618/4-2Z

The 618/4-2Z deep groove ball bearing is a super-miniature precision bearing originally produced in China. Its core specifications are an inner diameter of 4mm, an outer diameter of 9mm, and a width of 2.5mm. It features a double-sided dust-proof cover (2Z-level protection) design. It is made of 440C stainless steel or GCr15 high-carbon chromium bearing steel. It is pre-filled with lithium-based lubricating grease upon leaving the factory. It has a basic rated static load of approximately 0.11kN, a basic rated dynamic load of 0.29kN, and a grease lubrication rated rotational speed of 80000r/min. It mainly offers core advantages such as compact space, high precision, high rotational speed, double-sided dust-proof sealing, and stable operation under light load. It is suitable for industries that have strict requirements for installation space, operating precision, and double-sided dust-proof protection, such as precision instruments, medical devices, consumer electronics, micro motors, and automation equipment. It has sufficient inventory for 48-hour delivery. It is compatible with ISO standards and can be interchanged with the same model international brands. Additionally, it offers two options: industrial packaging and commercial independent packaging.

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Product Introduction

618/4-2Z Deep Groove Ball Bearing Specification：
Stock Status: Usually dispatched within 48 hours
Inner Diameter: 4mm
Outer Diameter: 9mm
Width: 2.5mm
Material: GCr15 High Carbon Chromium Bearing Steel
Lubrication: Grease
Static Load: 0.11kN
Dynamic Load: 0.29kN
Speed Limit: 80000r/min
Origin Country: China
Current Stock: 205 pieces
This bearing can be used in the following industries:

Precision instruments, medical devices, consumer electronics, micro motors, automation equipment, aerospace micro-components, watch manufacturing, small robots, 3D printing equipment, industrial micro transmission equipment, etc. It is suitable for operating scenarios with limited space, low-load, high-precision, and requiring double-sided dust-proof sealing.

We offer two packaging options:
A: Industrial packaging + export cartons + pallets / wooden crates
B: Commercial individual packaging - rust-proof bags + cardboard boxes (white or the color specified by the customer) + export cartons + pallets / wooden crates

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The numerous advantages of cooperating with Taicheng Bearing Company:
You can purchase goods at discounted prices.
Delivery is prompt. Quality is guaranteed.
Acceptance of small orders is possible

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