Timken HM88638 - HM88612 - Horton Bearing Services

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Timken HM88638 - HM88612 image

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Specifications for TIMKEN roller bearing

d:30 mm
D:55 mm
B:13 mm
d1:37.7 mm
d2:37.7 mm
D1:47.3 mm
r1,2 min.:1 mm
r3,4 min.:0.3 mm
a:16.6 mm
da min.:34.6 mm
db min.:34.6 mm
Da max.:50.4 mm
Db max.:53 mm
ra max.:1 mm
rb max.:0.3 mm
Basic dynamic load rating C:13.8 kN
Basic static load rating C0:7.65 kN
Fatigue load limit Pu:0.325 kN
Attainable speed for grease lubrication:34000 r/min
Ball diameter Dw:7.938 mm
Number of balls z:14
Reference grease quantity Gref:1.59 cm³
Preload class A GA:90 N
Static axial stiffness, preload class A:88 N/µm
Preload class B GB:180 N
Static axial stiffness, preload class B:113 N/µm
Preload class C GC:360 N
Static axial stiffness, preload class C:147 N/µm
Preload class D GD:720 N
Static axial stiffness, preload class D:195 N/µm
Calculation factor f:1.06
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.02
Calculation factor f2C:1.05
Calculation factor f2D:1.08
Calculation factor fHC:1.02
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Mass bearing:0.095 kg

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