FAG Stud type track rollers - KRV72-PP - JiNan Hope Hydraulic Co., Itd

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FAG Stud type track rollers - KRV72-PP image

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FAG Stud type track rollers - KRV72-PP Codes and sizes

Bearing number:71928 ACD/HCP4AH1
Size (mm):190x140x24
Bore Diameter (mm):190
Outer Diameter (mm):140
Width (mm):24
d:140 mm
D:190 mm
B:24 mm
d1:155.4 mm
d2:155.4 mm
D1:174.6 mm
K:0.5 mm
C1:6.92 mm
r1,2 - min.:1.5 mm
r3,4 - min.:0.6 mm
a:50.6 mm
da - min.:147 mm
db - min.:147 mm
Da - max.:183 mm
Db - max.:186 mm
ra - max.:1.5 mm
rb - max.:0.6 mm
dn:159.5 mm
Basic dynamic load rating - C:90.4 kN
Basic static load rating - C0:110 kN
Fatigue load limit - Pu:3.6 kN
Limiting speed for grease lubrication:7000 r/min
Limiting speed for oil lubrication:11000 mm/min
Ball - Dw:15.875 mm
Ball - z:29
Gref:21.6 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:560 N
Preload class B - GB:1120 N
Preload class C - GC:2240 N
Preload class D - GD:4480 N
Calculation factor - f:1.29
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.07
Calculation factor - f2C:1.12
Calculation factor - f2D:1.17
Calculation factor - fHC:1.04
Preload class A:386 N/micron
Preload class B:507 N/micron
Preload class C:681 N/micron
Preload class D:933 N/micron
r1,2 min.:1.5 mm
r3,4 min.:0.6 mm
da min.:147 mm
db min.:147 mm
Da max.:183 mm
Db max.:186 mm
ra max.:1.5 mm
rb max.:0.6 mm
Basic dynamic load rating C:90.4 kN
Basic static load rating C0:110 kN
Fatigue load limit Pu:3.65 kN
Attainable speed for grease lubrication:7000 r/min
Attainable speed for oil-air lubrication:11000 r/min
Ball diameter Dw:15.875 mm
Number of balls z:29
Reference grease quantity Gref:21.6 cm³
Preload class A GA:560 N
Static axial stiffness, preload class A:386 N/µm
Preload class B GB:1120 N
Static axial stiffness, preload class B:507 N/µm
Preload class C GC:2240 N
Static axial stiffness, preload class C:681 N/µm
Preload class D GD:4480 N
Static axial stiffness, preload class D:933 N/µm
Calculation factor f:1.29
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.07
Calculation factor f2C:1.12
Calculation factor f2D:1.17
Calculation factor fHC:1.04
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:1.39 kg

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JiNan Hope Hydraulic Co., Itd: Email[email protected]; AddressTianqiao, Beiyuan District, Jinan，Shandong; Phone(Working Time)0531-8299 9953; Fax

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