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

  • 40 degree contact angle for heavy thrust load capacity
  • One-piece, ball-piloted, pressed brass cage
  • Maximum capacity angular contact ball bearing
  • Enhanced raceway finish for quiet running
  • Refined bore diameter tolerance for longer bearing life
  • High-speed capabilities
  • Dimensionally interchangeable with 200 series deep groove ball bearings
Unit of Measure

Key Dimensions

Bore (d)

 N/A 90 mm

O.D. (D)

 N/A 7.4803 in190 mm

Width (C)

 N/A 1.6929 in43 mm
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 40000 lbf177000 N

Other Dimensions

Max Shaft Fillet Radius2 N/A 0.118 in3 mm

Shaft Backing Shoulder Diameter

 N/A 4.090 in103.90 mm

Housing Backing Shoulder Diameter

 N/A 6.930 in176.0 mm

Cage Type

 N/A Machined Bronze Cage

Ball Type

 N/A STEEL

Design Units

 N/A Metric

Manufacturing Part Number

 N/A 7318WNMBRSU

Ratings

Static Radial Load Rating (C0)

 N/A 30500 lbf135000 N

Limiting Speed - Oil

 N/A 2860 rpm

Limiting Speed - Grease

 N/A 2500 rpm
  • 1 Based on 106 revolutions of calculated fatigue life.
  • 2 Maximum shaft fillet radius that bearing corners will clear.