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NTN NU2224E cylindrical roller bearings - Industrial Bearing

  NTN NU2224E cylindrical roller bearings

NTN NU2224E cylindrical roller bearings pdf

What are the 68 Bore Diameter (mm) types 68x45x12 Size (mm) of NTN NU2224E cylindrical roller bearings ? Manufacturing Service . Get Your Free, Instant 45 Outer Diameter (mm) price, design review.

Size (mm) 68x45x12
Bore Diameter (mm) 68
Outer Diameter (mm) 45
Width (mm) 12
d 45 mm
D 68 mm
B 12 mm
d1 53.45 mm
d2 52.4 mm
D2 61.8 mm
r1,2 – min. 0.6 mm
r3,4 – min. 0.3 mm
a 22.1 mm
da – min. 48.2 mm
da – max. 52.9 mm
db – min. 48.2 mm
db – max. 51.8 mm
Da – max. 64.8 mm
Db – max. 66 mm
ra – max. 0.6 mm
rb – max. 0.3 mm
Basic dynamic load rating – C 7 kN
Basic static load rating – C0 5.4 kN
Fatigue load limit – Pu 0.232 kN
Limiting speed for grease lubrication 24000 r/min
Ball – Dw 4.762 mm
Ball – z 27
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 41 N
Preload class B – GB 82 N
Preload class C – GC 245 N
Calculation factor – f 1.08
Calculation factor – f1 0.99
Calculation factor – f2A 1
Calculation factor – f2B 1.02
Calculation factor – f2C 1.07
Calculation factor – fHC 1
Preload class A 74 N/micron
Preload class B 95 N/micron
Preload class C 143 N/micron
r1,2 min. 0.6 mm
r3,4 min. 0.3 mm
da min. 48.2 mm
da max. 52.9 mm
db min. 48.2 mm
db max. 51.8 mm
Da max. 64.8 mm
Db max. 66 mm
ra max. 0.6 mm
rb max. 0.3 mm
Basic dynamic load rating C 9.56 kN
Basic static load rating C0 9 kN
Fatigue load limit Pu 0.232 kN
Attainable speed for grease lubrication 24000 r/min
Ball diameter Dw 4.762 mm
Number of balls z 27
Preload class A GA 41 N
Static axial stiffness, preload class A 74 N/µm
Preload class B GB 82 N
Static axial stiffness, preload class B 95 N/µm
Preload class C GC 245 N
Static axial stiffness, preload class C 143 N/µm
Calculation factor f 1.08
Calculation factor f1 0.99
Calculation factor f2A 1
Calculation factor f2B 1.02
Calculation factor f2C 1.07
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 0.14 kg

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