71903 17x30x7mm Premium ABEC-5 Angular Contact Ceramic Bearing 50x90x20 h a e b S2

h a e b S2 S1 g W B1 n 1-15/16" 7-1/4" 5-13/32" 2-1/8" 13/16" 21/32" 21/32" 3-27/32" 1-15/16" 3/4" ✅ Dynamic load rating (Cr): 29

Use short screws or bolts to avoid jamming rotation

Equivalents: 61904-2RS1/61904RS1 Bearings

Perfect for lab gear

71903 17x30x7mm Premium ABEC-5 Angular Contact Ceramic Bearing 50x90x20 h a e b S271903 P5 Open Single Row Angular Contact Ball Bearing Premium ABEC 5 Quality One Bearing 71903 Open Single Row Angular Contact Premium ABEC 5 Ball Bearing with ceramic Si3N4 balls, inner diameter is 17mm, outer diameter is 30mm and width is 7mm, Made of stainless steel. 71903 Ball Bearing Single Row Angular Contact Ball Bearing Closures: Open Cage: PHENOLIC Ball: SI3N4 Ceramic Quality: Premium ABEC 5 = P5 Dimensions: 17mm x 30mm x 7mm (Metric) inner