Batch CAD Cart (0)
  • Cart is empty
  • 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 190 mm

Static Load Rating Co

N/A 890000 N200000 lbf
Dynamic Load Rating C11 N/A 459000 N103000 lbf
Geometry Factor Cg2 N/A 0.1410

Thermal Speed Ratings - Oil

N/A 1600 rpm

Thermal Speed Ratings - Grease

N/A 1400 rpm

Bearing Dimensions

O.D. D

N/A 260 mm10.2362 in

Width B

N/A 69 mm2.7165 in

DUR/DOR F/E

N/A 212 mm8.3465 in

Mounting Data

Chamfer rsmin

N/A 2.00 mm0.080 in
Chamfer r1smin3 N/A 2 mm0.080 in

Backing Shaft Diameter ds

N/A 207 mm8.1500 in

Backing Housing Diameter Ds

N/A 242 mm9.53 in

Lubrication Data

Lubrication Groove g

N/A 9.6 mm0.38 in

Lubrication Hole Diameter h

N/A 4.5 mm0.18 in

Number of Lubrication Holes

N/A 6
Dimension S4 N/A 2 mm0.080 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.