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TIMKEN 2MM9100WI SUM Characteristics

d1:70.8 mm
d2:70.8 mm
D1:84.2 mm
b:2.6 mm
C1:9 mm
C2:4.3 mm
C3:3.8 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:27.2 mm
da - min.:66 mm
db - min.:66 mm
Da - max.:89 mm
Db - max.:91.8 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:73.1 mm
Basic dynamic load rating - C:39 kN
Basic static load rating - C0:33.5 kN
Fatigue load limit - Pu:1.4 kN
Limiting speed for grease lubrication:13000 r/min
Limiting speed for oil lubrication:20000 mm/min
Ball - Dw:11.112 mm
Ball - z:19
Gref:5.4 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:240 N
Preload class B - GB:480 N
Preload class C - GC:960 N
Preload class D - GD:1920 N
Calculation factor - f:1.12
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
Preload class A:168 N/micron
Preload class B:219 N/micron
Preload class C:291 N/micron
Preload class D:393 N/micron
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:66 mm
db min.:66 mm
Da max.:89 mm
Db max.:91.8 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:39 kN
Basic static load rating C0:33.5 kN
Fatigue load limit Pu:1.4 kN
Attainable speed for grease lubrication:13000 r/min
Attainable speed for oil-air lubrication:20000 r/min
Ball diameter Dw:11.112 mm
Number of balls z:19
Reference grease quantity Gref:5.4 cm³
Preload class A GA:240 N
Static axial stiffness, preload class A:168 N/µm
Preload class B GB:480 N
Static axial stiffness, preload class B:219 N/µm
Preload class C GC:960 N
Static axial stiffness, preload class C:291 N/µm
Preload class D GD:1920 N
Static axial stiffness, preload class D:393 N/µm
Calculation factor f:1.12
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
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:0.4 kg

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