SPROCKET 28B-2

Specifications

ISO-Nr.:	28В-2
Step, mm:	44,45
Distance between chain plates, mm:	30,99
Diameter of the chain roller, mm:	27,94
Width of crown (bf1), mm:	88,4
Chamfer of tooth profile (ba), mm:	5,0
The minimum tooth radius (rx), mm:	44,0
Material:	Steel C45

Number of teeth (z)	Diameter of dividing circle (d0), mm	Diameter of the tip of the teeth (dk), mm	Diameter of the rough hole (d1), mm	Weight, kg
8	116,15	132	25	4,01
9	129,96	148,4	25	5,48
10	143,85	162,3	25	7,17
11	157,77	176,3	25	8,92
12	171,74	189,3	25	11,04
13	185,75	204,2	25	13,38
14	199,76	218,2	25	15,94
15	213,79	232,3	25	18,72
16	227,84	246,3	30	21,71
17	241,9	260	30	24,92
18	255,98	274	30	28,36
19	270,06	289	30	32
20	284,15	303	30	35,87
21	298,24	317	30	39,96
22	312,34	331	30	44,26
23	326,44	345	30	48,78
24	340,55	359	30	52,81
25	354,66	373	30	58,5
26	368,77	387	30	63,28
27	382,88	401	30	68,91
28	397	416	30	74,29
29	411,12	430	30	80,23
30	425,24	444	30	86,17
31	439,37	458	30	92,87
32	453,49	472	30	99,27
33	467,62	486	30	105,67
34	481,75	500	30	112,07
35	495,88	514	30	119,69
36	510,01	529	30	127,27
37	524,13	543	30	134,85
38	538,27	557	30	142,42
39	552,4	571	30	150,01
40	566,54	585	30	158,67
45	637,22	656	30	203,1
50	707,91	726	30	252,99
57	806,9	825	40	332
60	849,32	869	40	349,5
76	1075,62	1095	40	600,35