrication strategies and maximum rotational efficiency. Without seals or shields, this bearing offers minimal internal friction, enabling higher operating speeds and allowing users to apply specialized lubricants based on their specific environmental conditions. With dimensions of 60 mm bore, 95 mm outer diameter, and 18 mm width, it belongs to the 6000 "Extra Light" ISO series, providing a compact radial solution for machinery where the housing itself provides external sealing protection.

6012 Deep Groove Ball Bearing 60×95×18 mm | ISO 6000 Series – Extra Light | Open Type (No Seals or Shields)

Engineered with precision-machined raceways and hardened rolling elements, the 6012 Open delivers exceptional performance in controlled environments where contamination is managed through external housing seals. The absence of integrated seals reduces torque and heat generation, making it suitable for high-speed operations and applications requiring frequent re-lubrication. Capable of handling substantial radial loads alongside bidirectional axial forces, this bearing serves as an ideal choice for gearboxes, spindles, and systems where maintenance access is readily available.

6012 Open Deep Groove Ball Bearing | Maximum Speed Capability | 60×95×18 mm

Comprehensive Applications

The 6012 Open provides flexibility across industries where external sealing and custom lubrication are preferred:

Gearboxes & Transmission Systems
  • Industrial Gear Reducer Housings
  • Automotive Transmission Assemblies
  • Differential Case Supports
  • Power Take-Off Units
Machine Tool & Spindle Equipment
  • CNC Milling Machine Spindles
  • Lathe Headstock Bearings
  • Grinding Wheel Arbors
  • Drilling Machine Quills
Industrial Pumps & Compressors
  • Centrifugal Pump Housings
  • Air Compressor Crankshafts
  • Hydraulic Motor Assemblies
  • Vacuum Pump Rotors
Textile & Printing Machinery
  • Fabric Tension Rollers
  • Printing Press Drive Shafts
  • Yarn Winding Spindles
  • Paper Feed Mechanisms

Key Performance Features

01. Custom Lubrication Flexibility

Without factory-sealed grease, users can select and apply lubricants tailored to their specific operating temperatures, speeds, and environmental conditions. This adaptability extends bearing life in specialized applications requiring synthetic or high-temperature greases.

02. Optimal Speed Performance (Open Configuration)

The 6012 Open eliminates seal-induced friction entirely, allowing for maximum limiting speeds compared to shielded or sealed variants. This makes it the preferred selection for high-RPM applications where heat buildup from seal contact must be avoided.

03. Simplified Maintenance Access

The open design facilitates straightforward inspection and re-lubrication during scheduled maintenance intervals. This feature is valuable in industrial settings where preventive maintenance programs ensure regular bearing service and monitoring.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 60 Series – Extra Light Duty
Basic Designation 6012
Suffix Open (No Seals or Shields)
Bore Diameter (d) 60 mm
Outer Diameter (D) 95 mm
Width (B) 18 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard (P0) / P6 or P5 Available Upon Request
Cage Material Riveted Steel Cage
Dynamic Load Rating (Cʳ) 31.5 kN
Static Load Rating (C₀ʳ) 29.0 kN
Limiting Speed (Grease) 8,500 - 9,500 r/min
Limiting Speed (Oil) 10,000 - 11,000 r/min
Weight (approx.) 0.29 kg

Interchange Part Numbers

Standard open equivalents from leading global bearing suppliers:

  • SKF: 6012
  • NSK: 6012
  • FAG6012
  • NTN: 6012
  • KOYO: 6012
  • Nachi: 6012
  • TIMKEN: 6012

Design & Configuration

The 6012 Open features a clean raceway design without integrated sealing elements, relying on external housing protection for contamination control. Standard production includes CN (Normal) internal clearance, with C3 (Increased Clearance) options available for high-temperature or high-speed motor applications. Users requiring built-in protection should consider the metal-shielded (ZZ) or rubber-sealed (2RS) variants from our product catalog.

"The 6012 Open delivers unmatched speed potential and lubrication flexibility, making it the smart choice for controlled environments where housing seals provide protection and maintenance schedules ensure optimal performance."

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