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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 Spacers (Not Sub-Assemblies) > Part Number 69790494928  
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Part Number 69790494928, DI-6 Type Spacers (Not 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.
    Note: Spacers are INCLUDED in a sub-assembly, along with two disc pack kits and two guard rings. Unless ordered as a replacement part, spacers are generally not ordered as a stand alone item.




Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features

Specifications

Description 
DI90-6-SPCR-BSE=5"

Type
Disc

Coupling Series
DI-6

Weight
16.50 lb

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


Dimensional Data

Size
90-6

Length thru Bore
1.570 in
39.88 mm

Spacer Length (OAL)
3.584 in
90.9 mm

Max. Bore (Dimensions ID1/ID2)
1.68 in
43 mm

Flange Diameter (Dimension FD)
3.7 in
94.00 mm

Outside Diameter
2.360 in
60.00 mm

Dimension S
1.270 in
32.00 mm

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

Cubic inches
49.01020 in³


Performance Data

Nominal Torque
2100 in·lb
240 N·m

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


 DOWNLOADS 

Disc Coupling Catalog
(PDF, 0KB)

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


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