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 MM9306WI 2H DUH MM9306WI 2H QUH

Dimensions

d - Bore

N/A 20.00 mm0.7874 in

D - Outer Diameter

N/A 47.00 mm1.8504 in

Bearing Width

N/A 15.88 mm0.6250 in

Contact Angle

N/A 60 º

do - Ball Diameter

N/A 7.900000 mm5/16 in

Basic Load Ratings

C0 - Static Radial Rating

N/A 24900 N5600 lbf
Ce - Dynamic Radial Rating1 N/A 24900 N5600 lbf

Factors

Limiting Speed (Grease)

N/A 4400 rpm

Limiting Speed (Oil)

N/A 8800 rpm

Specifications

Ball Type

N/A STEEL

Cage Type

N/A Nylon Ball Riding Cage

Bearing Weight

N/A 0.13 Kg0.280 lb

Design Units

N/A METRIC

Manufacturing Part Number

N/A MM9306WI2HDUH MM9306WI2HQUH

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius2 N/A 0.80 mm0.031 in
r - Outer Ring "To Clear" Radius3 N/A 0.80 mm0.031 in

da - Inner Ring Backing Diameter

N/A 33.492 mm1.3186 in

Da - Outer Ring Backing Diameter

N/A 34.491 mm1.3579 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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