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NTN PK47.2X66.2X26.8 needle roller bearings - Industrial Bearing

  NTN PK47.2X66.2X26.8 needle roller bearings

NTN PK47.2X66.2X26.8 needle roller bearings pdf

NTN PK47.2X66.2X26.8 needle roller bearings Manufacturers 80x55x13 Size (mm) , Online Wholesale Suppliers‎ 80 Bore Diameter (mm) 55 Outer Diameter (mm) !

Size (mm) 80x55x13
Bore Diameter (mm) 80
Outer Diameter (mm) 55
Width (mm) 13
d 55 mm
D 80 mm
B 13 mm
d1 62.7 mm
d2 62.7 mm
D1 72.3 mm
b 2.2 mm
C1 6.5 mm
C2 3.2 mm
C3 2 mm
r1,2 – min. 1 mm
r3,4 – min. 0.3 mm
a 22.4 mm
da – min. 59.6 mm
db – min. 59.6 mm
Da – max. 75.4 mm
Db – max. 78 mm
ra – max. 1 mm
rb – max. 0.3 mm
dn 64.7 mm
Basic dynamic load rating – C 18.2 kN
Basic static load rating – C0 13.7 kN
Fatigue load limit – Pu 0.585 kN
Limiting speed for grease lubrication 15000 r/min
Limiting speed for oil lubrication 24000 mm/min
Ball – Dw 7.938 mm
Ball – z 23
Gref 2.49 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 120 N
Preload class B – GB 240 N
Preload class C – GC 480 N
Preload class D – GD 960 N
Calculation factor – f 1.15
Calculation factor – f1 0.98
Calculation factor – f2A 1
Calculation factor – f2B 1.04
Calculation factor – f2C 1.08
Calculation factor – f2D 1.14
Calculation factor – fHC 1
Preload class A 124 N/micron
Preload class B 161 N/micron
Preload class C 211 N/micron
Preload class D 282 N/micron
r1,2 min. 1 mm
r3,4 min. 0.3 mm
da min. 59.6 mm
db min. 59.6 mm
Da max. 75.4 mm
Db max. 78 mm
ra max. 1 mm
rb max. 0.3 mm
Basic dynamic load rating C 18.2 kN
Basic static load rating C0 13.7 kN
Fatigue load limit Pu 0.585 kN
Attainable speed for grease lubrication 15000 r/min
Attainable speed for oil-air lubrication 24000 r/min
Ball diameter Dw 7.938 mm
Number of balls z 23
Reference grease quantity Gref 2.49 cm³
Preload class A GA 120 N
Static axial stiffness, preload class A 124 N/µm
Preload class B GB 240 N
Static axial stiffness, preload class B 161 N/µm
Preload class C GC 480 N
Static axial stiffness, preload class C 211 N/µm
Preload class D GD 960 N
Static axial stiffness, preload class D 282 N/µm
Calculation factor f 1.15
Calculation factor f1 0.98
Calculation factor f2A 1
Calculation factor f2B 1.04
Calculation factor f2C 1.08
Calculation factor f2D 1.14
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 0.18 kg

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