Bearing NJ205 CRAFT -

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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Komastu Gear Pump Origin Japan

Home>Products>Cylindrical Roller Bearing>Bearing NJ205 CRAFT image

Bearing NJ205 CRAFT image

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The details of Cylindrical Roller Bearing

Bearing number:7222 ACD/HCP4A
Size (mm):200x110x38
Bore Diameter (mm):200
Outer Diameter (mm):110
Width (mm):38
d:110 mm
D:200 mm
B:38 mm
d1:138.7 mm
d2:138.7 mm
D1:171.3 mm
r1,2 - min.:2.1 mm
r3,4 - min.:1.1 mm
a:55.4 mm
da - min.:122 mm
db - min.:122 mm
Da - max.:188 mm
Db - max.:193 mm
ra - max.:2 mm
rb - max.:1 mm
dn:145.9 mm
Basic dynamic load rating - C:168 kN
Basic static load rating - C0:160 kN
Fatigue load limit - Pu:5.4 kN
Limiting speed for grease lubrication:7500 r/min
Limiting speed for oil lubrication:12000 mm/min
Ball - Dw:26.988 mm
Ball - z:16
Gref:54.15 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:1050 N
Preload class B - GB:2100 N
Preload class C - GC:4200 N
Preload class D - GD:8400 N
Calculation factor - f:1.08
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.03
Calculation factor - f2D:1.06
Calculation factor - fHC:1.01
Preload class A:361 N/micron
Preload class B:469 N/micron
Preload class C:618 N/micron
Preload class D:830 N/micron
r1,2 min.:2.1 mm
r3,4 min.:1.1 mm
da min.:122 mm
db min.:122 mm
Da max.:188 mm
Db max.:193 mm
ra max.:2 mm
rb max.:1 mm
Basic dynamic load rating C:168 kN
Basic static load rating C0:160 kN
Fatigue load limit Pu:5.4 kN
Attainable speed for grease lubrication:7500 r/min
Attainable speed for oil-air lubrication:12000 r/min
Ball diameter Dw:26.988 mm
Number of balls z:16
Reference grease quantity Gref:54.15 cm³
Preload class A GA:1050 N
Static axial stiffness, preload class A:361 N/µm
Preload class B GB:2100 N
Static axial stiffness, preload class B:469 N/µm
Preload class C GC:4200 N
Static axial stiffness, preload class C:618 N/µm
Preload class D GD:8400 N
Static axial stiffness, preload class D:830 N/µm
Calculation factor f:1.08
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D: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:3.86 kg

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