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28B-2 Metric Roller Chain Sprockets

28B-2 roller chain sprockets are manufactured for metric 28B-2 roller chain and is manufactured in accordance with ISO, DIN, and BS228 standards. All of our sprockets are precision manufactured from high-quality steel, and the majority of them are black oxide coated, and have hardened teeth on tooth counts 30 or less. Something important to know note is that on tooth counts 31 and up hardened teeth make little to no performance increase, this is why it is not standard. To get a quote on 28B-2 sprockets or for more information please contact us and we will be happy to assist you.

28B-2 B-Hub Sprockets

Sprocket Size	Tooth Count	Pitch Diameter	Stock Bore	Max. Bore	Hub Diameter (H)	Length Thru Bore (L)	Weight (kg)
Sprocket Size	Tooth Count	Pitch Diameter	Stock Bore	Max. Bore	Hub Diameter (H)	Length Thru Bore (L)	Weight (kg)
D28B11	11	157.77mm	40mm	73mm	112mm	120mm	10.21
*D28B12*	12	171.74mm	40mm	84mm	125mm	120mm	13.02
*D28B13*	13	185.74mm	40mm	84mm	130mm	120mm	16.00
*D28B14*	14	199.76mm	40mm	84mm	135mm	120mm	19.28
*D28B15*	15	213.79mm	40mm	87mm	145mm	120mm	22.91
*D28B16*	16	227.84mm	40mm	96mm	160mm	120mm	26.92
*D28B17*	17	241.91mm	40mm	108mm	178mm	120mm	30.83
*D28B18*	18	255.98mm	40mm	114mm	178mm	120mm	34.74
*D28B19*	19	270.06mm	40mm	114mm	178mm	120mm	38.93
*D28B20*	20	284.14mm	40mm	133mm	178mm	120mm	44.27
*D28B21*	21	298.24mm	40mm	133mm	178mm	120mm	45.08
*D28B22*	22	312.34mm	40mm	133mm	178mm	120mm	48.15
*D28B23*	23	326.44mm	40mm	133mm	178mm	120mm	51.59
*D28B24*	24	340.54mm	40mm	133mm	178mm	120mm	55.03
*D28B25*	25	354.65mm	40mm	133mm	178mm	120mm	58.47
*D28B26*	26	368.77mm	40mm	133mm	178mm	120mm	64.06
*D28B28*	28	397.00mm	40mm	133mm	178mm	120mm	76.05
*D28B30*	30	425.24mm	40mm	133mm	178mm	120mm	89.16
*D28B32*	32	453.49mm	40mm	133mm	178mm	120mm	103.38

28B-2 C-Hub Sprockets

Sprocket Size	Tooth Count	Pitch Diameter	Stock Bore	Max. Bore	Hub Diameter (H)	Length Thru Bore (L)	Weight (kg)
Sprocket Size	Tooth Count	Pitch Diameter	Stock Bore	Max. Bore	Hub Diameter (H)	Length Thru Bore (L)	Weight (kg)
*D28C38*	38	537.27mm	40mm	133mm	191mm	159mm	97.53
D28C40	40	566.54mm	40mm	137mm	191mm	159mm	109.47
*D28C45*	45	637.22mm	40mm	137mm	191mm	159mm	137.32
*D28C48*	48	679.63mm	40mm	137mm	191mm	159mm	153.61
*D28C54*	54	764.47mm	40mm	162mm	241mm	181mm	204.44
*D28C57*	57	806.89mm	40mm	162mm	241mm	181mm	210.02
*D28C60*	60	849.32mm	40mm	162mm	241mm	181mm	230.82
*D28C68*	68	962.47mm	40mm	162mm	241mm	181mm	273.98
*D28C72*	72	1019.04mm	40mm	162mm	241mm	181mm	305.70
*D28C76*	76	1075.62mm	40mm	162mm	241mm	181mm	323.56

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