Menu
Batch CAD Cart (0) ▾
  • Cart is empty
  1. Click Here for Batch Download
Request Information Add to CAD Cart
  • 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

Specifications

Bore d

 N/A 400 mm

Static Load Rating Co

 N/A 7210000 N1621000 lbf
Dynamic Load Rating C11 N/A 3970000 N893000 lbf
Geometry Factor Cg2 N/A 0.2740

Thermal Speed Ratings - Oil

 N/A 460 rpm

Thermal Speed Ratings - Grease

 N/A 430 rpm

Bearing Dimensions

O.D. D

 N/A 600 mm23.6220 in

Width B

 N/A 200 mm7.874 in

DUR/DOR F/E

 N/A 449 mm17.6772 in

Mounting Data

Chamfer rsmin

 N/A 5 mm0.2 in
Chamfer r1smin3 N/A 5 mm0.200 in

Backing Shaft Diameter ds

 N/A 440 mm17.3200 in

Backing Housing Diameter Ds

 N/A 560 mm22.0500 in

Lubrication Data

Lubrication Groove g

 N/A 19.3 mm0.76 in

Lubrication Hole Diameter h

 N/A 9.5 mm0.37 in

Number of Lubrication Holes

 N/A 10
Dimension S4 N/A 8.20 mm0.320 in
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 2 Cg factor for bearing without inner ring.
  • 3 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 4 Permissible axial displacement from normal position of one bearing ring in relation to the other.
By clicking Submit, you consent to the personal information you provide being used in the manner as described in our Privacy Notice, including access to that information by Timken personnel who may be located outside your home country. In addition, you agree that the CAD drawings are for your personal, one-time use only, and that you will not modify or create any compilation or derivative work using the CAD drawings or distribute or display the CAD drawings on any website or other media.