SKF 51138F Thrust Ball Bearing GermanySKF 51138F Ball Bearing Single Row. Made in Germany. New in original packaging without box. See pictures. SKF 51138F (51138 M) Spec Sheet Overview Specifications: Bore (Inner Diameter): 190 mm Outside Diameter: 240 mm Width (Height): 37 mm Additional Technical Details (from SKF data): Basic Dynamic Load Rating (C): 172 kN Basic Static Load Rating (C): 710 kN Fatigue Load Limit (P): 18 kN Reference Speed: 1,400 rpm Limiting Speed: 2,000 rpm Design