NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU228W ,D=140 Type_26^Single-Row  NU-Type No-load rotation speed (rpm): 11500

No-load rotation speed (rpm): 11500

50 20 38 150 4 73

•Handy design: very small working area (38 mm or 1

for instance

•Handy design: Small working radius for working in hard to reach places

NSK Cylindrical Roller Bearings, Single-Row  NU-Type, NU228W ,D=140 Type_26^Single-Row  NU-Type No-load rotation speed (rpm): 11500NSK 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