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

Key Dimensions

Rows per Set

 N/A Quadruplex

Design Units

 N/A Metric

Bore (d)

 N/A 12 mm

O.D. (D)

 N/A 1.457 in37 mm
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 2420 lbf10800 N

Ball Type

 N/A Ceramic

Cage Type

 N/A CR - Phenolic Outer Land Riding Cage

Cage Material

 N/A MBR Cage

Precision Rating

 N/A ISO P4S (ABEC 7/9)

Manufacturing Part Number

 N/A 3MMC301WI QUM

Preload

 N/A Medium

Other Dimensions

Bearing Width

 N/A 0.472 in12 mm

Total Width

 N/A 1.890 in48 mm

Contact Angle

 N/A 25 º
Max Shaft Fillet Radius2 N/A 0.039 in1.00 mm

Shaft Backing Shoulder Diameter

 N/A 0.690 in17.4 mm

Housing Backing Shoulder Diameter

 N/A 1.270 in32.1 mm

Ratings

Static Radial Load Rating (C0)

 N/A 920 lbf4090 N

Limiting Speed - Grease

 N/A 51400 rpm

Limiting Speed - Oil

 N/A 102800 rpm

C1 ISO - Dynamic Radial Rating (per row)

 N/A 2200 lbf9820 N

Abutment and Fillet Dimensions

r - Outer Ring "To Clear" Radius3 N/A 0.039 in1 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.