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SIGMA NMJ 7/8 self aligning ball bearings - Industrial Bearing

  SIGMA NMJ 7/8 self aligning ball bearings

SIGMA NMJ 7/8 self aligning ball bearings pdf

QuestionSIGMA NMJ 7/8 self aligning ball bearings ? Find what 240x160x38 Size (mm) you need faster by entering your information .

Size (mm) 240x160x38
Bore Diameter (mm) 240
Outer Diameter (mm) 160
Width (mm) 38
d 160 mm
D 240 mm
B 38 mm
d1 184.7 mm
d2 184.7 mm
D1 215.3 mm
b 2.8 mm
C1 21.2 mm
C2 7.1 mm
C3 6.6 mm
r1,2 – min. 2.1 mm
r3,4 – min. 1 mm
a 65.9 mm
da – min. 171 mm
db – min. 171 mm
Da – max. 229 mm
Db – max. 235 mm
ra – max. 2 mm
rb – max. 1 mm
dn 191.4 mm
Basic dynamic load rating – C 182 kN
Basic static load rating – C0 204 kN
Fatigue load limit – Pu 6.2 kN
Limiting speed for grease lubrication 5000 r/min
Limiting speed for oil lubrication 7500 mm/min
Ball – Dw 25.4 mm
Ball – z 22
Gref 66 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 1150 N
Preload class B – GB 2300 N
Preload class C – GC 4600 N
Preload class D – GD 9200 N
Calculation factor – f 1.16
Calculation factor – f1 0.99
Calculation factor – f2A 1
Calculation factor – f2B 1.02
Calculation factor – f2C 1.05
Calculation factor – f2D 1.08
Calculation factor – fHC 1
Preload class A 414 N/micron
Preload class B 540 N/micron
Preload class C 717 N/micron
Preload class D 968 N/micron
r1,2 min. 2.1 mm
r3,4 min. 1 mm
da min. 171 mm
db min. 171 mm
Da max. 229 mm
Db max. 235 mm
ra max. 2 mm
rb max. 1 mm
Basic dynamic load rating C 182 kN
Basic static load rating C0 204 kN
Fatigue load limit Pu 6.2 kN
Attainable speed for grease lubrication 5000 r/min
Attainable speed for oil-air lubrication 7500 r/min
Ball diameter Dw 25.4 mm
Number of balls z 22
Reference grease quantity Gref 66 cm³
Preload class A GA 1150 N
Static axial stiffness, preload class A 414 N/µm
Preload class B GB 2300 N
Static axial stiffness, preload class B 540 N/µm
Preload class C GC 4600 N
Static axial stiffness, preload class C 717 N/µm
Preload class D GD 9200 N
Static axial stiffness, preload class D 968 N/µm
Calculation factor f 1.16
Calculation factor f1 0.99
Calculation factor f2A 1
Calculation factor f2B 1.02
Calculation factor f2C 1.05
Calculation factor f2D 1.08
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 5.15 kg

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