Crane Deming 5260 Series, Installation, Operation & Maintenance Manual

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FIG. 5260 - CONSTRUCTION DETAILS
3 x 1-1/2 x 10 3 x 2 x 10 4 x 3 x 10
1. Shaft Diameters
At Coupling
At Radial Bearing
Under Shaft Sleeve
At Impeller
At Thrust Bearing (Std)
At Thrust Bearing (Water Cooled)
1.125”
1.181”
1.500”
1.500”
1.181”
0.984” 1.125”
1.181”
1.500”
1.500”
1.181”
0.984” 1.375”
1.378”
1.625”
1.625”
1.378”
1.181”
2. Ball Bearings
Standard Thrust
Radial
Water Cooled Thrust 2 Req.
Radial
MRC 306 S
MRC 306 S
SKF 7305 BYG
MRC 5206
MRC 306 S
MRC 306 S
SKF 7305 BYG
MRC 5206
MRC 307 S
MRC 307 S
SKF 7306 BYG
MRC 5207
3. Packing Box - First Stage
No. of Rings (with Seal Cage)
Size Packing (Sq)
Depth of Box
Bore of Box
Dia. of Sleeve
Width of Seal Cage
5.000”
0.375”
3.062”
2.500”
1.750”
0.750” 5.000”
0.375”
3.062”
2.500”
1.750”
0.750” 5.000”
0.375”
3.062”
2.812”
2.000”
0.750”
4. Packing Box - Second Stage
No. of Rings (with Bleedoff Bushing)
Size Packing (Sq.)
Depth of Bore
Bore of Box
Dia. Sleeve
Width of Bleed off Bushing
5.000”
0.375”
3.062”
2.500”
1.750”
0.750” 5.000”
0.375”
3.062”
2.500”
1.750”
0.750” 5.000”
0.375”
3.062”
2.812”
2.000”
0.750”
5. Mechanical Seal
Crane Type 1 (Unbalanced)
(225°F. MAX.)
1-3/4 1-3/4 2
6. Bearing Spacing 23.868 23.868 24.822
7. Shaft Overhang 4.250 4.250 4.625
8. Key Sizes
At Coupling
At Impellers
1/4 sq. x 2-5/8
5/16 sq. x 3-1/2
1/4 sq. x 2-5/8
5/16 sq. x 3-1/2
5/16 sq. x 2-3/4
5/16 sq. x 4-1/8
9. Wearing Rings
Ring I.D.
Interstage Diaphragm
Ave. Dia. Clearance
3.762”
3.762”
0.013” 4.262”
4.262”
0.013” 5.104”
5.103”
0.013”