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 Triplex

Design Units

 N/A Metric

Bore (d)

 N/A 105 mm

O.D. (D)

 N/A 6.299 in160 mm
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 22000 lbf97900 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 2MMC9121WI TUL

World Part Number

 N/A C7021C-T-P4S-TUL

Preload

 N/A XLight

Other Dimensions

Bearing Width

 N/A 1.024 in26 mm

Total Width

 N/A 3.071 in78 mm

Contact Angle

 N/A 15 º
Max Shaft Fillet Radius2 N/A 0.079 in2.0 mm

Shaft Backing Shoulder Diameter

 N/A 4.560 in115.7 mm

Housing Backing Shoulder Diameter

 N/A 5.910 in150 mm

Ratings

Static Radial Load Rating (C0)

 N/A 17890 lbf79570 N

Limiting Speed - Grease

 N/A 9480 rpm

Limiting Speed - Oil

 N/A 18960 rpm

C1 ISO - Dynamic Radial Rating (per row)

 N/A 19900 lbf88700 N

Abutment and Fillet Dimensions

r - Outer Ring "To Clear" Radius3 N/A 0.079 in2 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.