SKF SYFWK 50 LTHR Y-bearing short base plummer block units

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SKF SYFWK 50 LTHR Y-bearing short base plummer block units image

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Types of SKF BEARINGS

Bearing number:71972 ACDMA/P4A
Size (mm):480x360x56
Bore Diameter (mm):480
Outer Diameter (mm):360
Width (mm):56
d:360 mm
D:480 mm
B:56 mm
d1:397 mm
d2:397 mm
D1:443 mm
r1,2 - min.:3 mm
r3,4 - min.:1.1 mm
a:126.3 mm
da - min.:373 mm
db - min.:373 mm
Da - max.:465 mm
Db - max.:474 mm
ra - max.:2.5 mm
rb - max.:1 mm
dn:407 mm
Basic dynamic load rating - C:371 kN
Basic static load rating - C0:670 kN
Fatigue load limit - Pu:13.7 kN
Limiting speed for grease lubrication:1900 r/min
Limiting speed for oil lubrication:3000 mm/min
Ball - Dw:38.1 mm
Ball - z:30
Gref:313 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:2300 N
Preload class B - GB:4600 N
Preload class C - GC:9200 N
Preload class D - GD:18400 N
Calculation factor - f:1.29
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.08
Calculation factor - f2D:1.14
Calculation factor - fHC:1
Preload class A:754 N/micron
Preload class B:987 N/micron
Preload class C:1311 N/micron
Preload class D:1779 N/micron
r1,2 min.:3 mm
r3,4 min.:1.1 mm
da min.:373 mm
db min.:373 mm
Da max.:465 mm
Db max.:474 mm
ra max.:2.5 mm
rb max.:1 mm
Basic dynamic load rating C:371 kN
Basic static load rating C0:670 kN
Fatigue load limit Pu:13.7 kN
Attainable speed for grease lubrication:1900 r/min
Attainable speed for oil-air lubrication:3000 r/min
Ball diameter Dw:38.1 mm
Number of balls z:30
Reference grease quantity Gref:313 cm³
Preload class A GA:2300 N
Static axial stiffness, preload class A:754 N/µm
Preload class B GB:4600 N
Static axial stiffness, preload class B:987 N/µm
Preload class C GC:9200 N
Static axial stiffness, preload class C:1311 N/µm
Preload class D GD:18400 N
Static axial stiffness, preload class D:1779 N/µm
Calculation factor f:1.29
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
Calculation factor f2D:1.14
Calculation factor fHC:1
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (single, tandem) Y0:0.38
Calculation factor (single, tandem) X2:0.41
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Calculation factor (back-to-back, face-to-face) Y0:0.76
Calculation factor (back-to-back, face-to-face) X2:0.67
Mass bearing:26.7 kg

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