Sprocket (pre-drilled for taper bush) KR20B-1-Z027-3020

Designation	Dimension	Remark
z	27	number of teeth
p_t	1" 1/4 31.75 mm	Pitch (inch) - Dimensions for roller chain Pitch (metric) - Dimensions for roller chain
b₁	3/4 19.56 mm	Internal width (inch) - Dimensions for roller chain Internal width (metric) - Dimensions for roller chain
d₁	19.05 mm	Roller diameter - Dimensions for roller chain
D_k	288.60 mm	Tip diameter (gearing)
D_t	273.48 mm	Pitch circle diameter (gearing)
D_n	150.00 mm	Hub diameter
D	25.00 mm	Diameter of pilot hole
L	55.00 mm	overall length
C	3.50 mm	Radius width
r	32.00 mm	Gear radius
Z_b	18.50 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
KR20B-1-Z013-2012	13	147,80	132,65	98,00	20,00	45,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z014-2012	14	157,80	142,68	108,00	20,00	45,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z015-2517	15	167,90	152,72	118,00	20,00	45,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z016-2517	16	177,90	162,75	120,00	25,00	50,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z017-2517	17	187,90	172,76	120,00	25,00	50,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z018-2517	18	198,00	182,85	120,00	25,00	50,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z019-2517	19	208,10	192,91	120,00	25,00	50,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z020-2517	20	218,10	202,95	120,00	25,00	50,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z021-2517	21	228,20	213,04	140,00	25,00	55,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z022-2517	22	238,30	223,11	140,00	25,00	55,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z023-2517	23	248,30	233,17	140,00	25,00	55,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z024-2517	24	258,40	243,23	140,00	25,00	55,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z025-2517	25	268,50	253,33	140,00	25,00	55,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z027-3020	27	288,60	273,48	150,00	25,00	55,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z030-3020	30	318,90	303,75	150,00	25,00	55,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z038-3020	38	399,60	384,49	150,00	25,00	55,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z045-3020	45	-	-	-	-	-	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z057-3020	57	-	-	-	-	-	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z076-3020	76	-	-	-	-	-	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05

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
KR20B-1-Z027	27	288,60	273,48	150,00	25,00	55,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-1-Z027-3020	27	288,60	273,48	150,00	25,00	55,00	32,00	3,50	18,50	-	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-2-Z027	27	288,60	273,48	150,00	25,00	80,00	32,00	3,50	18,20	54,60	-	31,75	1" 1/4	19,56	3/4"	19,05
KR20B-3-Z027	27	288,60	273,48	150,00	25,00	115,00	32,00	3,50	18,20	-	91,00	31,75	1" 1/4	19,56	3/4"	19,05

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 3020. You can find a selection of them here.

Type	Designation	Brand	Full designation
20B-1	Roller chain (Simplex)	HFH	Roller chain (Simplex) 20B-1

Name	Brand	Webshop	Notice
KR20B-1-Z027-3020	HFH		Premium quality, house brand

No more data could be loaded.

Our 3D models serve as visual support and are created with great care and the information is checked for accuracy. However, no liability can be accepted for any incorrect or incomplete information. The release of step files is reserved exclusively for corporate customers. To request a step file, please use the step file request link.

3D WebGL

Step-file