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Pin & Keeper Wheel Assemblies (Steel)

These full ball and roller bearing wheel assemblies are very popular style for all medium duty, general purpose power driven cranes. they are simple to install and may be quickly removed if, for any reason, inspection or servicing is required. Wheel treads will be finished for the maximum size runway rail as listed, unless specified otherwise on order.

Wheels
Cast steel, double flanged, with treads finished for the runway rail specified.
Wheel Bearings
Standard quill roller bearings of large capacity. They are carefully fitted in the finished bore of the wheel, and operate directly on the hardened axle which serves as the inner race.
Axles
Hardened an precision ground to the bearing manufacturers' standard dimensions. Hollow bored for grease. Milled cross slots to receive keeper plates.
Wheel Gear
Steel with standard pitch cut teeth, pressed and keyed on finished wheel hub.
Pinion Gear
Steel with standard pitch cut teeth.
Stub Shaft
Finished all over, extended end has a standard keyway for coupling to a squaring shaft.
Stub Shaft Bearings
Standard self-aligning ball bearings mounted in journal type housings with sealing washers and snap rings.
Lubrication
All bearings are provided with grease fittings for pressure lubrication.
DRIVER IDLER

Pin & Keeper Line Art

ITEM
NO.		 TREAD
DIA.
(IN)		 TYPE CAPACITY
PER WHEEL
(LBS)		 FOR MAX.
A.S.C.E
RAIL
(# RAIL)		 GEAR
RATIO		 WGT.
(LBS)		 DIMENSIONS IN INCHES APPLYING TO BOTH PLAIN & GEARED TYPES
A B D G H J K M O P R S T
3603 7-1/2 NON-
GEARED		 8,000 30   40 7-1/2 8-3/4 2-1/16 5-3/8           1-3/4      
3604 7-1/2 GEARED 8,000 30 3.40-1 100 7-1/2 8-3/4 2-1/16 5-3/8 4-1/16 8-15/16 7-3/4 3 1 1-3/4 1/4 5.50 1-7/8
3609 9 NON-
GEARED		 10,000 35   65 9 10-1/2 2-1/8 5-1/2           2       
3610 9 GEARED 10,000 35 3.33-1 120 9 10-1/2 2-1/8 5-1/2 4-5/16 10 8-1/8 3-1/4 1-3/16 2  3/8 6.50 2
3613 10 NON-
GEARED		 12,000 50   84 10 11-1/2 2-3/8 6           2      
3614 10 GEARED 12,000 50 3.67-1 129 10 11-1/2 2-3/8 6 4-5/16 10-3/16 8-1/4 4 1-5/16 2 3/8 7.00 2
3615 10-1/2 NON-
GEARED		 12,000 40   85 10-1/2 11-3/4 2-3/16 5-3/4           2       
3616 10-1/2 GEARED 12,000 40 3.67-1 130 10-1/2 11-3/4 2-3/16 5-3/4 4-1/8 10 7-7/8 3-1/2 1-5/16 2  3/8 7.00 2
3621 12 NON-
GEARED		 12,500 40   103 12 13-1/4 2-3/16 6-1/8           2-1/4      
3622 12 GEARED 12,500 40 4.12-1 176 12 13-1/4 2-3/16 6-1/8 4-5/8 11-3/16 9 4-1/4 1-7/16 2-1/4 3/8 8.20 2-1/8
3623 12 NON-
GEARED		 15,000 60   129 12 13-1/2 2-9/16 6-7/8           2-1/4      
3624 12 GEARED 15,000 60 4.12-1 203 12 13-1/2 2-9/16 6-7/8 5 11-5/8 9-3/4 4-1/4 1-7/16 2-1/4 3/8 8.20 2-1/8
3629 15 NON-
GEARED		 17,500 50   155 15 16-1/2 2-7/16 6-7/8           2-1/4      
3630 15 GEARED 17,500 50 4.00-1 261 15 16-1/2 2-7/16 6-7/8 5-1/4 12 10-1/2 4-1/4 1-7/16 2-1/4 3/8 10.00 2-1/8
3633 15 NON-
GEARED		 20,000 70   177 15 16-1/2 2-5/8 7-1/4           2-1/4      
3634 15 GEARED 20,000 70 4.00-1 283 15 16-1/2 2-5/8 7-1/4 5-7/16 12-1/8 10-7/8 4-1/4 1-7/16 2-1/4 3/8 10.00 2-1/8
3637 18 NON-
GEARED		 30,000 70   251 18 19-1/2 2-5/8 7-1/2           3-1/4      
3638 18 GEARED 30,000 70 4.11-1 475 18 19-1/2 2-5/8 7-1/2 5-7/16 14-1/4 11-1/8 6 1-15/16 3-1/4 1/2 11.50 3-1/16
3645 21 NON-
GEARED		 50,000 80   450 21 22-3/4 4-3/16 9-7/8           4      
3646 21 GEARED 50,000 80 4.32-1 754 21 22-3/4 4-3/16 9-7/8 7-1/2 15-9/16 14 6 2-7/16 4 5/8 14.16 3-3/4
3653 24 NON-
GEARED		 70,000 100   552 24 25-3/4 4-5/16 10-3/8           4-1/2      
3654 24 GEARED 70,000 100 4.11-1 958 24 25-3/4 4-5/16 10-3/8 7-5/8 16 14-1/2 6 2-7/16 4-1/2 5/8 15.33 3-3/4

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: January 16, 2003