JLB radial key flange couplingDetailed product description：

Basic parameters and main dimensions of JLB radial key flange coupling (JB/ZQ4377-97)/mm

model	Nominal torque Tn/N·m		Shaft hole diameter done、 dtwo	Shaft hole length	Lone	B	D	Done	quality m/kg	moment of inertia I/kg·mtwo
				Jonetype
	D	E		L
JLB1	-	one thousand	40, 42, 45, 48, 50	eighty-four	one hundred and eight	seventy-eight	one hundred and seventy	ninety	twelve	zero point one seven nine
JLB2	-	two thousand and five hundred	55, 56	eighty-four	one hundred and eight	eighty	two hundred and fifteen	one hundred and twenty-five	twenty-seven point eight	zero point four seven
			60, 63, 65, 70, 71	one hundred and seven	one hundred and forty
JLB3	-	five thousand	seventy-five	one hundred and seven	one hundred and forty	one hundred and nine	two hundred and eighty-two	one hundred and eighty	sixty-five point five	two point three five
			80, 85, 90, 95	one hundred and thirty-two	one hundred and seventy
			one hundred	one hundred and sixty-seven	two hundred and twenty
JLB4	twelve thousand and five hundred	ten thousand	110, 120, 125	one hundred and sixty-seven	two hundred and twenty	one hundred and twenty-seven	three hundred and thirty	two hundred and twenty-five	one hundred and thirty-three	five point seven
JLB5	twenty-five thousand	twenty thousand	130, 140, 150	two hundred and two	two hundred and sixty-two	one hundred and fifty-five	four hundred and fifteen	two hundred and ninety	two hundred and forty-seven	fifteen point eight
			one hundred and sixty	two hundred and forty-two	three hundred and eight
JLB6	fifty thousand	forty thousand	170, 180	two hundred and forty-two	three hundred and eight	one hundred and eighty-five	five hundred	three hundred and sixty	four hundred and fifty-seven	fifty point seven
			190, 200	two hundred and eighty-two	three hundred and fifty-six
JLB7	eighty thousand	sixty-three thousand	two hundred and twenty	two hundred and eighty-two	three hundred and fifty-six	two hundred and thirty-one	six hundred and ten	four hundred and fifty	eight hundred and seventy-eight	one hundred and forty-two
			240, 250	three hundred and thirty	four hundred and twenty-six

Note: 1. The maximum outer circle line speed of the coupling shall not exceed 50m/s.
2. D - tangential key connection; E - Hook head wedge key connection.
3. Mass and moment of inertia are approximate values calculated based on the minimum diameter and maximum length of the shaft hole.

JLB radial key flange coupling