NSK Cylindrical Roller Bearings, Single-Row  NF-Type, NF228W ,D=140 Series_37^7000 14 mm²) Hold-Open Spring: Yes

14 mm²) Hold-Open Spring: Yes Overall Length: 5'' (127

Cr C0r Grease Oil 5311 55 120 49

75 KM-180-1

forehead protection cushion (high-end type)- Lens color: # 1

NSK Cylindrical Roller Bearings, Single-Row  NF-Type, NF228W ,D=140 Series_37^7000 14 mm²) Hold-Open Spring: YesNSK Cylindrical Roller Bearings, Single Row NF Type, NF228W ,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 NF228W 140 250 42 3 3 221 297 375 3400 2000 2400 8. 35 DESIGN, TYPES, AND FEATURES Cylindrical roller bearings are classified into the following types depending on whether or not they have ribs on their