Stainless Steel Miniature Deep Groove Ball Bearing 12x18x4mm

The Stainless Steel Miniature Deep Groove Ball Bearing 12x18x4mm is a precision miniature bearing and low price bearing solution designed for industrial machines, CNC equipment, and mini motor applications. Built from high-grade stainless steel with a stamped steel cage, this single-row bearing provides excellent axial and radial load handling, ultra-smooth rotation, and high-speed durability. Ideal for tight-space assemblies, it ensures long-lasting reliability and consistent performance with minimal maintenance.

Lead Time

Quantity (pieces) 1 – 2000 2001 – 10000 > 10000
Lead time (days) 7 10 To be negotiated

Bore Size

12 mm

Outside Diameter

18 mm

Engineered for Precision and Durability | Stainless Steel Miniature Deep Groove Ball Bearing 12x18x4mm

The Stainless Steel Miniature Deep Groove Ball Bearing 12x18x4mm is expertly crafted for engineers, industrial operators, and machinery enthusiasts who demand exceptional performance, reliability, and longevity. Designed from high-grade stainless steel with a stamped steel cage, this miniature bearing features a single-row deep groove structure that ensures efficient axial and radial load handling. With ZZ, 2RS, and OPEN sealing options, it prevents contamination from dust, moisture, and debris, maintaining smooth, low-noise operation for precision machinery, small motors, and industrial tools. Its compact design and press-fit compatibility make it perfect for integration in tight spaces while delivering high-speed performance and long service life.

The Stainless Steel Miniature Deep Groove Ball Bearing 12x18x4mm provides a high-quality solution for industrial machines, offering ultra-stable performance under varying load conditions. Its advanced deep groove design reduces friction, minimizes vibration, and enhances rotational accuracy. Ideal for CNC machinery, robotic assemblies, and miniaturized motor applications, this bearing ensures smooth, quiet, and reliable operation. Low-maintenance lubrication options with grease, oil, or dry running further improve performance and extend service life, making it an essential component for professionals and hobbyists alike.

Technical Specifications

Attribute Value
Product Name Stainless Steel Miniature Deep Groove Ball Bearing 12x18x4mm
Applicable Industries Industrial Machines
Precision Rating
P0 P6 P5 P4 P2
Number of Rows
Single row
Inner Diameter
12 mm
Outer Diameter 18 mm
Width 4 mm
Sealing Type
ZZ 2RS OPEN
System of Measurement Metric
Material
Stainless Steel
Cage Material
Stamped Steel Plate
Bearing Type Deep Groove Ball Bearing
Load Type Axial & Radial Load Ball Bearings
Lubrication
Dry/Grease/Oil
Feature
High Speed, Low Noise
Noise Level
Z1,Z2,Z3
Vibration Level
V1 V2 V3 V4
Clearance C2 C0 C3 C4 C5
Structure Type Deep Groove Structure
Bore Type Cylindrical Bore
Fit Type Press Fit
Housing Compatibility Suitable for standard bearing housings

Why Choose Stainless Steel Miniature Deep Groove Ball Bearing 12x18x4mm?

🔹 Used in multiple industries including manufacturing, construction, and industrial machines
🔹 Compact inner diameter of 12 mm and outer diameter of 18 mm for miniature applications
🔹 High precision ratings: P0, P6, P5, P4, P2 for superior performance
🔹 Single row deep groove structure enhances stability and axial/radial load handling
🔹 Press-fit compatibility for standard bearing housings
🔹 High-speed operation with low-noise and vibration levels Z1-Z3, V1-V4
🔹 Clearances available: C2, C0, C3, C4, C5 for precise mechanical adjustments
🔹 Suitable for mini motors, CNC machines, industrial tools, and automation equipment

Maintenance Tips for Longevity

🔹 Clean bearings regularly using a safe solvent to prevent debris accumulation
🔹 Reapply grease or lubrication after cleaning to maintain smooth operation
🔹 Avoid exposure to water or wet surfaces to prevent corrosion
🔹 Use proper tools for installing or removing bearings to avoid damage
🔹 Store in a cool, dry place to preserve integrity and performance

Order Now – Get Your Stainless Steel Miniature Deep Groove Ball Bearing 12x18x4mm Today!

Upgrade your miniature motors, CNC machines, or industrial tools with the Stainless Steel Miniature Deep Groove Ball Bearing 12x18x4mm. Engineered for low-noise operation, high-speed performance, and long-lasting reliability, this bearing ensures your machinery runs efficiently with minimal maintenance. Invest in precision and durability today and experience smooth, controlled performance from the very first rotation.

The Stainless Steel Miniature Deep Groove Ball Bearing 12x18x4mm is not only built for performance but also designed for versatility and ease of use. Its single-row deep groove design and stamped steel cage make it compatible with a wide range of industrial applications, from mini motors and robotics to automation equipment and CNC assemblies. With superior axial and radial load handling, ultra-low noise operation, and high-speed stability, this bearing ensures consistent and reliable functionality even under demanding conditions. Whether you are a professional engineer or a hobbyist working on precision machinery, this miniature bearing delivers durability, smooth rotation, and maintenance-free performance, making it an indispensable component for your projects.

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