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Item # 69790411709, CMM Type Mill Motor Coupling Hubs w/ Keyway - Imperial



    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





Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 

CMM 2.5 HUB 2.375/2.376 5/8KW

Type

Gear Coupling Hubs

Hub Material

AISI 1045

Style

Bored

Color

Metallic

Coupling Type

Gear

Weight

14.00 lb

Complete Coupling Weight

29.00 lb


Dimensional Data

Bore Size 

2 3/8 in

Size

2 1/2

Keyway Size (W x D)

5/8 in

Overall Length 

Determined by Length of Mill Motor Hub

Max. Bore (Dimensions ID1/ID2)

2.630 in
70.00
mm

Outside Diameter

5.500 in
5.50
mm

Dimension CBD

3.750 in
95.25
mm

Max. Safe Counterbore (Dimension CBD1)

3.250 in
82.55
mm

Dimension DC

0.250 in
6.35
mm

Dimension DC1

Determined by Customer Specifications

Dimension G

0.250 in
6.35
mm

Max. Length of Universal Hub (Dimension HL1)

5.130 in
130.30
mm

Dimension HD

3.94 in
100.08
mm

Dimension HL

2.250 in
57.15
mm

Dimension LS

3.060 in
77.72
mm

Dimension R

5.720 in
145.29
mm

Dimension SL

1.530 in
38.86
mm

Cubic inches

34.92810 in³


Performance Data

Nominal Torque

30200.00 in·lb

Max. Speed (Unbalanced)

3750.00 rpm

Max. Angular Misalignment

0.50 º

Parallel Misalignment

0.007 in


Features

Features 

  • 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


Notes

Notes 

  • HL1 Dimensions are the maximum lengths of Universal hubs kept in stock and altered to customer specifications.
  • Longer length hubs are made to order.
  • Dimension CBD1 as shown is the maximum safe counterbore. Diameter of this counterbore is to customer specifications.
  • Rough bore mill motor hubs are manufactured to HL1 length with straight bores.
  • Puller Holes are standard on sizes 4 through 12.
  • Puller Holes are available for sizes 7/8 through 3.5 at an additional charge.
  • Interference bores with no set screws are standard unless otherwise specified.
  • Inch bores and keyway tolerances conform to ANSI / AGMA 9002-B04.
  • For metric bores and keyway, consult Lovejoy Engineering Section.
  • Larger sizes are available, please consult Lovejoy Technical Support.


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·  CMM Type Mill Motor Couplings Alternative Type

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