NSK Deep Groove Ball Bearings 6318 ,Single-Row D=90 Type_25^Single-Row  Nj-Type less than 490N/mm2 in tensile

less than 490N/mm2 in tensile strength ③Hard steel: Steel which less than 31HRC in hardness

Phillips: PH1

5 mm or more Drilling range Blade small Φ 15 to 25 mm · blade large Φ 25 to 45 mm Main applicable material and

1 136 106 3000 4000

NSK Deep Groove Ball Bearings 6318 ,Single-Row D=90 Type_25^Single-Row  Nj-Type less than 490N/mm2 in tensileNSK Deep Groove Ball Bearings 6318 ,Single Row D=90 Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min 1) Factor f0 Mass (kg) approx. d D B r min. Cr C0r Grease Oil 6318 90 190 43 3 143 107 3600 4300 13. 3 4. 98 DESIGN, TYPES, AND FEATURES SINGLE ROW DEEP GROOVE BALL BEARINGS Single row deep groove ball bearings are classified into the types shown below. The proper amount of good quality grease is packed in shielded