Vòng bi tang trống d280-320mm 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

HNBR contact seals on both sides, One locating slot (notch) in one outer ring side face

Đường kính lỗ trục

280mm, 300mm, 320mm

Đường kính ngoài

380mm, 420mm, 460mm, 500mm, 580mm, 540mm, 440mm, 480mm

Độ dày vòng bi

75mm, 106mm, 140mm, 146mm, 180mm, 130mm, 176mm, 175mm, 90mm, 118mm, 160mm, 200mm, 192mm, 121mm, 218mm, 150mm, 208mm

Tốc độ quay tham khảo

1600rpm, 1300rpm, 950rpm, 1000rpm, 630rpm, 1100rpm, 800rpm, 1400rpm, 1200rpm, 850rpm, 560rpm, 750rpm, 500rpm, 700rpm

Tốc độ quay giới hạn

1700rpm, 1600rpm, 1400rpm, 1300rpm, 300rpm, 900rpm, 220rpm, 1500rpm, 1100rpm, 320rpm, 1200rpm, 240rpm, 260rpm, 800rpm, 212rpm, 1000rpm, 700rpm, 950rpm

Tải trọng động

1016kN, 1797kN, 2248kN, 2784kN, 2788kN, 3183kN, 3190kN, 2795kN, 3425kN, 4158kN, 1413kN, 2219kN, 2222kN, 2821kN, 2827kN, 3368kN, 3373kN, 3876kN, 3881kN, 3239kN, 4052kN, 1480kN, 2348kN, 2969kN, 3923kN, 3929kN, 4395kN, 3708kN, 4607kN

Tải trọng tĩnh

1760kN, 2850kN, 3800kN, 4250kN, 5100kN, 3750kN, 4900kN, 5200kN, 2500kN, 3450kN, 4750kN, 6300kN, 5850kN, 2700kN, 6000kN, 6100kN, 7100kN, 6700kN

Tải trọng mỏi giới hạn

143kN, 224kN, 285kN, 335kN, 415kN, 300kN, 365kN, 200kN, 265kN, 355kN, 380kN, 465kN, 325kN, 425kN, 212kN, 400kN, 440kN, 510kN, 375kN, 475kN

Phương truyền lực

Combined radial and axial

Kiểu vòng cách

Pressed cage, Machined cage

Chất liệu vòng cách

Sheet metal, 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

Chất bôi trơn

Filled 25-45% LGEP 2 grease, Non-lube, Solid oil

Nhiệt độ hoạt động

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

Đặc điểm

Annular groove and three lubrication holes in the outer ring, Annular groove and six lubrication holes in the inner ring, Spherical bearings inspected to certain quality control requirement, 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, Bearing with grooves on the ends of the outer ring for averting turning in housings, Running accuracy better than C08 Marking of the largest radial runout deviation on the inner ring or sleeve, Spherical roller bearing with aluminium closing plugs for lubrication holes in the outer ring

Đường kính tổng thể

380mm, 420mm, 460mm, 500mm, 580mm, 540mm, 440mm, 480mm

Chiều dài tổng thể

75mm, 106mm, 140mm, 146mm, 180mm, 130mm, 176mm, 175mm, 90mm, 118mm, 160mm, 200mm, 192mm, 121mm, 218mm, 150mm, 208mm

Khối lượng tương đối

25kg, 52.5kg, 74.6kg, 97kg, 120kg, 5.85kg, 150kg, 235kg, 39.5kg, 86.2kg, 95kg, 125kg, 160kg, 156kg, 135kg, 190kg, 42kg, 2.42kg, 78kg, 100kg, 165kg, 210kg, 175kg, 240kg