Listed below from smallest to largest size. Hub Liners #502 and #503 series not for use with Office swivel chairs.
**Outside Diameter of hub liner. Should be same as inside diameter of tube the hub liner fits into.
Style
**OD dia.
Comment
Cost$
Style
**OD dia.
Comment
Cost $
#99 1 1/16"Ultra thin 15.90 1 3/16"
Very common 8.35
101
1 7/32"
Just under
1 1/4"Has 2 vertical slits 6.65
131
1 17/64"
Just over
1 1/4"4 1/32" high 6.70
Not office
Finned-Tilter type only503
Heavy DutyNot office Vertical grooved-Tilter type only Tool rental to remove and install Office chair Hub Liners
(Takes seconds, not hours)