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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

Specifications

Manufacturing Part Number

 N/A MM45BS100SUM

Rows per Set

 N/A Single

Design Units

 N/A Metric

d - Bore

 N/A 45 mm

Ball Type

 N/A STEEL

Cage Type

 N/A CR - Phenolic Outer Land Riding Cage

Dimensions

D - Outer Diameter

 N/A 100 mm3.9370 in

Bearing Width

 N/A 22.5 mm0.8858 in

Total Width

 N/A 22.5 mm0.8858 in

Contact Angle

 N/A 60 º

Basic Load Ratings

C0 - Static Radial Rating (per row)

 N/A 93400 N21000 lbf

Ce - Dynamic Radial Rating (per row)

 N/A 71200 N16010 lbf

C1 ISO - Dynamic Radial Rating (per row)

 N/A 64200 N14440 lbf

Factors

Limiting Speed (Grease) (per row)

 N/A 2000 rpm

Limiting Speed (Oil)

 N/A 4000 rpm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius1 N/A 0.8 mm0.031 in
r - Outer Ring "To Clear" Radius2 N/A 0.800 mm0.031 in

da - Inner Ring Backing Diameter

 N/A 78.776 mm3.1014 in

Da - Outer Ring Backing Diameter

 N/A 80.089 mm3.1531 in
  • 1 Maximum housing fillet radius that bearing corners will clear.
  • 2 Maximum shaft fillet radius that bearing corners will clear.
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