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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.
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Unit of Measure

Key Dimensions

Rows per Set

 N/A Triplex

Design Units

 N/A Metric

d - Bore

 N/A 55 mm

Ball Type

 N/A STEEL

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 2MM9111WI TUM

World Part Number

 N/A 7011C-T-P4S-TUM

Grease

 N/A Isoflex NBU 15

Preload

 N/A Medium

Dimensions

D - Outer Diameter

 N/A 3.543 in90 mm

Bearing Width

 N/A 0.709 in18 mm

Total Width

 N/A 2.126 in54 mm

Contact Angle

 N/A 15 º

Basic Load Ratings

C0 - Static Radial Rating (per row)

 N/A 6420 lbf28600 N
Ce - Dynamic Radial Rating (per row)1 N/A 8500 lbf37800 N

C1 ISO - Dynamic Radial Rating (per row)

 N/A 7730 lbf34400 N

Factors

Limiting Speed (Grease) (per row)

 N/A 14700 rpm

Limiting Speed (Oil)

 N/A 29400 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 2.450 in62.2 mm

Da - Outer Ring Backing Diameter

 N/A 3.280 in83.3 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.