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NSK NN3020MB cylindrical roller bearings - Industrial Bearing

  NSK NN3020MB cylindrical roller bearings

NSK NN3020MB cylindrical roller bearings pdf

What are the types of NSK NN3020MB cylindrical roller bearings ? Manufacturing Service . Get 170 Bore Diameter (mm) Your Free, Instant price, design review. 170x110x28 Size (mm)

Size (mm) 170x110x28
Bore Diameter (mm) 170
Outer Diameter (mm) 110
Width (mm) 28
d 110 mm
D 170 mm
B 28 mm
d1 132.38 mm
d2 129.2 mm
D1 147.61 mm
r1,2 – min. 2 mm
r3,4 – min. 1 mm
a 46.9 mm
da – min. 118.8 mm
db – min. 118.8 mm
Da – max. 161.2 mm
Db – max. 164.4 mm
ra – max. 2 mm
rb – max. 1 mm
dn 135.4 mm
Basic dynamic load rating – C 44.9 kN
Basic static load rating – C0 42.5 kN
Fatigue load limit – Pu 1.5 kN
Limiting speed for grease lubrication 11500 r/min
Limiting speed for oil lubrication 17500 mm/min
Ball – Dw 12.7 mm
Ball – z 30
Gref 23 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 400 N
Preload class B – GB 1210 N
Preload class C – GC 2420 N
Calculation factor – f 1.1
Calculation factor – f1 0.99
Calculation factor – f2A 1
Calculation factor – f2B 1.03
Calculation factor – f2C 1.06
Calculation factor – fHC 1.01
Preload class A 263 N/micron
Preload class B 395 N/micron
Preload class C 518 N/micron
r1,2 min. 2 mm
r3,4 min. 1 mm
da min. 118.8 mm
db min. 118.8 mm
Da max. 161.2 mm
Db max. 164.4 mm
ra max. 2 mm
rb max. 1 mm
Basic dynamic load rating C 44.9 kN
Basic static load rating C0 42.5 kN
Fatigue load limit Pu 1.53 kN
Attainable speed for grease lubrication 11500 r/min
Attainable speed for oil-air lubrication 17500 r/min
Ball diameter Dw 12.7 mm
Number of balls z 30
Reference grease quantity Gref 23 cm³
Preload class A GA 400 N
Static axial stiffness, preload class A 263 N/µm
Preload class B GB 1210 N
Static axial stiffness, preload class B 395 N/µm
Preload class C GC 2420 N
Static axial stiffness, preload class C 518 N/µm
Calculation factor f 1.1
Calculation factor f1 0.99
Calculation factor f2A 1
Calculation factor f2B 1.03
Calculation factor f2C 1.06
Calculation factor fHC 1.01
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 1.93 kg

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