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
CMM Type Mill Motor Coupling Hubs w/ Center - Imperial
CMM Type Mill Motor Coupling Hubs w/ Center - Imperial-2
Unit of Measure
1 

Part Number

Description 

Size

Outside Diameter

Dimension CBD

Max. Safe Counterbore (Dimension CBD1)

Dimension DC

Dimension G

69790400036 N/A CMM-7/8-HUB-W/CENTER N/A 7/8 N/A 3.310 in3.31 mm N/A 1.940 in49.28 mm N/A 1.630 in41.40 mm N/A 0.130 in3.30 mm N/A 0.130 in3.30 mm
69790400057 N/A CMM-1.5-HUB-W/CENTER N/A 1 1/2 N/A 3.750 in3.75 mm N/A 2.250 in57.15 mm N/A 1.880 in47.75 mm N/A 0.190 in4.83 mm N/A 0.130 in3.30 mm
69790400086 N/A CMM-2-HUB-W/CENTER N/A 2 N/A 4.750 in4.75 mm N/A 3.000 in76.20 mm N/A 2.750 in69.85 mm N/A 0.190 in4.83 mm N/A 0.130 in3.30 mm
69790400104 N/A CMM-2.5-HUB-W/CENTER N/A 2 1/2 N/A 5.500 in5.50 mm N/A 3.750 in95.25 mm N/A 3.250 in82.55 mm N/A 0.250 in6.35 mm N/A 0.250 in6.35 mm
69790400112 N/A CMM-3-HUB-W/CENTER N/A 3 N/A 6.630 in6.63 mm N/A 4.750 in120.65 mm N/A 3.880 in98.55 mm N/A 0.250 in6.35 mm N/A 0.250 in6.35 mm
Unit of Measure
1