LBB 8 AJ Linear Ball Bearing 12.7x22.225x31.75mm

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LBB 8 AJ Linear Ball Bearing 12.7x22.225x31.75mm image

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Information techniques LBB 8 AJ Linear Ball Bearing 12.7x22.225x31.75mm

Bearing number:S71909 ACB/HCP4A
Size (mm):68x45x12
Bore Diameter (mm):68
Outer Diameter (mm):45
Width (mm):12
d:45 mm
D:68 mm
B:12 mm
d1:53.45 mm
d2:52.4 mm
D2:61.8 mm
r1,2 - min.:0.6 mm
r3,4 - min.:0.3 mm
a:22.1 mm
da - min.:48.2 mm
da - max.:52.9 mm
db - min.:48.2 mm
db - max.:51.8 mm
Da - max.:64.8 mm
Db - max.:66 mm
ra - max.:0.6 mm
rb - max.:0.3 mm
Basic dynamic load rating - C:7 kN
Basic static load rating - C0:5.4 kN
Fatigue load limit - Pu:0.232 kN
Limiting speed for grease lubrication:30000 r/min
Ball - Dw:4.762 mm
Ball - z:27
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:41 N
Preload class B - GB:82 N
Preload class C - GC:245 N
Calculation factor - f:1.08
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.02
Calculation factor - f2C:1.08
Calculation factor - fHC:1.01
Preload class A:82 N/micron
Preload class B:107 N/micron
Preload class C:159 N/micron
r1,2 min.:0.6 mm
r3,4 min.:0.3 mm
da min.:48.2 mm
da max.:52.9 mm
db min.:48.2 mm
db max.:51.8 mm
Da max.:64.8 mm
Db max.:66 mm
ra max.:0.6 mm
rb max.:0.3 mm
Basic dynamic load rating C:9.56 kN
Basic static load rating C0:9 kN
Fatigue load limit Pu:0.232 kN
Attainable speed for grease lubrication:30000 r/min
Ball diameter Dw:4.762 mm
Number of balls z:27
Preload class A GA:41 N
Static axial stiffness, preload class A:82 N/µm
Preload class B GB:82 N
Static axial stiffness, preload class B:107 N/µm
Preload class C GC:245 N
Static axial stiffness, preload class C:159 N/µm
Calculation factor f:1.08
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.02
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:0.13 kg

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Information techniques LBB 8 AJ Linear Ball Bearing 12.7x22.225x31.75mm

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