300 mm x 420 mm x 56 mm Db max. NTN NKIA5912A Complex Bearings

300 mm x 420 mm x 56 mm Db max. NTN NKIA5912A Complex Bearings

300 mm x 420 mm x 56 mm Db max. NTN NKIA5912A Complex Bearings Engineering Calculator 71960 CDMA/P4A Bearing number SKF Brand , Complex Bearings Manufacturing Service . Get Your Free. 420x300x56 Size (mm)

Bearing number 71960 CDMA/P4A
Size (mm) 420x300x56
Brand SKF
Bore Diameter (mm) 420
Outer Diameter (mm) 300
Width (mm) 56
d 300 mm
D 420 mm
B 56 mm
d1 337 mm
d2 337 mm
D1 383 mm
r1,2 – min. 3 mm
r3,4 – min. 1.1 mm
a 76.4 mm
da – min. 313 mm
db – min. 313 mm
Da – max. 405 mm
Db – max. 414 mm
ra – max. 2.5 mm
rb – max. 1 mm
dn 347 mm
Basic dynamic load rating – C 371 kN
Basic static load rating – C0 600 kN
Fatigue load limit – Pu 13.4 kN
Limiting speed for grease lubrication 3000 r/min
Limiting speed for oil lubrication 4500 mm/min
Ball – Dw 38.1 mm
Ball – z 26
Gref 265 cm3
Calculation factor – f0 16.3
Preload class A – GA 1400 N
Preload class B – GB 2800 N
Preload class C – GC 5600 N
Preload class D – GD 11200 N
Calculation factor – f 1
Calculation factor – f2A 1
Calculation factor – f2B 1.04
Calculation factor – f2C 1.09
Calculation factor – f2D 1.15
Calculation factor – fHC 1
Preload class A 272 N/micron
Preload class B 369 N/micron
Preload class C 514 N/micron
Preload class D 741 N/micron
r1,2 min. 3 mm
r3,4 min. 1.1 mm
da min. 313 mm
db min. 313 mm
Da max. 405 mm
Db max. 414 mm
ra max. 2.5 mm
rb max. 1 mm
Basic dynamic load rating C 371 kN
Basic static load rating C0 600 kN
Fatigue load limit Pu 13.4 kN
Attainable speed for grease lubrication 3000 r/min
Attainable speed for oil-air lubrication 4500 r/min
Ball diameter Dw 38.1 mm
Number of balls z 26
Reference grease quantity Gref 265 cm³
Preload class A GA 1400 N
Static axial stiffness, preload class A 272 N/µm
Preload class B GB 2800 N
Static axial stiffness, preload class B 369 N/µm
Preload class C GC 5600 N
Static axial stiffness, preload class C 514 N/µm
Preload class D GD 11200 N
Static axial stiffness, preload class D 741 N/µm
Calculation factor f 1.22
Calculation factor f1 1
Calculation factor f2A 1
Calculation factor f2B 1.04
Calculation factor f2C 1.09
Calculation factor f2D 1.15
Calculation factor fHC 1
Calculation factor f0 16.3
Mass bearing 23 kg

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