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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

Manufacturing Part Number

 N/A MM40BS90-23TUM

Rows per Set

 N/A Triplex

Design Units

 N/A Metric

d - Bore

 N/A 40 mm

Ball Type

 N/A STEEL

Cage Type

 N/A CR - Phenolic Outer Land Riding Cage

Dimensions

D - Outer Diameter

 N/A 3.5433 in90 mm

Bearing Width

 N/A 0.9055 in23 mm

Total Width

 N/A 2.7165 in69 mm

Contact Angle

 N/A 60 º

Basic Load Ratings

C0 - Static Radial Rating (per row)

 N/A 13700 lbf60900 N

Ce - Dynamic Radial Rating (per row)

 N/A 9310 lbf41400 N

C1 ISO - Dynamic Radial Rating (per row)

 N/A 8390 lbf37300 N

Factors

Limiting Speed (Grease) (per row)

 N/A 2200 rpm

Limiting Speed (Oil)

 N/A 4400 rpm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1 N/A 0.031 in0.8 mm
r - Outer Ring "To Clear" Radius2 N/A 0.031 in0.800 mm

da - Inner Ring Backing Diameter

 N/A 2.862 in72.695 mm

Da - Outer Ring Backing Diameter

 N/A 2.9064 in73.823 mm
  • 1 Maximum housing fillet radius that bearing corners will clear.
  • 2 Maximum shaft fillet radius that bearing corners will clear.