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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 MM45BS75QUL

Rows per Set

 N/A Quadruplex

Design Units

 N/A Metric

Bore (d)

 N/A 45 mm

O.D. (D)

 N/A 2.9528 in75 mm

Dynamic Radial Load Rating - 1M Revs (C1)

 N/A 8660 lbf38500 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 2.3624 in60 mm

Contact Angle

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

Shaft Backing Shoulder Diameter

 N/A 2.3402 in59.441 mm

Housing Backing Shoulder Diameter

 N/A 2.3846 in60.569 mm

Ratings

Static Radial Load Rating (C0)

 N/A 11400 lbf50700 N

Limiting Speed - Grease

 N/A 2700 rpm

Limiting Speed - Oil

 N/A 5400 rpm

C1 ISO - Dynamic Radial Rating (per row)

 N/A 7810 lbf34700 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.