Product Introduction

Inner Diameter	30MM(1.18in)
Outer Diameter	72 mm(2.83in)
Width	19 mm(0.75in)
Clearance	C3
Sealing Type	2RSL
Precision Rating	P6
System of Measurement	Metric
Number of Row	Single Row
Vibration	ZV4
Material	Chrome Steel
Rolling Element	Si3N4
Cage	Steel Cage J .copper Cage M.nylon Cage Pa66
Lubrication	Grease
Single gross weight	0.325 kg
Applicable Industries	Other, Food & Beverage Factory, Manufacturing Plant, Medical devices, New energy vehicles, Aerospace, Textile machinery, Robot
Selling Units	Single item
Single package size	8.4X8.4X2.5 cm
Package	Individual Packaging

Ceramic bearings are high-performance mechanical components that use ceramic materials for the rolling elements and cages, instead of traditional steel. They are widely used in high-speed, high-temperature, corrosion-resistant, and precision transmission scenarios.

Main Features

High hardness & wear resistance

Ceramic rolling elements have much higher hardness than steel, which greatly extends service life and reduces maintenance.

Low density & high speed performance

Lighter weight reduces centrifugal force, allowing much higher rotational speed with less heat and vibration.

Excellent high temperature resistance

Stable performance even under high temperature conditions, with low thermal expansion and good dimensional stability.

Corrosion & rust resistance

Ceramic materials do not rust and work well in humid, chemical, or seawater environments.

Low friction & long lubrication life

Lower friction coefficient reduces energy consumption and extends lubrication intervals.

Common Applications

Motors, spindles, and high-speed equipment

Medical instruments, food machinery, and chemical equipment

Bicycles, skateboards, and power tools

Automotive engines, turbochargers, and precision instruments

Advantages Summary

Ceramic bearings provide higher speed, longer life, lower noise, better corrosion resistance, and greater stability compared with traditional steel bearings, making them an ideal choice for demanding working conditions.

Shanghai Yisiou Trading Co., Ltd. is a powerful enterprise with a registered capital of 5 million RMB. Its product matrix includes ceramic bearings, hybrid ceramic bearings, solid oil bearings, tapered roller bearings, cylindrical roller bearings, etc. The products are widely used in aerospace, automotive and other fields, and have reliable performance under extreme conditions. The company is customer-centric and holds an important position in the industry.