Sprocket (pre-drilled for taper bush) KR16B-3-Z021-3030

Designation	Dimension	Remark
z	21	number of teeth
p_t	1" 25.40 mm	Pitch (inch) - Dimensions for roller chain Pitch (metric) - Dimensions for roller chain
b₁	17.02 mm	Internal width (metric) - Dimensions for roller chain
d₁	15.88 mm	Roller diameter - Dimensions for roller chain
D_k	181.20 mm	Tip diameter (gearing)
D_t	170.43 mm	Pitch circle diameter (gearing)
D_n	130.00 mm	Hub diameter
D	30.00 mm	Diameter of pilot hole
L	100.00 mm	overall length
C	2.50 mm	Radius width
r	26.00 mm	Gear radius
Z_b	15.80 mm	Tooth width
h₃	79.60 mm	Tooth width

Designation	Dimension	Remark

Designation	Dimension											Roller chain
	z	D_k	D_t	D_n	D	L	r	C	Z_b	h₂	h₃	p		b₁		d₁
		mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	inch	mm	inch	mm
KR16B-3-Z017-2517	17	149,00	138,22	112,00	30,00	100,00	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z019-3020	19	165,20	154,33	128,00	30,00	100,00	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z021-3030	21	181,20	170,43	130,00	30,00	100,00	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z023-3525	23	197,50	186,53	130,00	30,00	100,00	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z025-3525	25	213,50	202,66	130,00	30,00	100,00	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z027-3525	27	229,60	218,79	130,00	30,00	100,00	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z030-3525	30	254,00	243,00	130,00	30,00	100,00	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z038-3525	38	320,70	307,59	140,00	30,00	100,00	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z045-4030	45	-	-	-	-	-	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z057-4030	57	-	-	-	-	-	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z076-4030	76	-	-	-	-	-	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z095-4030	95	-	-	-	-	-	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88

Designation	Dimension											Roller chain
	z	D_k	D_t	D_n	D	L	r	C	Z_b	h₂	h₃	p		b₁		d₁
		mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	inch	mm	inch	mm
DKR16B-Z021-021	21	181,20	170,43	110,00	20,00	50,00	26,00	2,50	16,20	-	-	25,40	1"	17,02	-	15,88
KR16B-1-Z021	21	181,20	170,43	110,00	20,00	50,00	26,00	2,50	16,20	-	-	25,40	1"	17,02	-	15,88
KR16B-1-Z021-2517	21	181,20	170,43	110,00	20,00	50,00	26,00	2,50	16,20	-	-	25,40	1"	17,02	-	15,88
KR16B-1-Z021-45HRC	21	181,20	170,43	110,00	20,00	50,00	26,00	2,50	16,20	-	-	33,40	1"	17,02	-	15,88
KR16B-1-Z021-AISI304	21	181,20	170,43	110,00	20,00	50,00	26,00	2,50	16,20	-	-	25,40	1"	17,02	-	15,88
KR16B-2-Z021	21	181,20	170,43	130,00	25,00	70,00	26,00	2,50	15,80	47,70	-	25,40	1"	17,02	-	15,88
KR16B-2-Z021-3020	21	181,20	170,43	130,00	25,00	70,00	26,00	2,50	15,80	47,70	-	25,40	1"	17,02	-	15,88
KR16B-3-Z021	21	181,20	170,43	130,00	30,00	100,00	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88
KR16B-3-Z021-3030	21	181,20	170,43	130,00	30,00	100,00	26,00	2,50	15,80	-	79,60	25,40	1"	17,02	-	15,88

Accessories have been identified for this product that require calculation or other parameters that are unknown to us for your application.
Identified accessories: Taper bush 3030. You can find a selection of them here.

Type	Designation	Brand	Full designation
16B-3	Roller chain (Triplex)	HFH	Roller chain (Triplex) 16B-3

Name	Brand	Webshop	Notice
KR16B-3-Z021-3030	HFH		Premium quality, house brand

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