NSK Tapered Roller Bearings, Single-Row Metric Design HR30311J ,D=55 ESD Dual-Purpose Screwdriver Set System 4 Standards are prepared using calibrated

Standards are prepared using calibrated equipment

Reference Mechanical Grease Oil N228W 140 250 42 3 3 　 221 297 375 3400 　 2000 2400 8

Entire length (using)(mm) 630 Weight(g) 975 Cutting guide(mm) 36

integrates the protective insulation into the blade

Do not push

NSK Tapered Roller Bearings, Single-Row Metric Design HR30311J ,D=55 ESD Dual-Purpose Screwdriver Set System 4 Standards are prepared using calibratedNSK Tapered Roller Bearings, Single Row Metric Design HR30311J ,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 HR30311J 55 120 31. 5 29 25 2. 5 2 150 171 3200 4300 2FB 0. 35 1. 7 0. 96 1. 63 DESIGN, TYPES, AND FEATURES Tapered roller bearings are designed so the apices