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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 Spacer Sub-Assemblies > Part Number 69790494939  
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Part Number 69790494939, DI-6 Type Spacer Sub-Assemblies


    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  · Dimensional Data of Related Coupling  · Performance Data of Related Coupling  · Features

Specifications

Description 
DI90-6-SUBASSY-BSE=4.38

Hub Style
Standard

Type
Disc

Style
Spacer Assembly

Color
Metallic

Coupling Series
DI-6

Coupling Type
Drop in Spacer Assembly

Weight
19.00 lb

Weight (Complete Coupling w/ Max. Bores)
8.00 lb
4.00 Kg


Dimensional Data

Height
3.7 in

Between Shaft Ends
4.38 in

Width
3.700 in

Cubic inches
59.89375 in³


Dimensional Data of Related Coupling

Coupling Size
90-6

Length thru Bore
1.570 in
39.88 mm

Outside Diameter
2.360 in
60.00 mm

Overall Length
7.520 in
191.008 mm

Max. Bore (Dimensions ID)
1.68 in
43 mm

Flange Diameter (Dimension FD)
3.7 in
94.00 mm

Dimension PW
4.375 in
111.13 mm

Dimension S
1.270 in
32.00 mm

Distance between Shaft Ends (Dimension BSE)
4.375 in
79.00 mm


Performance Data of Related Coupling

Temperature 
-40 to 450 ºF

Nominal Torque
240 in·lb

Max. Torque
4200 in·lb
480 N·m

Max. Speed (Unbalanced)
9100 rpm

Max. Speed (Balanced)
22700 rpm

Axial Misalignment (∆ Ka)
0.059 in
1.50 mm

Max. Angular Misalignment
1.50 º

Torsional Stiffness x 106
2.40 in·lb/rad
0.30 Nm/rad

Rated Power at 100 rpm
3.50 hp
2.60 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


 MORE IMAGES 

·  DI-6 Type Drop-In Center Industrial Coupling Standard Hub Bolt Kits - Metric-2


 DOWNLOADS 

Disc Coupling Catalog
(PDF, 0KB)

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


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