This CKZ backstop clutch is widely used for packing machine,marine machine and Metallurgy machine.etc.

 Type WKZ backstop clutch's construction is the same as CKZ, it is a type sprag freewheel supported by double bearings. used for overrunning speed between 600-1500rmin, torque 180-8000 N.m, even highest torque more than 70000N.m. It allows roation  in package machine, derrick machine. Metallurgy machine,etc.,

             Sprag type WKZ freewheel(supported by bearing)math and main sizes

		Tn N.m	rmin	D×L d×L1	n-dF	D1
1	WKZ75×47-14	180	1500	75×47 14×47	4-M6   12 15,	61	1.35
2	WKZ75×50-14	180	1500	75×48 14×50	4-M6   12 15,	61	1.35
3	WKZ77×63-19	180	1500	77×60 19×63	4-M6   12 15,	66	1.50
4	WKZ80×66-20	200	1500	80×68 30×50	4-M6   12 15,	66	1.95
5	WKZ80×62-30	200	1500	80×62 30×62	8×4.0L=40		1.60
6	WKZ89×70-18	200	1300	89×68 18×70	4-M8   20 25,	73	2.00
7	WKZ90×50-25	260	1300	90×50 25×50	12×5×30		1.91
8	WKZ90×70-25	260	1300	90×68 25×70	6-M10   12 15,	76	2.36
9	WKZ100×64-20	260	1200	100×64 20×64	6-M18   20 25,	88	2.50

backstop clutch CKZ