Product Description – NTN Adapter Sleeve HE 317 (Proper Size)
Product Name: Adapter Sleeve HE 317
Brand: NTN (bearing accessory for imperial shaft applications)
Type: Adapter sleeve with locknut (KM 17) and locking washer (MB 17) (typically supplied together)
Application: Used to mount tapered-bore bearings securely onto a smooth or stepped shaft without needing machined shoulders, enabling precise axial positioning, easy installation, and disassembly. Ideal for industrial machinery, gearboxes, conveyors, and other mechanical systems.







