MF62 Flanged Bearing | Open / ZZ / 2RS | High Speed Miniature Flange Bearing

MF62 flanged bearing, MF62 open bearing, MF62ZZ shielded bearing, MF62 2RS sealed bearing, 2x6x2.5mm miniature flange bearing, high speed tiny flanged ball bearing for precision models

Product Overview

The MF62 flanged miniature deep groove ball bearing is a mainstream small-size flange bearing in the MF series, optimized for compact miniature transmission systems. Compared with ultra-tiny MF52 bearings, the MF62 features enlarged outer diameter and thicker body structure, delivering improved load capacity and structural rigidity while maintaining ultra-small installation dimensions. The integrated outer ring flange enables tool-free axial positioning, eliminating auxiliary locking parts and greatly simplifying assembly for mini precision equipment.

We provide three versatile sealing configurations: MF62 Open, MF62ZZ double metal shields, and MF62-2RS double rubber seals. Supported with five industrial-grade material options, including standard chrome steel and four stainless steel grades, this bearing fully adapts to dry high-speed operation, dusty workshops, humid environments, salt spray and mild chemical corrosion scenarios for diverse miniature industrial applications.

MF62 Seal Type Features And Practical Applications

1. MF62 Open (No Shield)

Adopts fully open structure with zero contact resistance, delivering the highest rotational speed and heat dissipation efficiency. It supports convenient regular grease replacement and mechanical maintenance. Designed exclusively for clean, sealed indoor precision equipment with stable circulating lubrication. Without dust and water resistance, it is the ideal choice for high-speed, low-torque miniature rotating components.

2. MF62ZZ Double Metal Shields

Equipped with non-contact double-sided steel shields, effectively blocking floating dust, fine particles and processing debris. Pre-filled with high-temperature stable grease for lifelong maintenance-free operation. It retains excellent high-speed performance and only provides dustproof protection, not waterproof. Widely used in dry indoor model equipment, micro motors, precision instrumentation and daily electronic miniature transmission parts.

3. MF62-2RS Double Rubber Seals

Features upgraded contact rubber lip sealing structure, achieving comprehensive protection against dust, moisture, water splashes and oil contamination. The tight sealing cavity locks internal grease firmly to prevent volatilization and leakage, effectively extending service life in variable environments. Slightly increased friction enhances operational stability, perfect for humid indoor spaces and light dust industrial miniature equipment.

Material Characteristics And Industrial Application Scenarios

1. GCr15 Chrome Steel (AISI 52100)

Features: High hardness, outstanding wear resistance and structural stability, with superior dynamic and static load capacity. It runs smoothly and quietly, offering the highest cost performance for standard working conditions, with ordinary anti-rust performance.

Applications: Preferred for dry high-speed miniature equipment, widely applied in model power components, micro drive motors, precision instrument rotating parts and commercial electronic devices.

2. 420 Stainless Steel

Features: Heat-treatable magnetic martensitic stainless steel, with reliable oxidation and rust resistance, excellent impact toughness and stable low-intermittent operation. It is the most cost-effective anti-corrosion solution for general miniature machinery.

Applications: Mildly humid indoor environments, household miniature smart devices, small precision electronic equipment and cost-sensitive anti-rust miniature mechanical projects.

3. 440 Stainless Steel (440C)

Features: Premium high-hardness stainless steel with balanced wear resistance, load capacity and corrosion resistance. It maintains stable performance under medium-speed and micro-load cyclic operation, far more durable than ordinary stainless steel materials.

Applications: Precision medical miniature instruments, food-grade small transmission equipment, light salt spray environment devices and high-stability miniature mechanical components.

4. 304 Stainless Steel

Features: Non-magnetic hygienic austenitic stainless steel, with excellent moisture and weak acid-base corrosion resistance, washable and sterile. Non-hardenable with low hardness, only suitable for low-speed and light-load continuous operation.

Applications: Food processing miniature equipment, sanitary medical auxiliary devices, clean low-speed precision micro instruments and hygienic intelligent equipment parts.

5. 316 Stainless Steel

Features: Molybdenum-enhanced anti-corrosion stainless steel, with superior resistance to chloride erosion, seawater salt spray and chemical corrosion. Non-magnetic and high-temperature sterilizable, suitable for harsh corrosive working environments.

Applications: Marine miniature sensing equipment, chemical micro-instruments, high-grade medical disinfection components and severe corrosion-resistant miniature transmission devices.