Bearing NU2307 NTN -

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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 NU2307 NTN image

Bearing NU2307 NTN image

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Bearing NU2307 NTN Product identifiers

Bearing number:71917 ACE/HCP4AL
Size (mm):120x85x18
Bore Diameter (mm):120
Outer Diameter (mm):85
Width (mm):18
d:85 mm
D:120 mm
B:18 mm
d1:96 mm
d2:92.9 mm
D1:109.22 mm
b:2.6 mm
C1:9.3 mm
C2:3 mm
C3:3 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:34.1 mm
da - min.:91 mm
db - min.:88.2 mm
Da - max.:114 mm
Db - max.:116.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:98.6 mm
Basic dynamic load rating - C:28.1 kN
Basic static load rating - C0:22 kN
Fatigue load limit - Pu:0.9 kN
Limiting speed for grease lubrication:16500 r/min
Limiting speed for oil lubrication:25000 mm/min
Ball - Dw:11.112 mm
Ball - z:23
Gref:7 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:255 N
Preload class B - GB:765 N
Preload class C - GC:1529 N
Calculation factor - f:1.16
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.08
Calculation factor - fHC:1.01
Preload class A:175 N/micron
Preload class B:263 N/micron
Preload class C:346 N/micron
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:91 mm
db min.:88.2 mm
Da max.:114 mm
Db max.:116.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:28.1 kN
Basic static load rating C0:22 kN
Fatigue load limit Pu:0.9 kN
Attainable speed for grease lubrication:16500 r/min
Attainable speed for oil-air lubrication:25000 r/min
Ball diameter Dw:11.112 mm
Number of balls z:23
Reference grease quantity Gref:7 cm³
Preload class A GA:255 N
Static axial stiffness, preload class A:175 N/µm
Preload class B GB:765 N
Static axial stiffness, preload class B:263 N/µm
Preload class C GC:1529 N
Static axial stiffness, preload class C:346 N/µm
Calculation factor f:1.16
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
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:0.42 kg

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