Cylindrical Roller Radial Bearings - Single Row ISO Timken NJ2228EMAC3

Описание

Metric Specifications Design Units Metric d - Bore 140 mm Type NJ Dimensions D - Outer Diameter 250 mm C - Inner Ring Width 68 mm B - Outer Ring Width 68 mm Basic Load Ratings C0 - Static Radial Rating 850000 N C - Dynamic Radial Rating1 650000 N Factors Reference Thermal Speed Rating (Grease) 1800 rpm Reference Thermal Speed Rating (Oil)2 2100 rpm Cg - Geometry Factor3 0.1366 Abutment and Fillet Dimensions R - Inner Ring "To Clear" Radius4 2.5 mm r - Outer Ring "To Clear" Radius5 2.5 mm da - Inner Ring Backing Diameter 160 mm