Fafnir® Single Row Ball Screw Support Bearings (MM-BS) Timken MM55BS120 SUM

Описание

Timken® angular contact ball bearings are designed for combination radial and axial loading. Single-row bearings have high thrust capacity in one direction. Some single-row bearings are specifically designed for duplex mounting in sets for maximum performance. Specifications Manufacturing Part Number MM55BS120SUM Rows per Set Single Design Units Metric d - Bore 55 mm Ball Type STEEL Cage Type CR - Phenolic Outer Land Riding Cage Dimensions D - Outer Diameter 120 mm Bearing Width 22.5 mm Total Width 22.5 mm Contact Angle 60 º Basic Load Ratings C0 - Static Radial Rating (per row) 133400 N Ce - Dynamic Radial Rating (per row) 75600 N C1 ISO - Dynamic Radial Rating (per row) 68200 N Factors Limiting Speed (Grease) (per row) 1700 rpm Limiting Speed (Oil) 3400 rpm Abutment and Fillet Dimensions R - Inner Ring "To Clear" Radius1 1 mm r - Outer Ring "To Clear" Radius2 1 mm da - Inner Ring Backing Diameter 96.403 mm Da - Outer Ring Backing Diameter 97.719 mm