Sprocket (pre-drilled for taper bush) KR12B-1-Z020-2012

Designation	Dimension	Remark
z	20	number of teeth
p_t	3/4" 19.05 mm	Pitch (inch) - Dimensions for roller chain Pitch (metric) - Dimensions for roller chain
b₁	7/16" 11.68 mm	Internal width (inch) - Dimensions for roller chain Internal width (metric) - Dimensions for roller chain
d₁	12.07 mm	Roller diameter - Dimensions for roller chain
D_k	129.70 mm	Tip diameter (gearing)
D_t	121.78 mm	Pitch circle diameter (gearing)
D_n	80.00 mm	Hub diameter
D	16.00 mm	Diameter of pilot hole
L	35.00 mm	overall length
C	2.00 mm	Radius width
r	19.00 mm	Gear radius
Z_b	11.10 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
KR12B-1-Z013-1210	13	87,50	79,59	58,00	14,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z014-1610	14	93,60	85,61	64,00	14,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z015-1610	15	99,80	91,63	70,00	14,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z016-1610	16	105,50	97,65	75,00	16,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z017-1610	17	111,50	103,67	80,00	16,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z018-2012	18	118,00	109,71	80,00	16,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z019-2012	19	124,20	115,75	80,00	16,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z020-2012	20	129,70	121,78	80,00	16,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z021-2517	21	136,00	127,82	90,00	20,00	40,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z022-2517	22	141,80	133,86	90,00	20,00	40,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z023-2517	23	149,00	139,90	90,00	20,00	40,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z024-2517	24	153,90	145,94	90,00	20,00	40,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z025-2517	25	160,00	152,00	90,00	20,00	40,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z026-2517	26	165,90	158,04	95,00	20,00	40,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z027-2517	27	172,30	164,09	95,00	20,00	40,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z028-2517	28	178,00	170,13	95,00	20,00	40,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z030-2517	30	190,50	182,25	95,00	20,00	40,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z038-2517	38	239,00	230,69	100,00	20,00	40,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z045-2517	45	282,50	273,10	118,00	25,00	61,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z057-2517	57	355,40	345,81	118,00	-	61,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z076-2517	76	469,90	460,99	118,00	30,00	61,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z095-2517	95	585,10	576,17	133,00	30,00	62,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z114-2525	114	-	-	-	-	-	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07

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
DKR12B-Z020-020	20	129,70	121,78	80,00	16,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z020	20	129,70	121,78	80,00	16,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z020-2012	20	129,70	121,78	80,00	16,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z020-45HRC	20	129,70	121,78	80,00	16,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-1-Z020-AISI304	20	129,70	121,78	80,00	16,00	35,00	19,00	2,00	11,10	-	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-2-Z020	20	129,70	121,78	100,00	20,00	50,00	19,00	2,00	10,80	30,30	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-2-Z020-2517	20	129,70	121,78	100,00	20,00	50,00	19,00	2,00	10,80	30,30	-	19,05	3/4"	11,68	7/16"	12,07
KR12B-3-Z020	20	129,70	121,78	100,00	20,00	70,00	19,00	2,00	10,80	-	49,80	19,05	3/4"	11,68	7/16"	12,07

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 2012. You can find a selection of them here.

Type	Designation	Brand	Full designation
12B-1	Roller chain (Simplex)	HFH	Roller chain (Simplex) 12B-1

Name	Brand	Webshop	Notice
KR12B-1-Z020-2012	HFH		Premium quality, house brand

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