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64 Series
Home Deep Groove Ball Bearings 64 Series

6422 Open Deep Groove Ball Bearing For Heavy Industrial Machinery | 110×280×65 mm

6422 Open Deep Groove Ball Bearing For Heavy Industrial Machinery | 110×280×65 mm

The 6422 Open is a heavy-duty single-row deep groove ball bearing engineered for large-scale industrial equipment requiring high load capacity and reliable operation. With a 110 mm bore, 280 mm outer diameter, and 65 mm width, this open-type bearing delivers exceptional radial and axial load support. It is commonly specified for large electric motors, industrial pumps, compressors, and mining equipment where durability and performance under continuous operation are critical. The open configuration accommodates various lubrication methods including oil bath, circulating oil, or grease systems.

6422 Deep Groove Ball Bearing 110x280x65 mm | Standard Series | Open Type

A robust deep groove ball bearing designed for high radial and axial load applications in heavy industrial environments. Featuring an open design for flexible lubrication, the 6422 operates reliably at speeds up to 3,000 r/min (Oil). This bearing is a preferred choice for large rotating machinery where precision, load capacity, and extended service life are essential requirements.

 

 

6422 Open Deep Groove Ball Bearing For Heavy Industrial Machinery | 110×280×65 mm

Comprehensive Applications

Ideally suited for a broad spectrum of heavy industrial and processing equipment:

Industrial Pumps & Fluid Handling
  • Large Centrifugal Pumps
  • Vertical Turbine Pumps
  • Pipeline Booster Pumps
  • High-Pressure Process Pumps
Large Electric Motors & Generators
  • High-Power AC Induction Motors
  • Industrial Generator Sets
  • Medium Voltage Motor Armatures
  • Winding Motors for Steel Mills
Heavy-Duty Compressors
  • Rotary Screw Compressors
  • Reciprocating Compressor Crankshafts
  • Centrifugal Compressors
  • Industrial Air Compressor Systems
Mining & Aggregate Processing
  • Crushers & Grinding Mills
  • Vibrating Screens & Feeders
  • Conveyor Head Pulleys
  • Rotary Breakers

Key Performance Features

01. Substantial Load Carrying Capacity

The 6420 features deep groove raceways engineered to accommodate substantial radial loads and bidirectional axial loads. With dynamic and static load ratings of 247 kN and 227 kN respectively, this bearing delivers reliable performance in heavy machinery applications where consistent operation under load is critical.

02. Open Configuration for Industrial Lubrication Systems

As an open bearing, the 6422 integrates seamlessly with oil bath, circulating oil, or automatic grease lubrication systems common in large industrial equipment. This design allows for optimal lubricant flow, effective heat dissipation, and simplified maintenance scheduling in continuous-duty applications.

03. Precision Manufacturing for Reduced Vibration

Manufactured to standard precision class with optimized internal geometry for smooth operation at moderate to high speeds. The large roller complement and high-grade chrome steel construction contribute to reduced vibration levels and quieter operation in noise-sensitive industrial environments.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 64 Series – Standard Series
Basic Designation 6422
Suffix Open (no suffix)
Bore Diameter (d) 110 mm
Outer Diameter (D) 280 mm
Width (B) 65 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Steel Stamped (Standard), Nylon Also Common
Dynamic Load Rating (Cʳ) 247 kN (55,500 lbs) 
Static Load Rating (C₀ʳ) 227 kN (51,000 lbs)
Limiting Speed (Grease) 2,600 r/min
Limiting Speed (Oil) 3,000 r/min
Weight (approx.) 21.34 kg

Interchange Part Numbers

Direct replacement for:

  • SKF: 6422
  • NSK: 6422
  • FAG: 6422
  • NTN: 6422
  • KOYO: 6422
  • Timken: 6422

Design & Configuration

The 6422 is supplied as an open bearing. For applications requiring additional protection from contaminants or lubricant retention, consult our engineering team about available configurations including:

• 6422-2RS – Double rubber seals for enhanced contamination protection

6422-ZZ – Double metal shields for debris exclusion

Special cage materials – Machined brass or polyamide options available

Enhanced precision – P5 or P4 grades for high-speed applications

"A trusted solution for heavy industrial drives, large pumps, and mining equipment where continuous operation under high loads demands uncompromising bearing performance."

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