NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ228W ,D=140 IREGA only the screw shape is

only the screw shape is the deciding factor when selecting the right bit

Bit length: 70  1x Bit Professional 70 mm (34559)

Smato Maintenance Tool Sets 45 Pieces

White Dial

NSK Cylindrical Roller Bearings, Single-Row  Nj-Type, NJ228W ,D=140 IREGA only the screw shape isNSK Cylindrical Roller Bearings, Single Row Nj Type, NJ228W ,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 NJ228W 140 250 42 3 3 169 395 515 3200 4500 2400 3000 9. 39 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their