Vòng bi tang trống d670-800mm SKF Type 2 

Loại

Spherical roller bearings

Cấu tạo vòng bi

Full cover rings

Kiểu con lăn

Spherical roller

Số dãycon lăn

2

Thiết kế vòng bi

Retaining flanges on the inner ring, Guide ring centred on the inner ring, Optimized internal design for increased load carrying capacity, Bearing for wind turbine main shafts with roller-guided cast iron cage

Loại trục sử dụng

Tapered 1:12, Tapered 1:30, Standard

Nắp đậy

Open

Đường kính lỗ trục

670mm, 710mm, 750mm, 800mm

Đường kính ngoài

820mm, 900mm, 980mm, 1090mm, 1220mm, 870mm, 950mm, 1030mm, 1150mm, 1280mm, 920mm, 1000mm, 1060mm, 1420mm

Độ dày vòng bi

112mm, 150mm, 170mm, 230mm, 308mm, 336mm, 412mm, 438mm, 118mm, 180mm, 243mm, 236mm, 315mm, 345mm, 450mm, 128mm, 185mm, 250mm, 335mm, 365mm, 475mm, 195mm, 258mm, 375mm, 488mm

Tốc độ quay tham khảo

400rpm, 360rpm, 340rpm, 300rpm, 240rpm, 180rpm, 220rpm, 260rpm, 20rpm, 160rpm, 200rpm, 320rpm, 280rpm, 150rpm, 140rpm

Tốc độ quay giới hạn

700rpm, 670rpm, 600rpm, 500rpm, 260rpm, 360rpm, 560rpm, 450rpm, 40rpm, 240rpm, 320rpm, 480rpm, 530rpm, 430rpm, 220rpm, 400rpm, 200rpm, 280rpm

Tải trọng động

2643kN, 3598kN, 5146kN, 7919kN, 10435kN, 13101kN, 16381kN, 18650kN, 3013kN, 5702kN, 6860kN, 8669kN, 11164kN, 11166kN, 14732kN, 17935kN, 21208kN, 3405kN, 6138kN, 7699kN, 10061kN, 12235kN, 12309kN, 16518kN, 20434kN, 4780kN, 6595kN, 8136kN, 10335kN, 13431kN, 13447kN, 18033kN, 21587kN, 24973kN

Tải trọng tĩnh

6400kN, 9500kN, 10800kN, 14600kN, 20400kN, 22400kN, 29000kN, 30500kN, 7500kN, 12000kN, 15600kN, 16300kN, 22800kN, 22000kN, 26000kN, 32500kN, 34500kN, 8500kN, 13200kN, 18000kN, 18600kN, 25000kN, 24500kN, 37500kN, 12900kN, 14300kN, 19300kN, 20000kN, 28500kN, 27500kN, 31500kN, 40500kN, 43000kN

Tải trọng mỏi giới hạn

430kN, 655kN, 680kN, 880kN, 1290kN, 1320kN, 1760kN, 1700kN, 500kN, 750kN, 930kN, 965kN, 1430kN, 1530kN, 1900kN, 2000kN, 550kN, 800kN, 1100kN, 1460kN, 2160kN, 830kN, 865kN, 1060kN, 1160kN, 1660kN, 1800kN, 2320kN, 2360kN

Phương truyền lực

Combined radial and axial

Kiểu vòng cách

Machined cage, Outer ring centred, Inner ring centred

Chất liệu vòng cách

Brass, Cast iron, Steel

Chất liệu con lăn

Steel

Khoảng hở/Tải trọng ban đầu/Cấp dung sai

Clearance CN, Clearance C3, Tolerance class P5, Clearance C4

Chất bôi trơn

Non-lube

Nhiệt độ hoạt động

120°C or less, 250°C or less

Đặc điểm

Three lubrication holes in the outer ring, Annular groove and three lubrication holes in the outer ring, Six lubrication holes in the inner ring, Bearing rings or washers dimensionally stabilized for use at operating temperatures up to +250°C, Spherical bearings inspected to certain quality control requirement, Marking of the largest radial runout deviation on the inner ring or sleeve, Case-hardened inner and outer rings, Bearings without lubricating groove and holes, spherical roller bearing, Additionally with lubrication groove and 6 lubrication holes in the inner ring, special oil injection nozzles in the inner ring, Running accuracy better than C08 Spherical roller bearing with aluminium closing plugs for lubrication holes in the outer ring, Annular groove and six lubrication holes in the inner ring

Đường kính tổng thể

820mm, 900mm, 980mm, 1090mm, 1220mm, 870mm, 950mm, 1030mm, 1150mm, 1280mm, 920mm, 1000mm, 1060mm, 1420mm

Chiều dài tổng thể

112mm, 150mm, 170mm, 230mm, 308mm, 336mm, 412mm, 438mm, 118mm, 180mm, 243mm, 236mm, 315mm, 345mm, 450mm, 128mm, 185mm, 250mm, 335mm, 365mm, 475mm, 195mm, 258mm, 375mm, 488mm

Khối lượng tương đối

130kg, 172kg, 315kg, 600kg, 790kg, 1250kg, 1600kg, 2270kg, 153kg, 365kg, 495kg, 670kg, 895kg, 843kg, 1450kg, 1900kg, 2610kg, 185kg, 420kg, 560kg, 795kg, 1070kg, 1010kg, 1700kg, 2100kg, 300kg, 470kg, 640kg, 1200kg, 1140kg, 1920kg, 2300kg, 3280kg