61801 INA deep groove ball bearing

INA 61801 Thin Section Deep Groove Ball Bearing (ISO 10 Series)

The INA 61801 is a high-precision rolling component engineered for applications with strictly limited installation space. As part of the thin-section bearing series, it features a 12 mm bore with an outer diameter of only 21 mm and a width of just 5 mm. This geometry enables the design of extremely compact and lightweight bearing arrangements while providing the high rigidity and smooth running performance expected from Schaeffler Group products.

Application

• Robotics & Modeling: Precision joints and drive systems for small-scale robots.
• Electronics & Optics: Rotary mechanisms in scanners, cameras, and measuring devices.
• Medical Equipment: Diagnostic and dental apparatus requiring low frictional torque.
• Bicycle Industry: Hubs and components for high-end racing bicycles.
• Power Tools: Small high-speed motors and micro-grinders.

Technical Specification

• Manufacturer: INA (Schaeffler Group - Germany).
• Designation: 61801 (acc. to DIN 625-1).
• Dimensions: 12 mm (ID) x 21 mm (OD) x 5 mm (Width).
• Internal Clearance: CN (Normal) – optimal for standard operating conditions.
• Cage: Precision pressed steel, suitable for high-speed operation.
• Design: Open type, cylindrical bore.

Features and Benefits

• Extreme Space Efficiency: Slender profile allows for significant device miniaturization.
• Low Frictional Torque: Small ball diameter and precision-engineered raceways minimize resistance.
• High Rigidity: Despite its delicate dimensions, the bearing provides accurate shaft guidance.
• High Speed Capability: The 618 series design excels at very high rotational speeds.
• German Quality: INA brand manufacturing ensures premium steel purity and fatigue life.

Why Choose This Product

By choosing the INA 61801 bearing, you are investing in a premium product that solves space-constraint challenges in your design. In precision mechanisms where every millimeter counts, Schaeffler's thin-section series is unmatched. It guarantees smooth operation, minimal vibration, and long service life, directly enhancing the reliability of your entire equipment.