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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Gear Type Couplings > SIER-BATH® Gear Couplings > Continuous Sleeve Gear Type Couplings > CMM Type Mill Motor Coupling Hubs w/ Center - Imperial > Part Number 69790400057  
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Part Number 69790400057, 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



Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 
CMM-1.5-HUB-W/CENTER

Type
Gear Coupling Hubs

Hub Material
AISI 1045

Style
Unbored

Color
Metallic

Bore Type
Center

Coupling Type
Gear

Weight
2.10 lb

Complete Coupling Weight
11.00 lb


Dimensional Data

Size
1 1/2

Overall Length 
Determined by Length of Mill Motor Hub

Outside Diameter
3.750 in
3.75 mm

Max. Bore (Dimensions ID1/ID2)
1.630 in
42 mm

Dimension CBD
2.250 in
57.15 mm

Max. Safe Counterbore (Dimension CBD1)
1.880 in
47.75 mm

Dimension DC
0.190 in
4.83 mm

Dimension DC1
Determined by Customer Specifications

Dimension G
0.130 in
3.30 mm

Max. Length of Universal Hub (Dimension HL1)
4.000 in
101.60 mm

Dimension HL
1.810 in
45.97 mm

Dimension HD
2.380 in
60.45 mm

Dimension LS
2.530 in
64.26 mm

Dimension R
4.590 in
116.59 mm

Dimension SL
1.270 in
32.26 mm

Cubic inches
10.25256 in³


Performance Data

Nominal Torque
7600 in·lb

Max. Speed (Unbalanced)
5000 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.


 MORE IMAGES 

·  CMM Type Mill Motor Couplings Alternative Type

·  C Type Continuous Sleeve Cut Away


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