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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Disc Couplings > DI Type (Drop-In Spacer) > DI-6 Type Hubs with Keyway - Inch (Imperial) Bores > Part Number 69790411364  
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Part Number 69790411364, DI-6 Type Hubs with Keyway - Inch (Imperial) Bores


    The DI Type coupling has a “Drop-In” spacer assembly that is assembled at the factory. The coupling consists of two hubs and a spacer assembly comprising of the spacer, two unitized disc packs, and two guard rings. The disc packs are bolted to the spacer and guard rings at the factory using the torque values recommended by Lovejoy for the disc pack bolts. With the hubs mounted on the shafts, the entire disc pack assembly can be “Dropped In” place between the two hubs. The hubs are piloted to ensure proper centering of the spacer assembly. This piloting serves as an anti-flail feature and aids in the coupling’s ability to meet the balance standards mandated by API. This style coupling is designed to meet the balance and anti-flail requirements specified in API-610.

    Oversized, or Jumbo, hubs are available for use with the DI Type coupling to allow for larger bore sizes on most DI coupling sizes. This allows for the use of smaller DI couplings in applications where a smaller size coupling can still accommodate the application torque.




Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features

Specifications

Description 
DI158-6-HUB-2.7559-0.7894XT=2.940KW

Hub Style
Standard

Type
Disc Coupling Hubs

Hub Material
AISI 1045

Style
Bored

Color
Metallic

Coupling Series
DI-6

Coupling Type
Disc

Weight
9.05 lb

Weight (Complete Coupling w/ Max. Bores)
40.00 lb


Dimensional Data

Bore Size 
2 3/4 in

Size
158-6

Set Screw Style Coupling Size (Dimension T)
No Setscrew

Keyway Size (W x D)
.789 wide special in

Length thru Bore
2.76 in
70.1 mm

Overall Length
11.02 in
280 mm

Max. Bore (Dimensions ID1/ID2)
3.13 in
80 mm

Dimension FD
6.5 in
165 mm

Dimension HD
4.41 in
112 mm

Dimension S
3.120 in
79.00 mm

Distance between Shaft Ends (Dimension BSE)
5.5 in
140.00 mm

Cubic inches
116.61000 in³


Performance Data

Nominal Torque
17700 in·lb

Max. Torque
35400 in·lb

Max. Speed (Unbalanced)
4920 rpm

Max. Speed (Balanced)
12300 rpm

Axial Misalignment (∆ Ka)
0.122 in

Max. Angular Misalignment
1.50 º

Torsional Stiffness x 106
5.8 in·lb/rad

Rated Power at 100 rpm
28.2 hp
21 kW


Features

Features 
  • Designed to meet the API 610 Standard
  • Support for additional API requirements available on request
  • Unitized disc pack
  • Infinite life if properly aligned
  • Torsionally rigid without any back lash
  • No need for lubrication or maintenance
  • No wearing parts and high resistance to harsh environmental conditions


 DOWNLOADS 

Disc Coupling Catalog
(PDF, 0KB)

DI Type Disc Coupling Installation Instructions
(PDF, 0KB)


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