Sprocket (pre-drilled for taper bush) KR08B-1-Z020-1610

Designation	Dimension	Remark
z	20	number of teeth
p_t	1/2" 12.70 mm	Pitch (inch) - Dimensions for roller chain Pitch (metric) - Dimensions for roller chain
b₁	5/16" 7.75 mm	Internal width (inch) - Dimensions for roller chain Internal width (metric) - Dimensions for roller chain
d₁	8.51 mm	Roller diameter - Dimensions for roller chain
D_k	85.80 mm	Tip diameter (gearing)
D_t	81.19 mm	Pitch circle diameter (gearing)
D_n	64.00 mm	Hub diameter
D	12.00 mm	Diameter of pilot hole
L	28.00 mm	overall length
C	1.30 mm	Radius width
r	13.00 mm	Gear radius
Z_b	7.20 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
KR08B-1-Z015-1008	15	65,50	61,09	45,00	10,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z016-1108	16	69,50	65,10	50,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z017-1210	17	73,60	69,11	52,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z018-1210	18	77,80	73,14	56,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z019-1210	19	81,70	77,16	60,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z020-1610	20	85,80	81,19	64,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z021-1610	21	89,70	85,22	68,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z022-1610	22	93,80	89,24	70,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z023-1610	23	98,20	93,27	70,00	14,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z024-1610	24	101,80	97,29	70,00	14,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z025-1610	25	105,80	101,33	70,00	14,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z026-1610	26	110,00	105,36	70,00	16,00	30,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z027-1610	27	114,00	109,40	70,00	16,00	30,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z028-2012	28	118,00	113,42	70,00	16,00	30,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z030-2012	30	126,10	121,50	80,00	16,00	30,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z038-2012	38	158,60	153,80	90,00	16,00	35,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z045-2012	45	-	-	-	-	-	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z057-2012	57	-	-	-	-	-	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z076-2012	76	-	-	-	-	-	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z095-2012	95	-	-	-	-	-	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z114-2517	114	-	-	-	-	-	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51

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
DKR08B-Z020-020	20	85,80	81,19	64,00	12,00	44,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z020	20	85,80	81,19	64,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z020-1610	20	85,80	81,19	64,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z020-45HRC	20	85,80	81,19	64,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-1-Z020-AISI304	20	85,80	81,19	64,00	12,00	28,00	13,00	1,30	7,20	-	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-2-Z020	20	85,80	81,19	66,00	14,00	35,00	13,00	1,30	7,00	21,00	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-2-Z020-1610	20	85,80	81,19	66,00	14,00	35,00	13,00	1,30	7,00	21,00	-	12,70	1/2"	7,75	5/16"	8,51
KR08B-3-Z020	20	85,80	81,19	66,00	16,00	50,00	13,00	1,30	7,00	-	34,90	12,70	1/2"	7,75	5/16"	8,51

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 1610. You can find a selection of them here.

Type	Designation	Brand	Full designation
08B-1	Roller chain (Simplex)	HFH	Roller chain (Simplex) 08B-1

Name	Brand	Webshop	Notice
KR08B-1-Z020-1610	HFH		Premium quality, house brand

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