Product Description

Zhejiang Yulong Machinery Manufacturing Co., Ltd. which was stablished in 1993 is a key protective enterprise with high and new technoloy in ruian city. Our company which was chosen as ruian city model enterprise in 2002 is an economic entity integrating scientific research and development with production and a company specializing in manufactruing such basic parts as expansion sleeve, reverse stopping device, lock disk diaphragm coupling, adapter sleeves, withdrawal sleeves and lock nut, etc. Among which expansion sleeve and reverse stopping device have been selected as assigned products in the manual of mainly edited in 2002 by Bejing Lifting and Transport Machinery Research Institute. And our company has also got ISO9001 Quality Assurance System Approval.

Detailed

Type Bearing capacity Nm Diameter scope d mm Hole highest rotational speed r/min Idle resistance rules Nm Structural size(mm)   weight kg A B D H h L L 1 NYD220 50000 160~220 80 75 240 259 500 820 80 230 303 351 NYD240 65000 180~240 85 260 279 540 900 90 250 323 452 NYD250 90000 180~250 50 95 290 323 600 1000 100 290 367 675 NYD270 125000 200~270 100 300 650 1100 110 737 NYD300 180000 230~300 110 360 335 780 1300 135 392 1123 NYD330 270000 250~330 140 390 345 850 1500 320 412 1425 NYD350 320000 250~350 160 420 360 930 1600 360 426 1955 NYD400 420000 300~400 190 450 424 1000 1700 150 420 520 2580 NYD420 520000 320~420 220 480 484 1030 180 165 450 550 2930 NYD450 700000 350~450 250 526 494 1090 2000 480 574 3380