The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Key Features

  • Supports heavy radial loads
  • Low friction roller design allows for high speed applications
  • Separable components simplify mounting and removal
  • Design has two ribs on the outer ring and one rib on the inner ring, making type NJ bearings well suited for use as semi-locating bearings
  • Enhanced operational reliability
  • Long service life
Unit of Measure

Key Dimensions

Bore (d)

 N/A 457.200 mm

O.D. (D)

 N/A 685.800 mm27.0000 in

Width (B)

 N/A 5.5000 in139.700 mm
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 3400000 N764000 lbf

Alternate Part Name

 N/A 180RIN684R3

Other Dimensions

Weight

 N/A 192.2 Kg423.70 lb

Shaft Backing Shoulder Diameter

 N/A 500 mm19.7000 in

Housing Backing Shoulder Diameter

 N/A 643 mm25.3000 in

Max Shaft Fillet Radius LF ID

 N/A 7.9 in0.300 mm

Max Shaft Fillet Radius RF ID

 N/A 7.9 in0.300 mm

Max Housing Fillet Radius LF OD

 N/A 7.9 in0.300 mm

Max Housing Fillet Radius RF OD

 N/A 7.9 in0.300 mm

Design Units

 N/A Metric

Type

 N/A N

Ratings

Static Radial Load Rating (C0)

 N/A 6250000 N1410000 lbf

Thermal Reference Speed - Grease 

 N/A 420 rpm
Thermal Reference Speed - Oil2 N/A 460 rpm

Factors

Geometry Factor (Cg) 3 N/A 0.2651
  • 1 Based on 1 x 106 L10 life for the ISO life calculation method.
  • 2 See thermal speed ratings in the engineering section.
  • 3 Geometry constant for Lubrication Life Adjustment Factor a3l.