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Direct Drive Wheel Assemblies (Steel)

These roller bearing wheel assemblies are for use where it is desired to couple the drive or squaring shaft to the axle without a gear reduction at the wheels. The cartridge type housing should be installed in the truck members with a small amount of side play so that bearings can align themselves under operating conditions.

Wheels
Cast steel, double flanged, with treads finished for the runway rail specified.
Wheel Bearings
Standard heavy duty quill roller bearings with inner races and a large overload capacity.
Wheel Bearing Housings
Outboard cartridge type with a flat surface for a keeper plate to bear against, and a machined mounting groove.
Axles
Finished all over, pressed and keyed in finished wheel bore. Long Shaft extension on driving wheel axle is fitted with a standard keyway for coupling direct to a squaring shaft.
Wheel Gear
Steel with standard pitch cut teeth, pressed and keyed on finished wheel hub.
Lubrication
All bearings are provided with grease fittings for pressure lubrication.
DRIVER IDLER

Direct DriveLine Art

ITEM
NO.
TREAD
DIA.
(IN)
TYPE CAPACITY
PER WHEEL
(LBS)
FOR MAX.
A.S.C.E
RAIL
(# RAIL)
WGT.
(LBS)
DIMENSIONS IN INCHES APPLYING TO BOTH PLAIN & GEARED TYPES
A B C E F H J L N P R U
3735 10-1/2 SHORT
SHAFT
12,000 40 110 10-1/2 11-3/4 2-3/4 5-7/16 9-1/4 4-5/8       5   13/16
3736 10-1/2 LONG
SHAFT
12,000 40 120 10-1/2 11-3/4 2-3/4 5-7/16 9-1/4 4-5/8 10 5-3/8 1-15/16 5 1/2 13/16
3741 12 SHORT
SHAFT
12,500 40 131 12 13-1/4 2-3/4 5-7/16 9-1/4 4-5/8       5   13/16
3742 12 LONG
SHAFT
12,500 40 205 12 13-1/4 2-3/4 5-7/16 9-1/4 4-5/8 10 5-3/8 1-15/16 5 1/2 13/16
3743 12 SHORT
SHAFT
15,000 60 158 12 13-1/2 3-1/8 6-3/16 10 5         13/16
3744 12 LONG
SHAFT
15,000 60 233 12 13-1/2 3-1/8 6-3/16 10 5 10-1/2 5-1/2 1-15/16 5 1/2 13/16
3749 15 SHORT
SHAFT
17,500 50 177 15 16-1/2 3 5-15/16 9-3/4  4-7/8         5   13/16
3750 15 LONG
SHAFT
17,500 50 284 15 16-1/2 3 5-15/16 9-3/4  4-7/8 10-3/8 5-1/2 1-15/16 5 1/2 13/16
3753 15 SHORT
SHAFT
20,000 70 212 15 16-1/2 3-3/16 6-5/16 10-1/8 5-1/16       5   13/16
3754 15 LONG
SHAFT
20,000 70 320 15 16-1/2 3-3/16 6-5/16 10-1/8 5-1/16 11 5-15/16 1-15/16 5 1/2 13/16
3757 18 SHORT
SHAFT
30,000 70 344 18 19-1/2 3-3/16 6-5/16 10-1/8 5-1/16         13/16
3758 18 LONG
SHAFT
30,000 70 495 18 19-1/2 3-3/16 6-5/16 10-1/8 5-1/16 11-1/4 6-3/8 2-7/16 5 5/8 13/16
3765 21 SHORT
SHAFT
50,000 80 443 21 22-3/4 3-5/8 7-1/4 11-1/8 5-9/16       5-3/4    13/16
3766 21 LONG
SHAFT
50,000 80 837 21 22-3/4 3-5/8 7-1/4 11-1/8 5-9/16 12-1/2 6-15/16 2-11/16 5-3/4 5/8 13/16
3773 24 SHORT
SHAFT
70,000 100 596 24 25-3/4 3-3/4 7-1/2 12 6         6-1/2   15/16
3774 24 LONG
SHAFT
70,000 100 971 24 25-3/4 3-3/4 7-1/2 12 6 13 7 2-15/16 6-1/2 3/4 15/16

The sizes and capacities listed above are a reference to the most common sizes of this equipment. If you have a different capacity, irregular size or some other need that must be met by our equipment, we will be happy to design one of these pieces of equipment to meet your special needs while also meeting or exceeding our interpretation of the appropriate ANSI / ASME. standards.

 

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Copyright 2000 Downs Crane & Hoist Co., Inc.
Last modified: February 21, 2011