NTN 68450#BW Roller Bearings - JiNan Hope Hydraulic Co., Itd

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Information techniques NTN 68450#BW Roller Bearings

Bearing number:S71913 ACD/P4A
Size (mm):90x65x13
Bore Diameter (mm):90
Outer Diameter (mm):65
Width (mm):13
d:65 mm
D:90 mm
B:13 mm
d1:72.7 mm
d2:72.7 mm
D2:84.5 mm
r1,2 - min.:1 mm
r3,4 - min.:0.3 mm
a:24.7 mm
da - min.:69.6 mm
da - max.:72.1 mm
db - min.:69.6 mm
db - max.:72.1 mm
Da - max.:85.4 mm
Db - max.:88 mm
ra - max.:1 mm
rb - max.:0.3 mm
Basic dynamic load rating - C:19.5 kN
Basic static load rating - C0:16 kN
Fatigue load limit - Pu:0.68 kN
Limiting speed for grease lubrication:13000 r/min
Ball - Dw:7.938 mm
Ball - z:26
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:120 N
Preload class B - GB:240 N
Preload class C - GC:480 N
Preload class D - GD:960 N
Calculation factor - f:1.2
Calculation factor - f1:0.98
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.08
Calculation factor - f2D:1.14
Calculation factor - fHC:1
Preload class A:136 N/micron
Preload class B:176 N/micron
Preload class C:232 N/micron
Preload class D:311 N/micron
r1,2 min.:1 mm
r3,4 min.:0.3 mm
da min.:69.6 mm
da max.:72.1 mm
db min.:69.6 mm
db max.:72.1 mm
Da max.:85.4 mm
Db max.:88 mm
ra max.:1 mm
rb max.:0.3 mm
Basic dynamic load rating C:19.5 kN
Basic static load rating C0:16 kN
Fatigue load limit Pu:0.68 kN
Attainable speed for grease lubrication:13000 r/min
Ball diameter Dw:7.938 mm
Number of balls z:26
Preload class A GA:120 N
Static axial stiffness, preload class A:136 N/µm
Preload class B GB:240 N
Static axial stiffness, preload class B:176 N/µm
Preload class C GC:480 N
Static axial stiffness, preload class C:232 N/µm
Preload class D GD:960 N
Static axial stiffness, preload class D:311 N/µm
Calculation factor f:1.2
Calculation factor f1:0.98
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.08
Calculation factor f2D:1.14
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:0.21 kg

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JiNan Hope Hydraulic Co., Itd: Email[email protected]; AddressTianqiao, Beiyuan District, Jinan，Shandong; Phone(Working Time)0531-8299 9953; Fax

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