SR144K1TLZN Ceramic ABEC-7 Angular Contact Bearing 1/8" x 1/4" x 3/32"inch NSEBNLM 61821-2Z has ABEC 1 quality

61821-2Z has ABEC 1 quality

NBK Japan MJC-95CS-EBL 25mm to 42mm Jaw-type Flexible Coupling

SMKC60G NB Bearing

NBK Japan MJC-14CS-EGR 3mm to 4mm Jaw-type Flexible Coupling

SR144K1TLZN Ceramic ABEC-7 Angular Contact Bearing 1/8" x 1/4" x 3/32"inch NSEBNLM 61821-2Z has ABEC 1 qualitySR144K1TLZN Stainless Steel ABEC 7 Angular Contact Bearing with separate inner ring Retainer : Torlon SR144K1Z Hybrid Ceramic ABEC 7 Angular Contact 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. Bearing is closed from one side by one metal Shield. Bearing has a groove on the inner ring. SR144K1TLZN Ball Bearing Angular Contact with separate inner ring