10-Pack Sealed Bearing R144-2RS 1/8" x 1/4" x 7/64" - Miniature Bearing outer diameter 140 the NJ214MY inner diameter is

the NJ214MY inner diameter is 70mm

FITS: TAMIYA MADCAP

✅ Races: Si3N4 ceramic inner and outer rings

Dynamic load rating Cr: 90

or small motors

10-Pack Sealed Bearing R144-2RS 1/8" x 1/4" x 7/64" - Miniature Bearing outer diameter 140 the NJ214MY inner diameter isR144 2RS Sealed Ball Bearings 10 Pack 1 8" x 1 4" x 7 64" Rubber Sealed Mini Bearings This 10 pack of R144 2RS deep groove ball bearings is great for compact applications like precision tools, RC models, and electronics. Each bearing measures 1 8" inner diameter, 1 4" outer diameter, and 7 64" width. Double rubber seals keep out dust and debris, while the pre lubricated grease ensures smooth and quiet operation right out of the box. Deep groove design