Mechanical & Drive
     Sprockets

1/4" pitch (for #25 chain)

3/8" pitch (for #35 chain)

1/2" pitch (for #40 chain)

1/4" Pitch Sprockets for #25 chain
Bore	# Teeth	Pitch Dia. (inch)	Keyway	Approx. Weight (lb)
1/4"	9	.731	none	0.03
1/4"	10	.809	none	0.03
1/4"	11	.887	none	0.04
1/4"	12	.966	none	0.06
1/4"	13	1.045	none	0.07
1/4"	14	1.124	none	0.08
1/4"	15	1.203	none	0.1
Bore	# Teeth	Pitch Dia. (inch)	Keyway	Approx. Weight (lb)
3/8"	11	.887	none	0.04
3/8"	12	.966	none	0.06
3/8"	13	1.045	none	0.07
3/8"	14	1.124	none	0.08
3/8"	15	1.203	none	0.1
3/8"	16	1.282	none	0.1
3/8"	17	1.361	none	0.1
Bore	# Teeth	Pitch Dia. (inch)	Keyway	Approx. Weight (lb)
1/2"	13	1.045	none	0.07
1/2"	14	1.124	none	0.08
1/2"	15	1.203	none	0.1
1/2"	16	1.282	none	0.1
1/2"	17	1.361	none	0.1
1/2"	18	1.440	none	0.2
1/2"	19	1.519	none	0.2
1/2"	20	1.598	none	0.2
1/2"	21	1.678	none	0.3
1/2"	22	1.757	none	0.3
1/2"	23	1.836	none	0.3
1/2"	24	1.915	none	0.3
1/2"	25	1.995	none	0.3
1/2"	26	2.074	none	0.3
1/2"	28	2.233	none	0.4
1/2"	30	2.392	none	0.4
Bore	# Teeth	Pitch Dia. (inch)	Keyway	Approx. Weight (lb)
5/8"	18	1.440	3/16"	0.2
5/8"	19	1.519	3/16"	0.2
5/8"	20	1.598	3/16"	0.2
5/8"	21	1.678	3/16"	0.3
5/8"	22	1.757	3/16"	0.3
5/8"	23	1.836	3/16"	0.3
5/8"	24	1.915	3/16"	0.3
5/8"	25	1.995	3/16"	0.3
5/8"	26	2.074	3/16"	0.3
5/8"	28	2.233	3/16"	0.4
5/8"	30	2.392	3/16"	0.4
Bore	# Teeth	Pitch Dia. (inch)	Keyway	Approx. Weight (lb)
3/4"	20	1.598	3/16"	0.2
3/4"	21	1.678	3/16"	0.3
3/4"	22	1.757	3/16"	0.3
3/4"	23	1.836	3/16"	0.3
3/4"	24	1.915	3/16"	0.3
3/4"	25	1.995	3/16"	0.3
3/4"	26	2.074	3/16"	0.3
3/4"	28	2.233	3/16"	0.4
3/4"	30	2.392	3/16"	0.4

 

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