Linn Gear 1240C11 is a single strand Type B sprocket for #40 roller chain. It has 11 teeth with a 1/2" pitch and a pitch diameter of 1.751". Made from steel with a flame-cut hub, this sprocket is designed for general power transmission applications.

Type C Steel Sprockets for No. 1240 Mill Chain

4.063³ Chain Pitch 1 3/4³ Barrel Diameter 1 3/4³ Sprocket Face Width

Stock bores are nominal and must be re-bored even though bore desired is

same size as listed stock bore.

Listed maximum bore is with set screw at angle to keyway.

Stock sprockets above may also be used with the following chains or others having the same pitch, barrel diameter and width,

however all may not clear standard hub on 6 and 7 tooth sprockets due to variations in side bars.

Chain Belt Champion No. 4, 1240DW, 1244, A1245, X1245, RX1245, R1248

Jeffery 4DD, 124RS, 124RCS, SS124, SS2124+, SS124D, SS124P, IS1242, IS1245, J1245A,1645AB, IS4014, IS4106, IS4110

Link Belt AP114 Redhead, AP14 Super Hyper, SS123, SS123+, SS124, SS124+, SS124-2-Bar Hyper, SS124-3-Bar Hyper, XXS1240,

LXS1241M, LXS1242, LXS1242M, LXS1245, LXS1245M, XXS1245

Moline MXS124, 1240RX, 1240RXX, MXS1242, MXS1245

Union 1240R, 1240RX, 1240SX, US1242, US1245, 1245SX

Webster S557, S557+

Sprockets of other face widths or tooth numbers as well as those for practically any other chain are readily

available and all can be furnished with hardened teeth. Please inquire for information and delivery.

Split Mill Chain Sprocket info (PDF)

Specifications