NTN A small diameter ball bearing (shielded on both sides with retaining ring) Inner diameter 20 mm, outer diameter 37 mm, width 9 mm, 6904ZZNR, 1 piece

Catalogue number: 6904ZZNR Features: ●Deep grooves hold the balls, providing a large load capacity compared to general ball bearings. Applications: ●For locations where heavy or impact loads are applied and long life is required. Specifications: ●Inner ring diameter (mm): 20 ●Outer ring diameter (mm): 37 ●Width (mm): 9 ●Operating temperature range (℃): -25 to 120 ●Accuracy grade: JIS B 1514 Grade 0 ●Shield shape: Steel plate shield with snap ring, non-contact on both sides (ZZNR) ●Operating temperature range: -25 to 120℃ Material/Finish: ●High carbon chromium bearing steel