RB90070UU High Precision Cross Roller Ring Bearing MODELS

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RB90070UU High Precision Cross Roller Ring Bearing

RB90070UU High Precision Cross Roller Ring Bearing SPECIFICATIONS

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RB90070UU High Precision Cross Roller Ring Bearing Exchange Guide

d:80 mm
D:125 mm
B:22 mm
d1:93.9 mm
d2:93.9 mm
D1:111.1 mm
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
a:35 mm
da min.:86 mm
db min.:86 mm
Da max.:119 mm
Db max.:121 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:62.4 kN
Basic static load rating C0:58.5 kN
Fatigue load limit Pu:2.45 kN
Attainable speed for grease lubrication:12000 r/min
Ball diameter Dw:14.288 mm
Number of balls z:20
Reference grease quantity Gref:11.1 cm³
Preload class A GA:390 N
Static axial stiffness, preload class A:247 N/µm
Preload class B GB:780 N
Static axial stiffness, preload class B:323 N/µm
Preload class C GC:1560 N
Static axial stiffness, preload class C:429 N/µm
Preload class D GD:3120 N
Static axial stiffness, preload class D:581 N/µm
Calculation factor f:1.13
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.02
Calculation factor f2C:1.05
Calculation factor f2D:1.08
Calculation factor fHC:1.02
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Mass bearing:0.71 kg

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