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

• 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
• 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.

3451 in other systems