IKO Combined Type Bearings represent an innovative bearing solution that integrates multiple bearing functions into a single compact unit. These specialized bearings combine needle roller bearings with thrust bearings, offering unique advantages for applications requiring both radial and axial load capacity in confined spaces.
Technical Specifications
Design Features of IKO Combined Type Bearings
Compact integrated design: Combines radial and axial bearing functions
Needle roller component: Provides high radial load capacity
Thrust bearing component: Handles significant axial loads
Precision-engineered components: Manufactured to exacting tolerances
Optimized contact geometry: Reduces stress concentrations
Performance Characteristics
Load capacity of IKO Combined Type Bearings:
Radial: Up to [X] kN (varies by model)
Axial: Up to [Y] kN (varies by model)
Speed ratings:
Maximum rotational speed: [Z] rpm (model dependent)
Operating temperature range: -30°C to +120°C (standard models)
Friction coefficient: Typically 0.002-0.004
Product Line Variants
IKO offers several series of Combined Type Bearings:
CRBH Series
Most common standard type
Metric dimensions
Various precision classes available
CRBC Series
Enhanced axial load capacity
Different cage options
Improved high-speed performance
CRBF Series
Flanged outer ring version
Simplified axial positioning
Increased mounting rigidity
Special Application Series
Corrosion-resistant versions
High-temperature variants
Custom configurations available
Material Composition
Rings: High-carbon chromium bearing steel (SUJ2 equivalent)
Needle rollers: Precision-ground bearing steel
Cages:
Standard: Pressed steel
Optional: Machined brass or polymer
Seals/Shields: Optional rubber or metal variants
Advantages Over Conventional Bearing Solutions
Space savings: Up to 40% reduction in required installation space compared to separate bearing arrangements
Weight reduction: Combined design eliminates redundant components
Simplified assembly: Single unit reduces mounting complexity
Cost efficiency: Lower total component count reduces procurement and inventory costs
Improved alignment: Integrated design ensures perfect alignment of bearing components
Enhanced rigidity: Unified structure increases system stiffness
Typical Applications
IKO Combined Type Bearings are ideal for:
Industrial robots: Joint bearings in articulated arms
Machine tools: Spindle support and feed mechanisms
Automotive systems: Transmission components, steering mechanisms
Packaging machinery: Cam followers and rotary joints
Medical equipment: Precision motion control systems
Aerospace mechanisms: Actuators and control surfaces
Mounting and Maintenance Considerations
Installation Guidelines
Requires precise housing bore and shaft tolerances
Recommended press fits specified in IKO technical documentation
Proper alignment critical for optimal performance
Special tools available for installation/removal
Lubrication Requirements
Grease-packed as standard
Relubrication intervals depend on operating conditions
Various grease types available for different environments
Oil lubrication options for high-speed applications
Service Life Factors
L10 life calculations based on dynamic load ratings
Contamination protection significantly extends service life
Proper alignment prevents premature wear
Temperature monitoring recommended for critical applications
Comparison with Competitive Products
IKO Combined Type Bearings offer several distinct advantages:
Higher load ratings: Compared to similar-sized competitors
Superior precision: Tighter tolerances than industry standards
More configuration options: Wider range of seals, cages, and materials
Better technical support: Comprehensive application engineering services
Global availability: Extensive distribution network
Technical Support and Resources
IKO provides extensive support for Combined Type Bearing applications:
Online selection tools and CAD model downloads
Engineering calculation software for life prediction
Custom design services for special requirements
Comprehensive technical documentation
Global network of application engineers
This detailed technical profile demonstrates why IKO Combined Type Bearings are the preferred choice for demanding applications requiring compact, high-performance bearing solutions. Their innovative design and proven reliability make them ideal for engineers seeking to optimize mechanical systems.
