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NKE K 81230-MB thrust roller bearings - Industrial Bearing

  NKE K 81230-MB thrust roller bearings

NKE K 81230-MB thrust roller bearings pdf

Online shopping NKE K 81230-MB thrust roller bearings from a 75 mm d great selection 20 mm B at Store. … Accessories.

d 75 mm
D 115 mm
B 20 mm
d1 89.28 mm
d2 86.8 mm
D1 100.72 mm
b 1.8 mm
C1 10.9 mm
C2 3.4 mm
C3 3.4 mm
r1,2 min. 1.1 mm
r3,4 min. 0.6 mm
a 32.3 mm
da min. 81 mm
db min. 81 mm
Da max. 109 mm
Db max. 110.8 mm
ra max. 1 mm
rb max. 0.6 mm
dn 91.5 mm
Basic dynamic load rating C 24.7 kN
Basic static load rating C0 20.4 kN
Fatigue load limit Pu 0.865 kN
Attainable speed for grease lubrication 14500 r/min
Attainable speed for oil-air lubrication 23000 r/min
Ball diameter Dw 9.525 mm
Number of balls z 26
Reference grease quantity Gref 8.6 cm³
Preload class A GA 220 N
Static axial stiffness, preload class A 161 N/µm
Preload class B GB 670 N
Static axial stiffness, preload class B 243 N/µm
Preload class C GC 1340 N
Static axial stiffness, preload class C 318 N/µm
Calculation factor f 1.1
Calculation factor f1 0.99
Calculation factor f2A 1
Calculation factor f2B 1.03
Calculation factor f2C 1.06
Calculation factor fHC 1
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 0.65 kg

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