Style #10, a 13 1/2" length mechanism when measured length hole to hole. The original style mechanism used in many older style 4 leg wood office swivel chairs. Bell is 4 1/16" diameter covering the top base hub plate. The rails curve outwards at each end, as was the common style.
Note there is an additional style in this length mechanism.
Also available is Style #4754, a 4 leg style that is 17 1/2" long (hole to hole) from front to back. Ideal for chairs with large heavy backs.
Click here to view if longer than 13 1/2" is needed.
Front to rear hole length 13 1/2" Front and rear hole width pattern, 6". Threaded post, standard 1" diameter
Style #10...$85.60
Mechanism Install Tips Mechanism Retrofit Tips Building or reconstructing a chair?
Shepherd Regent style or Baron Antique Brass carpet castors are a good replacement choice in keeping with the older style appearance.
Use Glossary or Map for more Office chair parts
