Thin Section Bearings for Aerospace Equipment

Application

Typical Aerospace Equipment Applications

Airborne Gimbals

Compact precision support for electro-optical and sensor gimbals.

Satellite Mechanisms

Low-mass rotary support for deployment, pointing and payload mechanisms.

Antenna Drive Systems

Large-bore compact bearings for airborne and space antenna positioning.

Optical Payloads

Low-runout support for cameras, scanners and stabilized optical platforms.

Lightweight Rotary Modules

Space-saving support for compact actuators, turrets and positioning systems.

Types

Recommended Bearing Structures

Deep Groove Thin Section Ball Bearings

Support radial loads and moderate axial loads with low friction and compact cross-section.

Angular Contact Thin Section Ball Bearings

Suitable for combined loads, higher rotational accuracy and axial positioning requirements.

Four-Point Contact Thin Section Ball Bearings

Compact single-bearing solution for radial, axial and tilting moment loads.

Super Duplex Angular Contact Ball Bearings

High rigidity and precision for paired or integrated angular contact arrangements.

Flanged Thin Section Bearings

Simplified mounting and positioning for compact housings and lightweight rotary modules.

Requirements

Application Design Requirements

Weight & Space Reduction

Airborne systems prioritize low mass, small cross-section and efficient packaging.

Precision Pointing

Payloads and sensors require low runout and stable angular positioning.

Temperature & Environment

Operating temperature, storage, lubrication and environment must be defined.

Low Friction & Power Consumption

Actuator torque and energy use depend on bearing friction and preload.

Custom Qualification Data

Application-specific documents and testing requirements should be agreed before production.

Selection

Selection Information

Information Customers Can Provide

Equipment type and mechanism position
Existing bearing number or target dimensions
Load, moment and motion profile
Operating and storage temperature
Runout and pointing accuracy
Lubrication and sealing requirements
Drawing and acceptance criteria

CHG Assessable Content

Suitable bearing structure
Material and clearance direction
Preload and friction direction
Precision and runout inspection
Lubrication and seal options
Custom dimensions and flange
Documentation and inspection plan

ADVANTAGES

Why Choose CHG

Low-Mass Design Support

Thin cross-sections help reduce rotating mass and system envelope.

Precision Motion

Solutions can be reviewed for low runout, stable pointing and low friction.

Custom Environmental Review

Material, clearance, lubrication and sealing can be reviewed according to temperature and operating conditions.

Documentation Support

Drawings, inspection items and order-specific quality documents can be agreed before production.

Optical Equipment

Thin section bearings for optical gimbals and imaging systems.

Radar Turntables

Precision support for antenna and tracking mechanisms.

Lightweight Equipment

Space-saving bearings for low-mass rotary systems.

Precision Rotary Mechanisms

Solutions for compact precision positioning mechanisms.

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