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

Manufacturing Part Number

 N/A MM50BS90TUM

Rows per Set

 N/A Triplex

Design Units

 N/A Metric

Bore (d)

 N/A 50.000 mm

O.D. (D)

 N/A 3.5433 in90.000 mm

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 9310 lbf41400 N

Ball Type

 N/A STEEL

Cage Type

 N/A CR - Phenolic Outer Land Riding Cage

Other Dimensions

Bearing Width

 N/A 0.5906 in15 mm

Total Width

 N/A 1.7718 in45 mm

Contact Angle

 N/A 60 º
Max Shaft Fillet Radius1 N/A 0.031 in0.8 mm

Shaft Backing Shoulder Diameter

 N/A 2.862 in72.695 mm

Housing Backing Shoulder Diameter

 N/A 2.9064 in73.823 mm

Ratings

Static Radial Load Rating (C0)

 N/A 13700 lbf60900 N

Limiting Speed - Grease

 N/A 2200 rpm

Limiting Speed - Oil

 N/A 4400 rpm

C1 ISO - Dynamic Radial Rating (per row)

 N/A 8390 lbf37300 N

Abutment and Fillet Dimensions

r - Outer Ring "To Clear" Radius2 N/A 0.031 in0.8 mm
  • 1 Maximum housing fillet radius that bearing corners will clear.
  • 2 Maximum shaft fillet radius that bearing corners will clear.