3D CAD and 2D Drawings

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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

Notes

Note

N/A CAD Model Shown is for a single bearing
Product is sold set of:
2 (DU = Duplex)
4 (QU = Quadruplex)

Disclaimer

N/A Product preload will have a suffix of: H = Heavy, M = Medium, L = Light

Full Timken Part Number

N/A MM9321WI3 DUL MM9321WI3DUH MM9321WI3QUHC1

Dimensions

d - Bore

N/A 101.600 mm4.0000 in

D - Outer Diameter

N/A 145.000 mm5.7087 in

Bearing Width

N/A 22.230 mm0.8750 in

Contact Angle

N/A 60 º

do - Ball Diameter

N/A 9.50000 mm3/8 in

Basic Load Ratings

C0 - Static Radial Rating

N/A 115700 N26000 lbf
Ce - Dynamic Radial Rating1 N/A 57400 N12900 lbf

Factors

Limiting Speed (Grease)

N/A 1000 rpm

Limiting Speed (Oil)

N/A 2000 rpm

Specifications

Ball Type

N/A STEEL

Cage Type

N/A Nylon Ball Riding Cage

Bearing Weight

N/A 1.180 Kg2.6 lb

Design Units

N/A METRIC

Manufacturing Part Number

N/A MM9321WI3 DUL MM9321WI3DUH MM9321WI3QUH

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius2 N/A 1.00 mm0.039 in
r - Outer Ring "To Clear" Radius3 N/A 1.00 mm0.039 in

da - Inner Ring Backing Diameter

N/A 122.796 mm4.8345 in

Da - Outer Ring Backing Diameter

N/A 123.825 mm4.875 in
  • 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.
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