Item No.: SBPF201~SBPF212, SBPFT201~SBPFT212SBPF200/SBPFT200 Light duty, Setscrew locking,3-Bolt flange housingHousing: Pressed steel Insert bearing: Gcr15(AISI52100) steel,heat treated,precision ground,raceway superfinished. Steel ball:G10 only. Retainer: Low noise refined cage. Lubricant: Low noise,high speed/load SHELL GADUS S2 V220 2 only. Outer ring with grease groove and holes,at same side of setscrew Setscrew port annealed. Phone: +86-592-580 8851 / +86-592-580 7618Email: sales@ldk-bearing.com ; benjamin@ldk-bearings.com