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Johnson 12" Wire Rope Sheave - 3/8" - 7/8" Wire Rope - #452525

Johnson 12" Wire Rope Sheave - 3/8" - 7/8" Wire Rope - #452525
SKU: JN-452525MPN: 452525
  • This product is eligible for FREE SHIPPING.
  • USUALLY SHIPS: 2 - 4 Weeks
  • Made in the United States of America!
Purchase over $500 of Gunnebo Johnson products and use Promo Code: GUNNEBO10 to receive a 10% discount off your order total! *Restrictions may apply

Product Description

Sheaves by Gunnebo Johnson Fall into Two Major Categories
First is their wide range of conventional cast steel and ductile iron sheaves which range in size from 3" - 14" in nominal diameter. Second is the revolutionary ForgeFab--a superior strength line of wire rope sheaves which can be supplied without long delays--and at savings from 15-50% over traditional cast versions.

ForgeFab Grew Out of a Need for Readily Available Sheaves at a Reasonable Cost
Faced with increasing environmental restrictions, continuing material shortages and growing customer concern, Gunnebo Johnson set out to find a better way. They started by developing their own specialized equipment and ended up with an entirely new, patented process--one which did its job without castings, and did it in far less time.

Each ForgeFab sheave begins as a computer driven, precision disc cut from proprietary chemistry alloy steel plate. The steel disc is heated to forging temperature and its edge rotated against a system of staged rollers to forge the sheave rim and wire rope groove. A precisely machined hub is arc welded to the forged disc. A variety of welding techniques is used, including: fillet, submerged arc, partial penetration and full penetration, depending upon application. The result--a precision built ForgeFab sheave whose integral web/rim design is much stronger. ForgeFab sheaves are currently offered in sizes 16" -72", with flame hardened grooves standard on all sizes 16" and above.

* While some sheaves may be on the shelf and ready to ship, many sheaves are made to order. Average lead time 2-4 weeks from date of order. If you need a firm delivery date, or an expedited shipment, please call us toll free at 800-442-7454.


Wire Rope Size
3/8" - 7/8"
Sheave Size
Bronze Bushed
Ductile Iron
Safety Factor
Tap Size
Weight (lbs)

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Safety Notice

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Although Westech Rigging Supply strives to manufacture and sell the highest quality rigging and safety gear, use of the gear is dangerous if not used correctly by competent trained professionals. Westech Rigging Supply disclaims any liability resulting from the misuse of its rigging and safety gear. Please take a moment to more thoroughly review our disclaimer.

Westech Rigging Supply rigging and safety gear is only intended to be used by competent trained professionals. Misuse of the rigging and safety gear can result in serious injury up to and including loss of life. As such, Westech Rigging Supply disclaims liability for any misuse or incorrect product selection by our customers.

Rigging and safety gear purchased from Westech Rigging Supply should be used in strict accordance with all industry and OSHA standards. At no time should rigging or safety gear be used beyond its certified load ratings (aka Working Load Limits). Normal wear and tear should be expected with use of rigging and safety gear; therefore, all gear should be thoroughly inspected before each and every use. Worn or unsafe rigging and safety gear should never be used.