Bearing NUP20/670 CX -

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

NACHI PZE Series Hydraulic Piston Pumps Origin Japan

Komastu Gear Pump Origin Japan

Home>Products>Cylindrical Roller Bearings Distributior>Bearing NUP20/670 CX image

Bearing NUP20/670 CX image

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Bearing NUP20/670 CX Product identifiers

Bearing number:71920 CE/HCP4AL
Size (mm):140x100x20
Bore Diameter (mm):140
Outer Diameter (mm):100
Width (mm):20
d:100 mm
D:140 mm
B:20 mm
d1:112.4 mm
d2:109 mm
D1:127.51 mm
b:2.3 mm
C1:10.9 mm
C2:3 mm
C3:3.3 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:26.7 mm
da - min.:106 mm
db - min.:103.2 mm
Da - max.:134 mm
Db - max.:136.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:115.4 mm
Basic dynamic load rating - C:39 kN
Basic static load rating - C0:31.5 kN
Fatigue load limit - Pu:1.2 kN
Limiting speed for grease lubrication:15500 r/min
Limiting speed for oil lubrication:24000 mm/min
Ball - Dw:12.7 mm
Ball - z:24
Gref:10 cm3
Calculation factor - f0:8.5
Preload class A - GA:208 N
Preload class B - GB:624 N
Preload class C - GC:1250 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.05
Calculation factor - f2C:1.09
Calculation factor - fHC:1.01
Preload class A:81 N/micron
Preload class B:129 N/micron
Preload class C:178 N/micron
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:106 mm
db min.:103.2 mm
Da max.:134 mm
Db max.:136.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:39 kN
Basic static load rating C0:31.5 kN
Fatigue load limit Pu:1.2 kN
Attainable speed for grease lubrication:15500 r/min
Attainable speed for oil-air lubrication:24000 r/min
Ball diameter Dw:12.7 mm
Number of balls z:24
Reference grease quantity Gref:10 cm³
Preload class A GA:208 N
Static axial stiffness, preload class A:81 N/µm
Preload class B GB:624 N
Static axial stiffness, preload class B:129 N/µm
Preload class C GC:1250 N
Static axial stiffness, preload class C:178 N/µm
Calculation factor f:1.18
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.05
Calculation factor f2C:1.09
Calculation factor fHC:1.01
Calculation factor f0:8.5
Mass bearing:0.65 kg

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