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All Categories > Couplings & Power Transmission Parts Catalog > Lovejoy / Sier-Bath Gear Type Couplings > Continuous Sleeve Gear Type Couplings > CMM Type Mill Motor Coupling Hubs w/ Center - Imperial > Item # 69790400112  
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Item # 69790400112, CMM Type Mill Motor Coupling Hubs w/ Center - 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 3 HUB W/CENTER

Type

Gear Coupling Hubs

Hub Material

AISI 1045

Style

Unbored

Color

Metallic

Bore Type

Center

Coupling Type

Gear

Weight

25.00 lb

Complete Coupling Weight

46.00 lb


Dimensional Data

Size

3

Overall Length 

Determined by Length of Mill Motor Hub

Outside Diameter

6.630 in
6.63
mm

Max. Bore (Dimensions ID1/ID2)

3.13 in
84.00
mm

Dimension CBD

4.750 in
120.65
mm

Max. Safe Counterbore (Dimension CBD1)

3.880 in
98.55
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)

5.750 in
146.05
mm

Dimension HL

2.630 in
66.80
mm

Dimension HD

4.750 in
120.65
mm

Dimension LS

3.750 in
95.25
mm

Dimension R

6.880 in
174.75
mm

Dimension SL

1.880 in
47.75
mm

Cubic inches

59.33938 in³


Performance Data

Nominal Torque

50400.00 in·lb

Max. Speed (Unbalanced)

3600.00 rpm

Max. Angular Misalignment

0.50 º

Parallel Misalignment

0.010 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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