NSK Tapered Roller Bearings, Single-Row Metric Design HR30211J ,D=55 Series_38^7200 material Chrome vanadium steel Hardness

material Chrome vanadium steel Hardness (HRC) 54 ~ 62 (blade part) Blade angle 45 ° Product Code

45 210-6399 SW4 49 78

acid and fuel-resistant

-  19 ×21 × 417 mm

5 DMS-285 285 250 DMS-305 305 275 100% Korean production

NSK Tapered Roller Bearings, Single-Row Metric Design HR30211J ,D=55 Series_38^7200 material Chrome vanadium steel HardnessNSK Tapered Roller Bearings, Single Row Metric Design HR30211J ,D=55 Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min 1) ISO355 Dimensions Series approx. Constant e Axial Load Factors Mass (kg) approx. d D T B C Cone r min. Cup r min. Cr C0r Grease Oil Y1 Y0 HR30211J 55 100 22. 75 21 18 2 1. 5 94. 5 113 3600 5000 3DB 0. 41 1. 5 0. 81 0. 736 DESIGN, TYPES, AND FEATURES Tapered roller bearings are designed so the