MR 106 ZZ ZEN 6x10x3 - Miniature Deep Groove Ball Bearing

Applications

The MR 106 ZZ ZEN 6x10x3 miniature ball bearing is engineered for compact, high-performance assemblies where space, speed and reliability matter. As a precision deep groove ball bearing with metal shields on both sides (ZZ), it excels in industrial applications, including small motors, robotic joints, instrumentation drives, micro gearboxes and high-speed spindles. Its 6 mm inner diameter, 10 mm outer diameter and 3 mm width make it ideal for miniature bearing units in industrial automation, instrumentation and machine tool environments.

Advantages

• Metal shielded (ZZ) design provides excellent protection against dust, debris and contamination while preserving internal lubrication and enabling long service life.

• Miniature format (6x10x3 mm) suits tight-space installations, enabling designers of small gearboxes, precision drives or high-speed rotating equipment to utilize a premium bearing in limited envelope.

• High durability and high speed readiness - the bearing is factory-greased and optimized for minimal friction, making it well-suited for high-RPM applications and demanding load cycles.

• Industrial grade material and manufacturing precision - ensures stable performance, minimal vibration and consistent lifetime in demanding production or automotive settings.

Technical Data

• Type: Single-row deep groove ball bearing

• Model: MR 106 ZZ ZEN

• Internal Diameter (d): 6 mm

• External Diameter (D): 10 mm

• Width (B): 3 mm

• Shielding: Metal shields both sides (ZZ)

• Material: Chrome steel bearing grade

• Lubrication: Factory pre-lubricated, maintenance-free for standard conditions

• Typical applications: Miniature motors, instrumentation drives, automation gearboxes, micro machines, robotics

• Designed for: Radial loads and moderate axial loads, high RPM operation

Description

The MR 106 ZZ ZEN 6x10x3 miniature ball bearing stands out as a premium component for precision assemblies requiring both compact design and robust performance. With its deep groove design, it efficiently supports radial loads and moderate axial forces, while the metal shields (ZZ) guard against ingress of contaminants and extend the service life of the bearing unit.

Because the bearing is factory-lubricated, it is ready for immediate installation, reducing maintenance effort and ensuring reliability from the outset. The 6x10x3 mm size makes it particularly suited to applications in small motors, instrumentation drives, robotics or miniaturised gearboxes — wherever a high-quality bearing unit must deliver stable, high-speed and long-life performance in a confined space.

Industrial designers, procurement managers and maintenance engineers value this bearing for its combination of compact form, high precision and proven durability in industrial applications, automation equipment and high-speed machinery.

FAQ - Frequently Asked Questions

Q1: What does the “ZZ” suffix denote on MR 106 ZZ?
A1: “ZZ” indicates that the bearing is equipped with metal shields on both sides, offering protection against dust and particles while maintaining low friction.

Q2: What kind of loads can the MR 106 ZZ ZEN handle?
A2: It is designed primarily for radial loads and can also accommodate moderate axial loads, making it suitable for many miniature motor and gearbox applications.

Q3: Is the MR 106 ZZ ZEN pre-lubricated?
A3: Yes. The bearing comes factory-lubricated, so it is ready for direct installation with minimal initial servicing.

Q4: Why choose a miniature bearing size like 6x10x3 mm?
A4: The compact size allows integration into tight spaces where high precision and speed are required—such as small motors, robotic joints or instrumentation.

Q5: In which applications is this type of bearing typically used?
A5: Typical uses include precision robotics, small gearboxes, micro-motors, instrumentation equipment, RC models and automation drives where reliable, high-speed rotation is critical.

Meaning of the “MR” Bearing Prefix

The prefix “MR” in the bearing code MR 106 ZZ ZEN stands for Miniature Radial, referring to a miniature deep groove ball bearing designed for compact precision mechanisms.
These bearings are typically used in electronics, robotics, model engineering, micro gearboxes, and medical devices, where space is limited but rotational accuracy is critical.

Key technical meaning:

• M = Miniature - indicates small-scale bearing dimensions, often under 10 mm bore.

• R = Radial - specifies that the bearing is optimized for radial loads with limited axial capacity.

In contrast to standard metric bearings (such as the 6000 or 6200 series), MR-series bearings are built to deliver high precision, low friction, and light-load performance in high-speed and low-torque systems.

This makes the MR 106 ZZ ZEN 6x10x3 a preferred choice for engineers designing miniature assemblies that demand accuracy, reliability, and longevity in tight mechanical spaces.