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NTN NA497 needle roller bearings - Industrial Bearing

  NTN NA497 needle roller bearings

NTN NA497 needle roller bearings pdf

NTN NA497 needle roller bearings manufacturer and global supplier of reliable ball and 140x100x20 Size (mm) roller … NTN NA497 needle roller bearings Industries Products Manufacturing & Engineering 100 Outer Diameter (mm) and Agricultural Bearings designed 140 Bore Diameter (mm) to meet the unique requirements of our targeted industries.

Size (mm) 140x100x20
Bore Diameter (mm) 140
Outer Diameter (mm) 100
Width (mm) 20
d 100 mm
D 140 mm
B 20 mm
d1 112.3 mm
d2 112.3 mm
D1 127.7 mm
b 2.3 mm
C1 10.9 mm
C2 4 mm
C3 3.3 mm
r1,2 – min. 1.1 mm
r3,4 – min. 0.6 mm
a 38.1 mm
da – min. 106 mm
db – min. 106 mm
Da – max. 134 mm
Db – max. 136 mm
ra – max. 1 mm
rb – max. 0.6 mm
dn 115.6 mm
Basic dynamic load rating – C 57.2 kN
Basic static load rating – C0 63 kN
Fatigue load limit – Pu 2.4 kN
Limiting speed for grease lubrication 9000 r/min
Limiting speed for oil lubrication 15000 mm/min
Ball – Dw 12.7 mm
Ball – z 26
Gref 10.5 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 360 N
Preload class B – GB 720 N
Preload class C – GC 1440 N
Preload class D – GD 2880 N
Calculation factor – f 1.23
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
Preload class A 283 N/micron
Preload class B 373 N/micron
Preload class C 498 N/micron
Preload class D 680 N/micron
r1,2 min. 1.1 mm
r3,4 min. 0.6 mm
da min. 106 mm
db min. 106 mm
Da max. 134 mm
Db max. 136 mm
ra max. 1 mm
rb max. 0.6 mm
Basic dynamic load rating C 57.2 kN
Basic static load rating C0 63 kN
Fatigue load limit Pu 2.4 kN
Attainable speed for grease lubrication 9000 r/min
Attainable speed for oil-air lubrication 15000 r/min
Ball diameter Dw 12.7 mm
Number of balls z 26
Reference grease quantity Gref 10.5 cm³
Preload class A GA 360 N
Static axial stiffness, preload class A 283 N/µm
Preload class B GB 720 N
Static axial stiffness, preload class B 373 N/µm
Preload class C GC 1440 N
Static axial stiffness, preload class C 498 N/µm
Preload class D GD 2880 N
Static axial stiffness, preload class D 680 N/µm
Calculation factor f 1.23
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 (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 0.67 kg

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