The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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    CMM Type Mill Motor Couplings

    The CMM Type coupling consists of one standard flex hub, one universal hub, one standard sleeve and one accessory kit consisting of seals and snap rings.
  • Designed with longer universal hub on one end to accommodate straight or tapered shafts
  • Standard hub and sleeve on the other end
  • Universal hub bored to customer specifications
  • Available with longer universal hubs on both ends
Unit of Measure

Specifications

Description 

 N/A CMM-2-HUB-803 MTR FRM

Type

 N/A Gear Coupling Hubs

Hub Material

 N/A AISI 1045

Style

 N/A Taper Bore

Color

 N/A Metallic

Coupling Type

 N/A Gear

AISE Motor Frame Size

 N/A 803

Weight

 N/A 9.70 lb

Dimensional Data

Bore Size 

 N/A 1.9980 to 1.9990 in

Size

 N/A 2

Keyway Size (W x D)

 N/A 1/2 x 1/4 in

Dimension HL

 N/A 2.060 in52.32 mm

Dimension HD

 N/A 3.250 in82.55 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 2.130 in54.10 mm

Cubic inches

 N/A 21.75875 in³

Features

Features 

 N/A
  • Specifically designed for mill motors with tapered bores
  • Universal hub counterbored for the nut on the end of the motor shaft
  • One piece cylindrical sleeve for smoother, faster, quieter and safer operation
  • Quick assembly and disassembly