NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU228W ,D=140 Dia ø_03^105~200mm 4G MILL SEME7005030 5 6

4G MILL SEME7005030 5 6 30 80 2 23

cross-hatched knurled jaws

SHS Metric screw ring gauge coarse GR2IR2 M16-1

25-50mm Range

5 6 4 55 2 GENERAL HSS EQ401020 2 6 6 55 2 GENERAL HSS EQ401025 2

NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU228W ,D=140 Dia ø_03^105~200mm 4G MILL SEME7005030 5 6NSK Cylindrical Roller Bearings, Single Row NU Type, NU228W ,D=140 Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min 1) Mass (kg) approx. d D B r min. r1 min. Fw Ew Cr C0r Thermal Reference Mechanical Grease Oil NU228W 140 250 42 3 3 169 395 515 3200 4500 2400 3000 9. 21 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their