ICNEA 3451—Rolling bearing manufacturing

Where 3451 sits

1. C Manufacturing industry
2. 34 General equipment manufacturing industry
3. 345 Manufacturing of bearings, gears and transmission components
4. 3451 Rolling bearing manufacturing

What 3451 includes

• Refers to the manufacture of a precision mechanical component that turns the sliding friction between the running shaft and the shaft seat into rolling friction, thereby reducing friction loss.
• Includes the following rolling bearing manufacturing activities：
• Ball bearings: deep groove ball bearings, self-aligning ball bearings, angular contact ball bearings, thrust ball bearings, other ball bearings;
• Roller bearings: tapered roller bearings, spherical roller bearings, needle roller bearings, cylindrical roller bearings, other roller bearings;
• Spherical ball bearings with seat;
• Combined bearing;
• Linear motion bearings;
• Joint bearings;
• Turntable bearing (slewing bearing);
• Other rolling bearings;
• Bearing spare parts: steel balls (ball balls), needle rollers, rollers, bearing retainers, bearing housings, and other bearing parts;
• The following product manufacturing activities are included in this category;
• P4, P2-level high-speed precision CNC machine tool bearings;
• P5, P4 grade high-speed precision metallurgical rolling mill bearings;
• Industrial robot bearings;
• Bearings for high-speed emus;
• Wind turbine bearings;
• Aero engine bearings;
• Main bearing of shield machine;
• High-performance medical device bearings;
• High-end automotive bearings;
• Marine engineering bearings.

3451 in other systems