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NKE NCF2918-V cylindrical roller bearings - Industrial Bearing

  NKE NCF2918-V cylindrical roller bearings

NKE NCF2918-V cylindrical roller bearings pdf

170 Million used NKE NCF2918-V cylindrical roller bearings instantly searchable. Shop our 42x20x12 Size (mm) large selection of parts based on brand, price, description, and location. Order the with stock …

Size (mm) 42x20x12
Bore Diameter (mm) 42
Outer Diameter (mm) 20
Width (mm) 12
d 20 mm
D 42 mm
B 12 mm
d1 26.6 mm
d2 24.8 mm
D1 34.21 mm
r1,2 – min. 0.6 mm
r3,4 – min. 0.3 mm
a 13.2 mm
da – min. 22 mm
db – min. 22 mm
Da – max. 40 mm
Db – max. 39.6 mm
ra – max. 0.6 mm
rb – max. 0.3 mm
dn 28.1 mm
Basic dynamic load rating – C 7.2 kN
Basic static load rating – C0 3.2 kN
Fatigue load limit – Pu 0.137 kN
Limiting speed for grease lubrication 48000 r/min
Limiting speed for oil lubrication 75000 mm/min
Ball – Dw 6.35 mm
Ball – z 12
Gref 1.1 cm3
Calculation factor – e 0.68
Calculation factor – Y2 1.41
Calculation factor – Y0 0.76
Calculation factor – X2 0.67
Calculation factor – Y1 0.92
Preload class A – GA 64 N
Preload class B – GB 193 N
Preload class C – GC 390 N
Calculation factor – f 1.04
Calculation factor – f1 0.99
Calculation factor – f2A 1
Calculation factor – f2B 1.03
Calculation factor – f2C 1.06
Calculation factor – fHC 1
Preload class A 52 N/micron
Preload class B 78 N/micron
Preload class C 102 N/micron
r1,2 min. 0.6 mm
r3,4 min. 0.3 mm
da min. 22 mm
db min. 22 mm
Da max. 40 mm
Db max. 39.6 mm
ra max. 0.6 mm
rb max. 0.3 mm
Basic dynamic load rating C 7.15 kN
Basic static load rating C0 3.25 kN
Fatigue load limit Pu 0.137 kN
Attainable speed for grease lubrication 48000 r/min
Attainable speed for oil-air lubrication 75000 r/min
Ball diameter Dw 6.35 mm
Number of balls z 12
Reference grease quantity Gref 1.1 cm³
Preload class A GA 64 N
Static axial stiffness, preload class A 52 N/µm
Preload class B GB 193 N
Static axial stiffness, preload class B 78 N/µm
Preload class C GC 390 N
Static axial stiffness, preload class C 102 N/µm
Calculation factor f 1.04
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 0.064 kg

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