Number

of Teeth For Shaft

Dia. OD Overall

Wd. Hub Dia. Material Type Material Each

For ANSI 25 Roller Chain (1/4" Pitch)

20 3/8" 1.73" 5/16" 29/32" Steel Ball Steel 6663K11 $42.25

For ANSI 35 Roller Chain (3/8" Pitch)

19 3/8" 2.47" 3/8" 1 1/8" Steel Ball Steel 6663K21 41.19

19 1/2" 2.47" 3/8" 1 1/8" Steel Ball Steel 6663K22 41.19

For ANSI 40 Roller Chain (1/2" Pitch)

18 1/2" 3.14" 7/16" 1 3/8" Steel Ball Steel 6663K41 46.49

18 5/8" 3.14" 7/16" 1 3/8" Steel Ball Steel 6663K42 46.49

For ANSI 41 Roller Chain (1/2" Pitch)

18 1/2" 3.14" 7/16" 1 3/8" Steel Ball Steel 6663K31 46.49

18 5/8" 3.14" 7/16" 1 3/8" Steel Ball Steel 6663K32 46.49

For ANSI 50 Roller Chain (5/8" Pitch)

17 1/2" 3.72" 7/16" 1 3/8" Steel Ball Steel 6663K51 47.70

17 5/8" 3.72" 7/16" 1 3/8" Steel Ball Steel 6663K52 47.70

For ANSI 60 Roller Chain (3/4" Pitch)

15 1/2" 3.98" 7/16" 1 3/8" Steel Ball Steel 6663K61 50.27

15 5/8" 3.98" 7/16" 1 3/8" Steel Ball Steel 6663K62 50.27

For ANSI 80 Roller Chain (1" Pitch)

12 3/4" 4.33" 39/64" 1 25/32" Steel Ball Steel 6663K63 76.32