The NTN HMK4031LL is a drawn cup needle roller bearing built with double seals to keep contaminants out and lubricant in. It measures 40 mm inside diameter, 50 mm outside diameter, and 31 mm width, making it a compact, high-capacity option for applications with tight radial space constraints. Sold by Pro Gear and Transmission as a genuine NTN part.
Features
Drawn cup needle roller bearing design
Double sealed on both sides
40 mm bore (ID)
50 mm outside diameter (OD)
31 mm width
Genuine NTN part number HMK4031LL
Tech Specs
- Bore (ID): 40 mm
- Outside Diameter (OD): 50 mm
- Width: 31 mm
- Seal Type: Double Sealed
- Design: Drawn Cup Needle Roller Bearing
