Super Precision Angular Contact Bearings
- NN3022TN9/SPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NN 30 Series
- Toughmet D
- Periodic lubrication
- NN3020KTN9/UPW33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NN 30 Series
- 1 Open & 1 Close
- Contact with Slinger