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Part Number 69790492095, Drop-In Center Industrial Coupling Jumbo Hub w/ Rough Stock Bore

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    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.





Specifications  · Dimensional Data  · Performance Data  · Features

Specifications

Description 
DI302-6-HUB JUMBO-RSB

Hub Style
Jumbo

Type
Disc Coupling Hubs

Hub Material
AISI 1045

Style
Unbored

Color
Metallic

Bore Type 
Rough Stock Bore

Coupling Series
DI-6

Coupling Type
Disc

Weight
34.00 lb

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


Dimensional Data

Size
302-6

Set Screw Style Coupling Size (Dimension T)
No Setscrew

Length thru Bore
5.320 in
135.13 mm

Overall Length
21.680 in
551.00 mm

Max. Bore (Dimensions ID1/ID2)
7.880 in
200 mm

Dimension FD
12.200 in
310.00 mm

Dimension S
6.150 in
156.00 mm

Distance between Shaft Ends (Dimension BSE)
11.060 in
281.00 mm

Cubic inches
791.82880 in³


Performance Data

Nominal Torque
177000 in·lb

Max. Torque
354000.00 in·lb

Max. Speed (Unbalanced)
2560.00 rpm

Max. Speed (Balanced)
6400.00 rpm

Axial Misalignment (∆ Ka)
0.224 in

Max. Angular Misalignment
1.00 º

Torsional Stiffness x 106
84.00 in·lb/rad

Rated Power at 100 rpm
281.10 hp
209.60 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
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DI Type Disc Coupling Installation Instructions
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