NTN BEARING 7311BL1

• Type: Single Row Angular Contact Ball Bearing (Open Type)

• Bore Diameter (d): 55 mm

• Outer Diameter (D): 120 mm

• Width (B): 29 mm

• Design:

  • 73 Series = Medium-duty angular contact bearing series

  • B = 40° contact angle → designed for higher axial load capacity

  • L1 = Special internal clearance or high-speed specification (NTN-specific code for precision or performance variant)

• Load Capacity: Supports high radial and large axial loads in one direction