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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Timken® angular contact ball bearings are designed for combination radial and axial loading. Single-row bearings have high thrust capacity in one direction. Some single-row bearings are specifically designed for duplex mounting in sets for maximum performance.
Unit of Measure

Specifications

Rows per Set

 N/A Single

Design Units

 N/A Metric

d - Bore

 N/A 101.600 mm

Ball Type

 N/A STEEL

Cage Type

 N/A CR - Phenolic Outer Land Riding Cage

Manufacturing Part Number

 N/A MM9321WI 3HSUL

Dimensions

D - Outer Diameter

 N/A 5.7087 in145 mm

Bearing Width

 N/A 0.8750 in22.23 mm

Total Width

 N/A 0.875 in22.23 mm

Contact Angle

 N/A 60 º

Basic Load Ratings

C0 - Static Radial Rating (per row)

 N/A 26000 lbf115700 N
Ce - Dynamic Radial Rating (per row)1 N/A 12900 lbf57400 N

C1 ISO - Dynamic Radial Rating (per row)

 N/A 11630 lbf51800 N

Factors

Limiting Speed (Grease) (per row)

 N/A 1000 rpm

Limiting Speed (Oil) (per row)

 N/A 2000 rpm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius2 N/A 0.039 in1.00 mm
r - Outer Ring "To Clear" Radius3 N/A 0.039 in1 mm

da - Inner Ring Backing Diameter

 N/A 4.8345 in122.796 mm

Da - Outer Ring Backing Diameter

 N/A 4.875 in123.825 mm
  • 1 Based on 106 revolutions of calculated fatigue life.
  • 2 Maximum housing fillet radius that bearing corners will clear.
  • 3 Maximum shaft fillet radius that bearing corners will clear.