MITSUBISHI MR-J3-60B AC Servo 2418 ELL
The outer ring shows 6200-2RS, so you can verify it without opening the package.
MITSUBISHI MR-J3-60B AC Servo 2419 ELL
What stands out about the 6201-2RS 6201-RS1 is how quietly it runs in compact devices.
MITSUBISHI MR-J3-60B AC Servo 2420 ELL
You will find that the 30x62x25mm size fits many standard setups without any fuss.