Product Description – NTN Adapter Sleeve HE 213 (Proper Size)
Product Name: Adapter Sleeve HE 213
Brand: NTN (bearing accessory, inch-series)
Type: Bearing adapter sleeve with locknut and locking washer
Application:
Designed to mount tapered-bore bearings (e.g., 1213K / 20213K) onto 2¼″ (57.15 mm) diameter shafts. Provides secure axial positioning and easy installation/removal of bearings without needing shaft shoulders or steps.







