Sprockets

S-Series Sprockets

S-SERIES

S-Series Sprockets - for Standard Duty Belts



CAST IRON SPROCKETS

Nominal Number Sprocket   Pitch Flange Overall Hub Stock Bore (In) Approx.
Diameter of Teeth Number Material Dia.(In)1 Width(In) Width(In) Dia.(In) Bore2 Min Max Wt.(Lbs)
4 13 13S Cast Iron 4.35 1 1/2 2 1/8 NB 0.75 2 5
4 13 13M Cast Iron 4.35 1 1/2 2 1/8 MPB 0.75 2 4 1/2
6 18 18S Cast Iron 6.16 1 1/2 2 1/4 3 1/2 NB 0.75 3 10 1/2
6 18 18S-LH Cast Iron 6.16 1 3/4 1 3/4 5 3/4 MPB 1 4 12
6 18 18M Cast Iron 6.16 1 1/2 2 1/4 3 1/2 MPB 0.75 3 10
8 23 23S Cast Iron 7.87 2 3/16 4 NB 0.75 3.5 13 1/2
8 23 23S-LH Cast Iron 7.87 2 3/16 CB 3 4.5 16
10 31 31S Cast Iron 10.65 2 1/4 4 1/2 CB 1.25 3 18 1/2
10 31 31S-LH Cast Iron 10.65 2 1/4 CB 3 4.5 21 1/2
12 37 37S Cast Iron 12.68 2 1/4 5 CB 1.4375 3.5 24 1/2
12 37 37S-LH Cast Iron 12.68 2 1/4 6 CB 3.437 4.5 23 1/2

PLASTIC SPROCKETS

Nominal Number Sprocket   Pitch Flange Overall Hub Stock Bore (In) Approx.
Diameter of Teeth Number Material Dia.(In)1 Width(In) Width(In) Dia.(In) Bore2 Min Max Wt.(Lbs)
4 13 13SP UHMW 4.35 None MPB 0.75 2.5 ¾
6 18 18SP UHMW 6.16 2 2 None MPB 0.75 3.5 1 3/4
8 23 23SP UHMW 7.87 1 3/8 2 5 MPB 0.75 3
10 31 31SP UHMW 10.65 1 3/8 2 6 MPB 0.75 4.5 4 1/4
12 37 37SP UHMW 12.72 1 3/8 2 6 MPB 1 4.5 6 3/4

STEEL SPROCKETS

Nominal Number Sprocket   Pitch Flange Overall Hub Stock Bore (In) Approx.
Diameter of Teeth Number Material Dia.(In)1 Width(In) Width(In) Dia.(In) Bore2 Min Max Wt.(Lbs)
4 13 13S-MT 1045 4.35 None MPB 0.75 2.5 6 1/2
6 18 18S-FL 1045 6.16 3/8 1 7/8 4 1/4 MPB 1 3 9 1/2
6 18 18S-MT 1045 6.16 1 3/4 1 3/4 None MPB 1 4 12 1/2
8 23 23S-FL 1045 7.87 3/8 1 7/8 4 1/4 MPB 1 3 10 1/2
8 23 23S-FLLH 1045 7.87 3/8 1 7/8 6 1/4 MPB 3 4.5 18

STAINLESS STEEL SPROCKETS

Nominal Number Sprocket   Pitch Flange Overall Hub Stock Bore (In) Approx.
Diameter of Teeth Number Material Dia.(In)1 Width(In) Width(In) Dia.(In) Bore2 Min Max Wt.(Lbs)
4 13 13SS T-303 SS 4.35 None MPB 0.75 2.5 6 1/2
4 13 13SS-316 T-316 SS 4.35 None NB 0.75 2.5 6 1/2
6 18 18SS T-303 SS 6.16 1 3/4 1 3/4 None MPB 1 4 12 1/2
6 18 18SS-316 T-316 SS 6.16 1 1/2 2 1/4 3 1/2 NB 0.75 4 10
8 23 23SS 18-8 SS 7.87 1 3/4 2 4 NB 0.75 3.5 14

1 Add 0.375 inches to the Pitch Diameter to get the Overall sprocket Diameter. Subtract 0.375 inches from
   the Pitch Diameter to get the Flange Diameter.
2 Stock Bore Notations: NB = No Bore, CB = Core Bore, MPB = Minimum Plain Bore.
3 Larger bore sizes available.

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Flights/Attachments  

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TruKey® Shafting     

-Standard Duty Clinched Selvage Belting
-Standard Duty Welded Selvage Belting
-Heavy Duty Welded Selvage Belting
-Heavy Duty Clinched Selvage Belting
-Key-Turn Heavy Duty Radius Belting
-Flights / Attachments -Overview
-T-Series Machined
-S-Series
-H-Series
-Sprocket Material
-Overview
-Material Specifications
-Tolerances
-Sizes and Materials
-Square Shafts & Turned Ends
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