62300 Series Bearings

Ultra-precision performance with maximum radial stiffness

Extra wide inner ring 62300 series bearings deliver maximum radial stiffness and ultimate shaft support for the most demanding precision applications where deflection must be minimized. These premium bearings are engineered for critical precision equipment.

12-100mm
Bore Range
4,200
Max RPM
20
Models
192.0kN
Max Load
View All Models Technical Specifications
Extra Wide Inner Ring Ball Bearing - RHD Bearings

RHD PERFORMANCE GRADES

Engineered for ultra-precision applications & maximum stiffness requirements

1,440 RPM

RHD V2

62300 Series Bearings

Ultra-stiff solution for precision applications. Maximum radial stiffness for scientific instruments, metrology equipment, and high-precision manufacturing systems.

Ultra-Stiff Scientific Metrology
Most Popular
2,880 RPM

RHD V3 Ultra

62300 Series Bearings

Premium precision performance. Our bestselling grade for ultra-precision machine tools, coordinate measuring machines, and critical manufacturing equipment.

Ultra-Precision Machine Tools CMM
Elite Performance
6,000+ RPM

RHD V4 Max

62300 Series Bearings

Maximum precision and stiffness. Elite-grade bearings for semiconductor fabrication, advanced research instruments, and critical aerospace applications.

Semiconductor Elite Research

Ultra-Precision Equipment Excellence

RHD's V3 Ultra and V4 Max 62300 series bearings are specifically engineered for ultra-precision applications where maximum radial stiffness is paramount. Our extra wide inner ring design provides unprecedented shaft support and minimal deflection under load, making these bearings the preferred choice for coordinate measuring machines, ultra-precision machining centers, and advanced research equipment. With precision grades up to P2 super precision and ceramic hybrid options available, these bearings enable sub-micron accuracy in the most demanding applications. From semiconductor fabrication tools to quantum research instruments, RHD 62300 series bearings provide the ultimate combination of stiffness, precision, and reliability that critical applications require.

TECHNICAL SPECIFICATIONS

Comprehensive engineering data for ultra-precision applications

Specification Range Standard
Bore Diameter 12mm - 100mm ISO 15:2011
Outer Diameter 37mm - 215mm ISO 15:2011
Width 17mm - 73mm ISO 15:2011
Load Capacity 12.0kN - 192kN ISO 281:2007
Speed Range 3,000 - 24,000 RPM Oil lubrication
Temperature Range -30°C to +120°C Standard materials

PRODUCT MODELS

Complete range of 62300 series ultra-precision bearings

APPLICATIONS

Ultra-precision solutions for critical applications

Ultra-Precision Applications

  • Ultra-precision machine tool spindles
  • Coordinate measuring machines
  • Precision optical equipment
  • Scientific instrument assemblies
  • High-end CNC machines
  • Precision grinding equipment
  • Metrology equipment
  • Semiconductor fabrication tools

Key Requirements: Ultra-high stiffness, sub-micron accuracy, minimal thermal drift

Research & Development

  • Advanced research instruments
  • Experimental physics equipment
  • Aerospace testing equipment
  • Materials research machinery
  • Advanced microscopy systems
  • Precision calibration equipment
  • High-energy physics detectors
  • Quantum research instruments
  • Advanced manufacturing R&D
  • Precision measurement standards

Key Requirements: Maximum stiffness, ultimate precision, experimental reliability

Advanced Manufacturing

  • Ultra-precision machining centers
  • Advanced semiconductor equipment
  • Precision assembly automation
  • High-end production machinery
  • Critical aerospace manufacturing
  • Precision medical device production
  • Advanced optical manufacturing
  • Ultra-high precision grinding
  • Nano-scale manufacturing equipment
  • Critical defense applications

Key Requirements: Maximum load capacity, ultimate precision, mission-critical reliability

BEARINGS