Pin & Keeper Wheel Assemblies

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.

We have an engineering staff that can design assemblies which are not listed, Please solicit your inquiries at sales@downscrane.com.

ITEM
NO.		 TREAD
DIA.
(IN)		 TYPE CAPACITY
PER WHEEL
(LBS)		 FOR MAX.
A.S.C.E
RAIL
(# RAIL)		 GEAR
RATIO		 WGT.
(LBS)		 DIMENSIONS
"INCHES"
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 3-1/2 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 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 4 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
Dimensions given are in round numbers. We reserve the right to make changes to our designs at any time that may not be reflected in the table. Please ask for a Certified Dimension Print for current dimensions.

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.

Improper use of lifting equipment may cause serious injury or death.
Only a Qualified Operator, as defined by the ASME B30.20 Standards, shall operate equipment.
Read and understand General Warnings before operating equipment.

Copyright © 2021 · All Rights Reserved · Downs Crane & Hoist Company, Inc.
Designers and manufactures of "Below the Hook" material handling equipment.

Contacts