SR144K2W Ceramic ABEC-7 inner & Outer Ring are combined Bearing 1/8" x 1/4" x 7/64"inch 7203CYDUP4BNLS ABEC-5 tolerance ensures smooth

ABEC-5 tolerance ensures smooth

NBK Japan MJC-95CS-EWH 1 inch to 1 inch

5mm Shielded Ball Bearings

Dimensions (inches) h a e b s1 s2 g w Bi n 1-5/16" 5" 3-3/4" 1-11/32" 1/2" 3/4" 17/32" 2-17/32" 63/64" 19/64"

SR144K2W Ceramic ABEC-7 inner & Outer Ring are combined Bearing 1/8" x 1/4" x 7/64"inch 7203CYDUP4BNLS ABEC-5 tolerance ensures smoothSR144K2W Stainless Steel ABEC 7 Outer ring is Separate Retainer : Torlon SR144K2W Hybrid Ceramic ABEC 7 Ball Bearing. Made of stainless steel and has Solid Si3N4 Ceramic balls. Cage is made from Torlon for lowest friction, long life and highest speed. SR144K2W Ball Bearing Angular Contact ball bearing Material: Stainless Steel Quality: ABEC 7 Closures: OPEN Balls: Si3N4 Ceramic (Silicon Nitride) Balls retainer: Torlon Speed: 400,000 RPM Size: 3. 175 x