Bearing PK75X105X49.8 NTN -

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Bearing PK75X105X49.8 NTN image

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Bearing PK75X105X49.8 NTN Characteristics

Bearing number:728 CD/HCP4A
Size (mm):24x8x8
Bore Diameter (mm):24
Outer Diameter (mm):8
Width (mm):8
d:8 mm
D:24 mm
B:8 mm
d1:13.1 mm
d2:13.1 mm
D1:18.9 mm
r1,2 - min.:0.3 mm
r3,4 - min.:0.2 mm
a:6.2 mm
da - min.:10.4 mm
db - min.:10.4 mm
Da - max.:21.6 mm
Db - max.:22.2 mm
ra - max.:0.3 mm
rb - max.:0.2 mm
dn:14.3 mm
Basic dynamic load rating - C:3.7 kN
Basic static load rating - C0:1.4 kN
Fatigue load limit - Pu:0.057 kN
Limiting speed for grease lubrication:85000 r/min
Limiting speed for oil lubrication:130000 mm/min
Ball - Dw:4.762 mm
Ball - z:8
Gref:0.228 cm3
Calculation factor - f0:7.9
Preload class A - GA:14 N
Preload class B - GB:28 N
Preload class C - GC:56 N
Preload class D - GD:112 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.06
Calculation factor - fHC:1.01
Preload class A:13 N/micron
Preload class B:17 N/micron
Preload class C:23 N/micron
Preload class D:33 N/micron
r1,2 min.:0.3 mm
r3,4 min.:0.2 mm
da min.:10.4 mm
db min.:10.4 mm
Da max.:21.6 mm
Db max.:22.2 mm
ra max.:0.3 mm
rb max.:0.2 mm
Basic dynamic load rating C:3.71 kN
Basic static load rating C0:1.37 kN
Fatigue load limit Pu:0.057 kN
Attainable speed for grease lubrication:85000 r/min
Attainable speed for oil-air lubrication:130000 r/min
Ball diameter Dw:4.762 mm
Number of balls z:8
Reference grease quantity Gref:0.228 cm³
Preload class A GA:14 N
Static axial stiffness, preload class A:13 N/µm
Preload class B GB:28 N
Static axial stiffness, preload class B:17 N/µm
Preload class C GC:56 N
Static axial stiffness, preload class C:23 N/µm
Preload class D GD:112 N
Static axial stiffness, preload class D:33 N/µm
Calculation factor f:1.02
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.06
Calculation factor fHC:1.01
Calculation factor f0:7.9
Mass bearing:0.015 kg

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