NSK Cylindrical Roller Bearings, Single-Row  NF-Type, NF228W ,D=140 Series_37^7000 forehead protection cushion (high-end type)-

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

Cr C0r Grease Oil 5311 55 120 49

Material (blade / drill) 　Carbon steel / carbon steel Shank shape 　10 mm three-sided axis Compatible power tool 　Electric drill

Metric Deep Hand Socket Set GS-313M

· Rings are held securely to the tiered nose portion

NSK Cylindrical Roller Bearings, Single-Row  NF-Type, NF228W ,D=140 Series_37^7000 forehead protection cushion (high-end type)-NSK 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