Seiko Instruments Inc. Precision Machinery Division

An example of bearing process

This page introduces example of general miniature/small bearing manufacturing process.

1. Outer: After heat-treating
2. Inner: After heat-treating

Outer: After heat-treating

No.	Process	Fig.	Machine Model
1	Both Face Grinding		----
2	O.D. Grinding		----
3	O.D. Super Finishing		----
4	Groove Grinding		SG1-OR SIG02αⅡ SIG03α
5	Groove Super Finishing		----

Inner: After heat-treating

No.	Process	Fig.	Machine Model
1	Both Face Grinding		----
2	O.D. Grinding		----
3	O.D. Super Finishing		----
4	Groove Grinding		SG1-IR SG03α-IR
5	I.D. Grinding		SG1-IB SIG02αⅡ SIG03α
6	Groove Super Finishing		----