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/ Spare & Wear Parts / Mechanical Parts / Bearings / Ball Bearings / Thin Section Ball Bearings

Thin Section Ball Bearings Compact Bearings for Space-Constrained and High-Precision Applications

Ultra-thin cross-section to reduce system weight and dimensions
Constant cross-section across bore sizes for design flexibility
Available types: radial (C), angular contact (A), and four-point contact (X)
Precision-grade tolerances for minimal runout and high rotational accuracy
Sealed or open designs with grease or oil lubrication options
Material options include chrome steel, stainless steel, and hybrid ceramic
Low torque operation with reduced inertia and vibration

Robotic joints and arms
Semiconductor handling systems
Aerospace actuators and mechanisms
Medical imaging and surgical devices
Optical gimbals and precision instruments
Rotary encoders and measuring equipment
Compact gearboxes and motors
Cleanroom and vacuum-compatible assemblies

Whether you’re designing a lightweight robotic system or replacing a bearing in a compact actuator, our experts can assist with part number verification, dimensional matching, load analysis, and material selection. We support OEM engineers and maintenance teams with full documentation and engineering data.

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We offer a specialized selection of thin section ball bearings, available in both original and compatible formats from leading global brands such as SKF, FAG, NSK, NTN, and INA. These bearings are engineered to minimize weight and envelope size while maintaining performance in applications where space, mass, or rotational inertia are critical factors.

Thin section bearings are characterized by their constant cross-section design across a range of bore sizes, which simplifies engineering and improves interchangeability. Available in multiple types—including radial contact (C-type), angular contact (A-type), and four-point contact (X-type)—they provide flexibility to handle radial, axial, or combined loads within a compact footprint.

These precision bearings are ideal for advanced mechanical systems such as robotics, aerospace mechanisms, medical devices, optical assemblies, and semiconductor equipment. We supply models with open or sealed configurations, various contact angles, and materials such as stainless steel or hybrid ceramic to suit specialized environments.