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60 Series
Home Deep Groove Ball Bearings 60 Series

6019 Open Deep Groove Ball Bearing | High-RPM Design | 95×145×24 mm

6019 Open Deep Groove Ball Bearing | High-RPM Design | 95×145×24 mm

The 6019 Open is a high-precision, unshielded single-row radial bearing engineered for applications where high rotational speeds and low torque are paramount. Without the friction of contact seals, this "Open" design allows for the free circulation of oil or grease, ensuring optimal cooling during high-speed cycles. Featuring a 95 mm bore, 145 mm outer diameter, and 24 mm width, the 6019 is a staple in the ISO 6000 series, favored by engineers for its high-load capacity relative to its slim radial cross-section.

6019 Open Deep Groove Ball Bearing 95×145×24 mm | ISO 6000 Series – Extra Light | Open Configuration (No Seals/Shields)

Constructed from vacuum-degassed GCr15 bearing steel, the 6019 Open delivers exceptionally smooth rotation and minimal vibration. The open architecture is specifically intended for use in enclosed housings such as gearboxes or oil-mist systems, where the machine’s internal lubrication system provides consistent cooling and debris filtration. This model supports significant radial loads and moderate axial loads, making it a versatile choice for large-scale industrial rotors.

6019 Open Deep Groove Ball Bearing | High-RPM Design | 95×145×24 mm

Comprehensive Applications

The 6019 Open is the standard choice for enclosed mechanical systems with dedicated lubrication:

Industrial Gearboxes & Transmissions
  • High-Torque Reduction Gears
  • Automated Transmission Shafts
  • Planetary Gear Carriers
  • Industrial Speed Reducers
Precision Engineering & Spindles
  • Lathe Headstock Spindles
  • High-Speed Milling Centers (Oil-Lubricated)
  • Precision Rotary Tables
  • Grinding Machine Drives
Energy & Power Generation
  • Large Alternator Rotor Shafts
  • Wind Turbine Pitch Control Drives
  • Steam Turbine Auxiliary Systems
  • Hydro-Electric Governor Gears
Centrifugal & Vacuum Technology
  • High-Capacity Centrifugal Blowers
  • Industrial Vacuum Pump Assemblies
  • Turbo-Compressor Shaft Supports
  • Fluid Extraction Turbines

Key Performance Features

01. Unrestricted Speed Potential

By eliminating the contact friction found in sealed (2RS) or shielded (2Z) versions, the 6019 Open achieves significantly higher limiting speeds. This makes it the preferred configuration for high-frequency motors and rapid-rotation industrial equipment where thermal buildup must be avoided.

02. Enhanced Heat Dissipation

The absence of closures allows for maximum airflow and lubricant flow around the raceways and balls. In high-temperature environments, this open design prevents heat from being trapped inside the bearing, effectively extending the fatigue life of the chrome steel components.

03. Optimized for Oil-Mist & Bath Systems

In systems where the bearing is submerged in an oil bath or subjected to oil-mist lubrication, the 6019 Open ensures that fresh lubricant reaches the contact points immediately upon startup, reducing wear and energy consumption during the "break-in" period.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 60 Series – Extra Light Duty
Basic Designation 6019
Suffix Open (No Suffix)
Bore Diameter (d) 95 mm
Outer Diameter (D) 145 mm
Width (B) 24 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / ABEC-1 / P5 Grade Available
Cage Material Riveted Steel or Brass Cage Options
Dynamic Load Rating (Cʳ) 63.7 kN
Static Load Rating (C₀ʳ) 54.0 kN
Limiting Speed (Grease) 4,300 r/min
Limiting Speed (Oil) 4,500 - 5,300 r/min
Weight (approx.) 1.15 kg

Interchange Part Numbers

Standard equivalents from leading global manufacturers:

  • SKF: 6019
  • NSK: 6019
  • FAG: 6019
  • KOYO: 6019
  • NTN: 6019
  • TIMKEN: 6019

Design & Configuration

The 6019 Open is supplied with a high-strength pressed steel cage as standard. For applications involving extreme temperatures, we offer C3 Internal Clearance to manage thermal expansion between the shaft and housing. While the open design offers the highest speed ratings, it is recommended for use in clean, enclosed environments. If your application is exposed to dust or moisture, please consider our 6019-2RS (Rubber Sealed) or 6019-2Z (Metal Shielded) versions.

"The 6019 Open combines a slender radial profile with elite speed capabilities, providing a high-performance solution for engineers designing precision large-shaft machinery."

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