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62 Series
Home Deep Groove Ball Bearings 62 Series

6230 M Heavy-duty Deep Groove Ball Bearing For Heavy Industrial Drives | 150×270×45 mm

6230 M Heavy-duty Deep Groove Ball Bearing For Heavy Industrial Drives | 150×270×45 mm

The 6230 M is a heavy-duty, single-row deep groove ball bearing engineered for the most demanding industrial applications requiring high load capacity and reliable performance under continuous operation. Featuring a machined one-piece brass cage (M suffix) , this bearing offers superior strength, optimal ball guidance, and low friction, making it ideal for large electric motors, pumps, and heavy machinery where durability and high-speed stability are critical. Its open design allows for flexible lubrication strategies to suit specific operating conditions.

6230 M Deep Groove Ball Bearing 150x270x45 mm | ISO 62 Series – Heavy | Open Type with Machined Brass Cage

This precision bearing utilizes a robust deep groove raceway geometry, enabling stable high-speed performance up to 4,350 r/min (Grease). The 6230 M is engineered to accommodate substantial radial loads as well as axial loads in both directions. The machined brass cage (M) provides exceptional strength and wear resistance, making it exceptionally suited for high-stress applications in heavy industry, power generation, and large-scale pumping systems.

6230 M Heavy-duty Deep Groove Ball Bearing For Heavy Industrial Drives | 150×270×45 mm

Comprehensive Applications

Ideal for a diverse range of heavy-duty and continuous-operation mechanical systems:

Marine & Railway Systems
  • Marine Propulsion Shaft Support
  • Railway Traction Motors and Auxiliary Drives
  • Port and Dockyard Cranes
Infrastructure & HVAC
  • Large Cooling Tower Fans
  • Industrial Vacuum Pumps
  • Cement and Mixing Plant Equipment
  • Steel Mill Roller Tables
Heavy Industrial Machinery
  • Large Electric Motors and Generators (AC/DC)
  • Industrial Fans, Blowers, and Compressors
  • Heavy-Duty Gearboxes and Speed Reducers
  • Pulp and Paper Processing Machinery
Power Generation & Heavy Industry
  • Wind Turbine Drivetrains and Pitch Systems
  • Mining and Mineral Processing Equipment
  • Large Centrifugal Pumps (API and ANSI standards)
  • Crushers and Vibrating Screens

Key Performance Features

01. Robust Design with Exceptional Load Capacity

Conforming to the popular 62-series, the 150×270×45 mm configuration delivers a high dynamic load rating of up to 187 kN. This robust construction, combined with the strength of the brass cage, ensures reliable performance in applications where substantial radial and axial forces are present.

02. High-Strength Machined Brass Cage

The one-piece machined brass cage (suffix M) provides superior guidance to the rolling elements, reducing friction and enabling higher speed capabilities compared to standard pressed steel cages. It also offers enhanced durability in applications involving shock loads or vibration.

03. Optimized for High-Speed and Continuous Operation

Engineered for demanding environments, the 6230 M features a precision-machined raceway that ensures consistent, quiet operation. With limiting speeds up to 4,500 r/min, it supports stable, long-life performance in critical equipment like large electric motors and turbine drivetrains.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 62 Series – Heavy
Basic Designation 6230
Suffix M (One-piece machined brass cage, ball-guided)
Bore Diameter (d) 150 mm
Outer Diameter (D) 270 mm
Width (B) 45 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard (ABEC 1 / ISO P0)
Cage Material Machined Brass (Metal) 
Dynamic Load Rating (Cʳ) 174 - 187 kN  
Static Load Rating (C₀ʳ) 166 - 169 kN
Limiting Speed (Grease) 2,000 - 4,350 r/min
Limiting Speed (Oil) 2,600 - 5,000 r/min
Weight (approx.) 10.4 - 11.8 kg

Interchange Part Numbers

Direct replacement for:

  • SKF: 6230 M / 6230 M/C3
  • NSK: 6230M
  • FAG: 6230-M / 6230-M-C4
  • NTN: 6230M
  • TIMKEN: 6230M

Design & Configuration

The 6230 M is furnished with a machined brass cage as standard, delivering enhanced internal guidance and durability in high-stress or high-vibration environments. As an open-type bearing, it allows for flexible lubrication—whether grease or oil—to be optimized for specific operating conditions. For applications requiring sealing against contaminants, or for electrical pitting protection, consult our sales team for variants like 6230-2Z, 6230-2RS, or 6230M/C3VL0241 (insulated).

"The 6230 M, with its robust brass cage and high load ratings, is the premier choice for heavy industrial drives where long-term reliability under continuous operation is non-negotiable."

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Request a Quote for Ball Bearings
Please submit your inquiry below for detailed product and pricing information. We will get back to you within 24 hours.
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