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FINISHED BORE SPROCKETS

Finished Bore Sprockets: Stocked for No. 35 through No. 80 chain, with standard keyway and 2 setscrews.

Complete With Any Bore Size Indicated – Standard Straight Keyway and Two Setscrews

*1/4″ and 3/8″ Bore sizes have 2 set screws only. No keyway.

(H) Indicates sizes available with or without hardened teeth.

Select a ANSI. No.
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Filtering:
Catalog Number
Pitch Diameter
1⁄4*
3⁄8*
1⁄2
5⁄8
3⁄4
7⁄8
1
1 1⁄8
1 3⁄16
1 1⁄4
1 3⁄8
1 7⁄16
1 1⁄2
1 5⁄8
1 11⁄16
1 3⁄4
1 7⁄8
1 15⁄16
2
2 3⁄16
2 7⁄16
Appx. Weight
Group
A.N.S.I. No. 25 Chain - Type B Sprockets - Hub One Side - Finished Bore
25FB10 .809 ✕ .03lbs
25FB11 .887 ✕ ✕ .04lbs
25FB12 .966 ✕ ✕ .06lbs
25FB13 1.045 ✕ ✕ ✕ .07lbs
A.N.S.I. No. 35 Chain - Type B Sprockets - Hub One Side - Finished Bore
35FB10(H) 1.214 ✕ ✕ ✕ .20lbs
35FB11(H) 1.331 ✕ ✕ ✕ ✕ .20lbs
35FB12(H) 1.449 ✕ ✕ ✕ .20lbs
35FB13(H) 1.567 ✕ ✕ ✕ .30lbs
35FB14(H) 1.685 ✕ ✕ ✕ .30lbs
35FB15(H) 1.804 ✕ ✕ ✕ ✕ .30lbs
35FB16(H) 1.922 ✕ ✕ ✕ ✕ .40lbs
35FB20(H) 2.397 ✕ ✕ ✕ ✕ .70lbs
35FB21(H) 2.516 ✕ ✕ ✕ ✕ .80lbs
35FB35 4.183 ✕ ✕ ✕ ✕ 1.60lbs
A.N.S.I. No. 41 Chain - Type B Sprockets - Hub One Side - Finished Bore
41FB9 1.462 ✕ ✕ .10lbs
41FB10 1.618 ✕ ✕ ✕ .20lbs
41FB12 1.932 ✕ ✕ ✕ ✕ ✕ .20lbs
41FB16 2.563 ✕ ✕ ✕ ✕ .70lbs
41FB17 2.721 ✕ ✕ ✕ ✕ .80lbs
Finished Bore Sprockets
40FB9 1.462 ✕ ✕ .10lbs
40FB10 1.618 ✕ ✕ ✕ .20lbs
40FB12 1.932 ✕ ✕ ✕ ✕ ✕ .30lbs
40FB13 2.089 ✕ ✕ ✕ ✕ ✕ .40lbs
A.N.S.I. No. 40 Chain - Type B Sprockets - Hub One Side - Finished Bore
40FB14 2.247 ✕ ✕ ✕ ✕ .50lbs
40FB15 2.405 ✕ ✕ ✕ ✕ ✕ ✕ ✕ .60lbs
Finished Bore Sprockets
40FB16 2.563 ✕ ✕ ✕ ✕ ✕ ✕ ✕ .70lbs
40FB17 2.721 ✕ ✕ ✕ ✕ ✕ ✕ ✕ .80lbs
40FB20 3.196 ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ 1.30lbs
50FB11 2.219 ✕ ✕ ✕ ✕ .50lbs
50FB12 2.415 ✕ ✕ ✕ ✕ ✕ .60lbs
50FB15 3.006 ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ 1.10lbs
60FB20 4.794 ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ 3.10lbs
80FB15 4.810 ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ 3.90lbs
80FB17 5.442 ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ ✕ 5.30lbs