• Additional radial load-carrying capability compared to single-row product.
  • Designed to ISO/DIN specified interchangeable dimensions.
  • Sold as complete assembly.

NNU-1
  • Outer rings with solid ribs.
  • Lubrication grooves and holes on outer rings.
  • One solid brass cage.

The radial internal clearance (RIC) for the bearing assembly must be included when ordering the complete assembly.
Unit of Measure

Key Dimensions

Bore (d)

N/A 850 mm

O.D. (D)

N/A 1120 mm44.0945 in

Width (B)

N/A 272 mm10.7087 in
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 6810000 N1530000 lbf

Other Dimensions

Weight

N/A 357.3 Kg794.000 lb

Shaft Backing Shoulder Dia.

N/A 928 mm36.5400 in

Housing Backing Shoulder Dia.

N/A 1047 mm41.2200 in

Max Shaft Fillet Radius LF ID

N/A 0.240 in6 mm

Max Shaft Fillet Radius RF ID

N/A 0.240 in6 mm

Max Housing Fillet Radius LF OD

N/A 0.24 in6 mm

Max Housing Fillet Radius RF OD

N/A 0.24 in6 mm

DUR/DOR F/E

N/A 939 mm36.9685 in

Ratings

Static Radial Load Rating (C0)

N/A 17900000 N4020000 lbf

Thermal Reference Speed - Oil 

N/A 190 rpm

Thermal Reference Speed - Grease 

N/A 170 rpm

Factors

Geometry Factor (Cg) 2 N/A 0.4700
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 2 Cg factor for bearing without inner ring.