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KOYO K25X29X17H needle roller bearings - Industrial Bearing

  KOYO K25X29X17H needle roller bearings

KOYO K25X29X17H needle roller bearings pdf

Various 25 mm d types and 9 mm B sizes to accommodate your KOYO K25X29X17H needle roller bearings requirements.

d 25 mm
D 42 mm
B 9 mm
d1 30.6 mm
d2 30.6 mm
D2 39.15 mm
r1,2 min. 0.3 mm
r3,4 min. 0.2 mm
a 12.4 mm
da min. 27 mm
da max. 30.1 mm
db min. 27 mm
db max. 30.1 mm
Da max. 40 mm
Db max. 40.6 mm
ra max. 0.3 mm
rb max. 0.2 mm
Basic dynamic load rating C 6.37 kN
Basic static load rating C0 3.8 kN
Fatigue load limit Pu 0.16 kN
Attainable speed for grease lubrication 38000 r/min
Ball diameter Dw 4.762 mm
Number of balls z 18
Preload class A GA 40 N
Static axial stiffness, preload class A 66 N/µm
Preload class B GB 80 N
Static axial stiffness, preload class B 86 N/µm
Preload class C GC 160 N
Static axial stiffness, preload class C 112 N/µm
Preload class D GD 320 N
Static axial stiffness, preload class D 149 N/µm
Calculation factor f 1.07
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 (back-to-back, face-to-face) Y1 0.92
Calculation factor (back-to-back, face-to-face) Y2 1.41
Mass bearing 0.038 kg

      Detailed Parameters

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