Vòng bi tang trống d220-260mm 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

Flangeless inner ring and two stamped steel cages, Guide ring centred on the inner ring, Standard, Retaining flanges on the inner ring

Loại trục sử dụng

Tapered 1:12, Tapered 1:30, Standard

Nắp đậy

Open, Sealed, Locating slot

Kiểu nắp đậy

NBR contact seals on both sides, HNBR contact seals on both sides, Two locating slots (notches) in one outer ring side face, 180° apart , One locating slot (notch) in one outer ring side face

Đường kính lỗ trục

220mm, 240mm, 260mm

Đường kính ngoài

300mm, 340mm, 370mm, 400mm, 460mm, 320mm, 360mm, 440mm, 500mm, 480mm, 540mm

Độ dày vòng bi

60mm, 90mm, 118mm, 120mm, 150mm, 108mm, 144mm, 145mm, 92mm, 128mm, 160mm, 155mm, 75mm, 104mm, 140mm, 180mm, 130mm, 174mm, 165mm

Tốc độ quay tham khảo

2000rpm, 1600rpm, 1200rpm, 1300rpm, 850rpm, 1500rpm, 1100rpm, 1000rpm, 1900rpm, 750rpm, 950rpm, 1700rpm, 670rpm

Tốc độ quay giới hạn

2200rpm, 600rpm, 2000rpm, 430rpm, 1700rpm, 360rpm, 1200rpm, 380rpm, 1500rpm, 1400rpm, 300rpm, 1900rpm, 400rpm, 1600rpm, 340rpm, 1100rpm, 1800rpm, 1300rpm, 320rpm, 950rpm, 240rpm

Tải trọng động

661kN, 662kN, 1261kN, 1262kN, 1628kN, 1888kN, 1891kN, 2197kN, 1835kN, 1839kN, 2485kN, 2839kN, 2844kN, 685kN, 1340kN, 1341kN, 1663kN, 2187kN, 2191kN, 2489kN, 2258kN, 3042kN, 3229kN, 1055kN, 1675kN, 1677kN, 2135kN, 2664kN, 2668kN, 3086kN, 3092kN, 2722kN, 3395kN, 3680kN

Tải trọng tĩnh

1080kN, 1860kN, 2600kN, 2750kN, 3350kN, 2360kN, 3450kN, 1160kN, 2080kN, 2700kN, 3200kN, 3900kN, 3000kN, 4300kN, 4000kN, 1800kN, 2550kN, 4800kN, 4900kN, 3550kN, 4750kN, 4550kN

Tải trọng mỏi giới hạn

93kN, 163kN, 212kN, 232kN, 285kN, 196kN, 200kN, 260kN, 98kN, 176kN, 228kN, 255kN, 320kN, 245kN, 345kN, 290kN, 156kN, 380kN, 360kN, 325kN

Phương truyền lực

Combined radial and axial

Kiểu vòng cách

Pressed cage, Outer ring centred, Machined cage

Chất liệu vòng cách

Sheet metal, Sheet steel, Brass

Chất liệu con lăn

Steel

Khoảng hở/Tải trọng ban đầu/Cấp dung sai

Clearance CN, Tolerance class P5, Clearance C2, Clearance C3, Clearance C4, Clearance C5, Clearance C2L, Clearance CNH

Chất bôi trơn

Filled 25-45% LGEP 2 grease, Filled 70-100% LGEP 2 grease, Filled 70-100% LGHB 2 grease, Solid oil, Non-lube, NSF H1 oil, Filled to 25-45% with SKF LGWM2 grease

Nhiệt độ hoạt động

120°C or less, -40...120°C, -40...150°C, 250°C or less

Đặc điểm

Annular groove and three lubrication holes in the outer ring, Bearing for vibratory applications, surface-hardened stamped steel cages, Bearing with grooves on the ends of the outer ring for averting turning in housings, Case-hardened inner ring, Six lubrication holes in the inner ring, Bearing rings or washers dimensionally stabilized for use at operating temperatures up to +250°C, Surface-hardened steel, Running accuracy better than C08 Manufacturing requirement. Spherical roller bearings for vibrating screens, Marking of the largest radial runout deviation on the inner ring or sleeve, Spherical bearings inspected to certain quality control requirement, Special reduced outside diameter tolerance for outer ring, Special bearing, Annular groove and six lubrication holes in the inner ring

Đường kính tổng thể

300mm, 340mm, 370mm, 400mm, 460mm, 320mm, 360mm, 440mm, 500mm, 480mm, 540mm

Chiều dài tổng thể

60mm, 90mm, 118mm, 120mm, 150mm, 108mm, 144mm, 145mm, 92mm, 128mm, 160mm, 155mm, 75mm, 104mm, 140mm, 180mm, 130mm, 174mm, 165mm

Khối lượng tương đối

12.5kg, 30.5kg, 29kg, 40kg, 53.5kg, 67kg, 60.5kg, 48.7kg, 81.5kg, 120kg, 5.85kg, 13.5kg, 33.5kg, 32kg, 43kg, 66.5kg, 83kg, 110kg, 155kg, 23.5kg, 48.5kg, 46kg, 65.5kg, 90.5kg, 109kg, 140kg, 190kg