FBN Standard Sprockets FBN 25B

FBN Standard Sprockets (Japanese Standard) FBN 25B 聽聽 Chain Type No.25Pitch (P) 6.35 mm聛i1/4 inch聛jInternal Width (W) 3.18 mmRoller Dia. (Dr) 3.30 mmTeeth width (T) 2.8 mm Outside Dia.聽 Do Pitch Dia.聽 Dp Hub a Sprockets No. Bore dia.聽 H7 Weight聽 (kg)BD BL Type Teeth No.36 32.55 25 15 6 FBN 25B 16 1......

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FBN Standard Sprockets (Japanese Standard) FBN 25B

FBN Standard Sprockets FBN 25B 聽聽

Chain Type	No.25
Pitch	(P)	6.35 mm聛i1/4 inch聛j
Internal Width	(W)	3.18 mm
Roller Dia.	(Dr)	3.30 mm
Teeth width	(T)	2.8 mm

Outside Dia.聽 Do	Pitch Dia.聽 Dp	Hub		a	Sprockets No.		Bore dia.聽 H7	Weight聽 (kg)
Outside Dia.聽 Do	Pitch Dia.聽 Dp	BD	BL	a	Type	Teeth No.	Bore dia.聽 H7	Weight聽 (kg)
36	32.55	25	15	6	FBN 25B	16	10,12	0.06
38	34.56	25	15	6		17	10,12	0.07
40	36.57	25	15	6		18	10,12	0.07
42	38.58	28	15	6		19	10,12	0.08
44	40.59	28	15	6		20	10,12	0.08
46	42.61	28	15	6		21	10,12	0.09
48	44.62	30	15	6		22	12,15	0.10
50	46.63	30	15	6		23	12,15	0.11
52	48.65	30	15	6		24	12,15	0.12
54	50.66	35	15	6		25	12,15,16	0.14
56	52.68	35	15	6		26	12,15,16	0.14
58	54.70	35	15	6		27	12,15,16	0.15
60	56.71	35	15	6		28	12,15,16	0.15
64	60.75	35	15	6		30	12,15,16	0.16
68	64.78	40	20	8		32	15,16,18,20	0.20
72	68.82	40	20	8		34	15,16,18,20	0.21
74	70.84	40	20	8		35	15,16,18,20	0.21
76	72.86	40	20	8		36	15,16,18,20	0.22
80	76.90	40	20	8		38	15,16,18,20	0.26
84	80.93	40	20	8		40	15,16,18,20	0.27