Timken 387 - 384D - Horton Bearing Services

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Timken 387 - 384D image

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Specifications for TIMKEN roller bearing

Bearing number:S7207 CD/HCP4A
Size (mm):72x35x17
Bore Diameter (mm):72
Outer Diameter (mm):35
Width (mm):17
d:35 mm
D:72 mm
B:17 mm
d1:46.8 mm
d2:46.8 mm
D2:63.2 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.3 mm
a:15.7 mm
da - min.:42 mm
da - max.:46.2 mm
db - min.:42 mm
db - max.:46.2 mm
Da - max.:65 mm
Db - max.:69.6 mm
ra - max.:1 mm
rb - max.:0.3 mm
Basic dynamic load rating - C:31.9 kN
Basic static load rating - C0:21.6 kN
Fatigue load limit - Pu:0.915 kN
Limiting speed for grease lubrication:26000 r/min
Ball - Dw:11.112 mm
Ball - z:13
Calculation factor - f0:13.9
Preload class A - GA:120 N
Preload class B - GB:240 N
Preload class C - GC:480 N
Preload class D - GD:960 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:55 N/micron
Preload class B:75 N/micron
Preload class C:104 N/micron
Preload class D:151 N/micron
r1,2 min.:1.1 mm
r3,4 min.:0.3 mm
da min.:42 mm
da max.:46.2 mm
db min.:42 mm
db max.:46.2 mm
Da max.:65 mm
Db max.:69.6 mm
ra max.:1 mm
rb max.:0.3 mm
Basic dynamic load rating C:31.9 kN
Basic static load rating C0:21.6 kN
Fatigue load limit Pu:0.915 kN
Attainable speed for grease lubrication:26000 r/min
Ball diameter Dw:11.112 mm
Number of balls z:13
Preload class A GA:120 N
Static axial stiffness, preload class A:55 N/µm
Preload class B GB:240 N
Static axial stiffness, preload class B:75 N/µm
Preload class C GC:480 N
Static axial stiffness, preload class C:104 N/µm
Preload class D GD:960 N
Static axial stiffness, preload class D:151 N/µm
Calculation factor f:1.05
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 f0:13.9
Mass bearing:0.24 kg

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