Dimensions: Da 640.3, d 434, H 56. Mounting Hole Size: D1 585, D2 462, n1 14, n2 14, Φ1 M12, Φ2 18 Structure dimensions: b 45.5, h 10.5, bh 45.5, H2 45.5, dl 545.5, D3 542.5. Gear Data: m 6, z 105, do 630. Coa(KN)330, Weight(kg) 395. External gear slewing ring VLA200544NZT widely used in mining and metallurgical machinery, oil and chemical industry, construction machinery, wind power equipments, port machinery, high-precision radar and missile launchers, aerospace and some other fields. Get more detail about external gear slewing ring VLA200544NZT please contact US, lyjw03(at)jw-bearing(dot)com