NSK Deep Groove Ball Bearings 6311DDU ,Single-Row D=55 Series_35^5200 material Stainless steel Hardness (HRC)

material Stainless steel Hardness (HRC) 50 ~ 55 (blade part) Product Code

0  1 1/2  40

43 Specification

An easy-to-see fluorescent color scale

NSK Deep Groove Ball Bearings 6311DDU ,Single-Row D=55 Series_35^5200 material Stainless steel Hardness (HRC)NSK Deep Groove Ball Bearings 6311DDU ,Single Row D=55 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 6311DDU 55 120 29 2 71. 5 44. 5 4000 13. 1 1. 37 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