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Self-Aligning Ball Bearings 1222K NACHI image

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SELF ALIGNING BALL BEARINGS Cross References

Bearing number:7015 ACB/P4AL
Size (mm):115x75x20
Bore Diameter (mm):115
Outer Diameter (mm):75
Width (mm):20
d:75 mm
D:115 mm
B:20 mm
d1:90 mm
d2:88.2 mm
D2:102.8 mm
b:1.5 mm
C1:10.9 mm
C2:4.4 mm
C3:2.9 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:32.3 mm
da - min.:81 mm
db - min.:81 mm
Da - max.:109 mm
Db - max.:111.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:91.1 mm
Basic dynamic load rating - C:19 kN
Basic static load rating - C0:16.6 kN
Fatigue load limit - Pu:0.71 kN
Limiting speed for grease lubrication:14000 r/min
Limiting speed for oil lubrication:22000 mm/min
Ball - Dw:7.938 mm
Ball - z:30
Gref:7.7 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:115 N
Preload class B - GB:230 N
Preload class C - GC:690 N
Calculation factor - f:1.08
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.01
Calculation factor - f2C:1.04
Calculation factor - fHC:1
Preload class A:133 N/micron
Preload class B:169 N/micron
Preload class C:255 N/micron
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:81 mm
db min.:81 mm
Da max.:109 mm
Db max.:111.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:25.1 kN
Basic static load rating C0:27 kN
Fatigue load limit Pu:0.71 kN
Attainable speed for grease lubrication:14000 r/min
Attainable speed for oil-air lubrication:22000 r/min
Ball diameter Dw:7.938 mm
Number of balls z:30
Reference grease quantity Gref:7.7 cm³
Preload class A GA:115 N
Static axial stiffness, preload class A:133 N/µm
Preload class B GB:230 N
Static axial stiffness, preload class B:169 N/µm
Preload class C GC:690 N
Static axial stiffness, preload class C:255 N/µm
Calculation factor f:1.08
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.04
Calculation factor fHC:1
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:0.7 kg

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