Vòng bi tang trống d20-55mm 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

Optimized internal design for increased load carrying capacity, Flangeless inner ring and two stamped steel cages, Guide ring centred on the inner ring, Standard

Loại trục sử dụng

Standard, Tapered 1:12

Nắp đậy

Sealed, Open

Kiểu nắp đậy

NBR contact seals on both sides, HNBR contact seals on both sides

Đường kính lỗ trục

20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm

Đường kính ngoài

52mm, 62mm, 72mm, 80mm, 90mm, 85mm, 100mm, 110mm, 120mm

Độ dày vòng bi

18mm, 23mm, 27mm, 20mm, 25mm, 19mm, 28mm, 21mm, 33mm, 38mm, 36mm, 42mm, 40mm, 45mm, 31mm, 29mm, 43mm, 49mm

Tốc độ quay tham khảo

13000rpm, 9300rpm, 10000rpm, 8200rpm, 9000rpm, 7300rpm, 8000rpm, 7000rpm, 6000rpm, 7500rpm, 6300rpm, 5300rpm, 5600rpm, 4800rpm, 4300rpm

Tốc độ quay giới hạn

17000rpm, 6100rpm, 12000rpm, 14000rpm, 5100rpm, 10000rpm, 4300rpm, 9500rpm, 11000rpm, 3900rpm, 8000rpm, 3500rpm, 8500rpm, 7000rpm, 3400rpm, 3200rpm, 75000rpm, 6300rpm, 3000rpm, 2900rpm, 7500rpm, 5600rpm, 2800rpm

Tải trọng động

49.9kN, 49.1kN, 66.1kN, 65.7kN, 88.8kN, 79.2kN, 98.5kN, 107kN, 155kN, 104kN, 129kN, 190kN, 159kN, 228kN, 280kN

Tải trọng tĩnh

44kN, 41.5kN, 60kN, 61kN, 85kN, 72N, 90kN, 108kN, 140kN, 98kN, 127kN, 183kN, 166kN, 224kN, 280kN

Tải trọng mỏi giới hạn

4.75kN, 4.55kN, 6.4kN, 6.8kN, 9.3kN, 8.15kN, 9.8kN, 11.8kN, 10.8kN, 13.7kN, 19.6kN, 18.6kN, 24kN, 30kN

Phương truyền lực

Combined radial and axial

Kiểu vòng cách

Pressed cage

Chất liệu vòng cách

Sheet metal

Chất liệu con lăn

Steel

Khoảng hở/Tải trọng ban đầu/Cấp dung sai

Clearance CN, Clearance C2, Clearance C3, Clearance C4, Clearance C1

Chất bôi trơn

Filled 25-45% LGEP 2 grease, Non-lube, Solid oil, NSF H1 oil, Filled 70-100% LGEP 2 grease, Filled 70-100% LGHB 2 grease, Grease

Nhiệt độ hoạt động

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

Đặc điểm

Bearing for vibratory applications, surface-hardened stamped steel cages, Variant of standard design in quality, dimensions, accuracy, vibration, No relubrication facility in the outer ring, Variant of standard design in boundary dimension deviations, Special specifications, used in printing, coating applications, High precision and preloaded spherical roller bearing for printing cylinders, Manufacturing requirement. Spherical roller bearings for vibrating screens

Đường kính tổng thể

52mm, 62mm, 72mm, 80mm, 90mm, 85mm, 100mm, 110mm, 120mm

Chiều dài tổng thể

18mm, 23mm, 27mm, 20mm, 25mm, 19mm, 28mm, 21mm, 33mm, 38mm, 36mm, 42mm, 40mm, 45mm, 31mm, 29mm, 43mm, 49mm

Khối lượng tương đối

0.28kg, 0.26kg, 0.29kg, 0.34kg, 0.41kg, 0.45kg, 0.52kg, 0.55kg, 0.53kg, 0.57kg, 0.75kg, 1.05kg, 1.2kg, 0.58kg, 0.66kg, 0.99kg, 1.4kg, 1.6kg, 0.63kg, 0.7kg, 1.35kg, 1.9kg, 2.1kg, 0.84kg, 1kg, 1.7kg, 2.45kg, 2.8kg