TIMKEN LM12711 Tapered Roller Bearings

Bearing number:71907 CD/HCP4A
Size (mm):55x35x10
Bore Diameter (mm):55
Outer Diameter (mm):35
Width (mm):10
d:35 mm
D:55 mm
B:10 mm

Product Details

Bearing number71907 CD/HCP4A
Size (mm)55x35x10
Bore Diameter (mm)55
Outer Diameter (mm)35
Width (mm)10
d35 mm
D55 mm
B10 mm
d141.6 mm
d241.6 mm
D148.4 mm
r1,2 - min.0.6 mm
r3,4 - min.0.3 mm
a11.1 mm
da - min.38.2 mm
db - min.38.2 mm
Da - max.51.8 mm
Db - max.53.6 mm
ra - max.0.6 mm
rb - max.0.3 mm
dn43 mm
Basic dynamic load rating - C9.8 kN
Basic static load rating - C06.6 kN
Fatigue load limit - Pu0.275 kN
Limiting speed for grease lubrication32000 r/min
Limiting speed for oil lubrication45000 mm/min
Ball - Dw5.556 mm
Ball - z21
Gref0.93 cm3
Calculation factor - f010.4
Preload class A - GA35 N
Preload class B - GB70 N
Preload class C - GC140 N
Preload class D - GD280 N
Calculation factor - f1
Calculation factor - f2A1
Calculation factor - f2B1.07
Calculation factor - f2C1.12
Calculation factor - f2D1.18
Calculation factor - fHC1.04
Preload class A35 N/micron
Preload class B47 N/micron
Preload class C64 N/micron
Preload class D91 N/micron
r1,2 min.0.6 mm
r3,4 min.0.3 mm
da min.38.2 mm
db min.38.2 mm
Da max.51.8 mm
Db max.53.6 mm
ra max.0.6 mm
rb max.0.3 mm
Basic dynamic load rating C9.75 kN
Basic static load rating C06.55 kN
Fatigue load limit Pu0.275 kN
Attainable speed for grease lubrication32000 r/min
Attainable speed for oil-air lubrication45000 r/min
Ball diameter Dw5.556 mm
Number of balls z21
Reference grease quantity Gref0.93 cm³
Preload class A GA35 N
Static axial stiffness, preload class A35 N/µm
Preload class B GB70 N
Static axial stiffness, preload class B47 N/µm
Preload class C GC140 N
Static axial stiffness, preload class C64 N/µm
Preload class D GD280 N
Static axial stiffness, preload class D91 N/µm
Calculation factor f1.1
Calculation factor f11
Calculation factor f2A1
Calculation factor f2B1.07
Calculation factor f2C1.12
Calculation factor f2D1.18
Calculation factor fHC1.04
Calculation factor f010.4
Mass bearing0.068 kg
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Company Profile

Worktime 9.00--18.00
Phone 0065-31591338
Fax 0065-31591338
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