JW8549/JW851 TIMKEN Cylindrical Roller Radial Bearings
Brand Name:TIMKEN
Model Number:JW8549/JW851
Bearing number:71920 ACB/HCP4AL
Size (mm):140x100x20
Bore Diameter (mm):140
Outer Diameter (mm):100
Width (mm):20
d:100 mm
D:140 mm
B:20 mm

Product Details

Bearing number71920 ACB/HCP4AL
Size (mm)140x100x20
Bore Diameter (mm)140
Outer Diameter (mm)100
Width (mm)20
d100 mm
D140 mm
B20 mm
d1114.92 mm
d2113.16 mm
D2128.7 mm
b2.2 mm
C110.9 mm
C24.5 mm
C32.9 mm
r1,2 - min.1.1 mm
r3,4 - min.0.6 mm
a41.4 mm
da - min.106 mm
db - min.106 mm
Da - max.134 mm
Db - max.136.8 mm
ra - max.1 mm
rb - max.0.6 mm
dn116.1 mm
Basic dynamic load rating - C20.8 kN
Basic static load rating - C021.2 kN
Fatigue load limit - Pu0.815 kN
Limiting speed for grease lubrication13000 r/min
Limiting speed for oil lubrication20000 mm/min
Ball - Dw7.938 mm
Ball - z37
Gref9.96 cm3
Calculation factor - e0.68
Calculation factor - Y21.41
Calculation factor - Y00.76
Calculation factor - X20.67
Calculation factor - Y10.92
Preload class A - GA125 N
Preload class B - GB250 N
Preload class C - GC750 N
Calculation factor - f1.11
Calculation factor - f10.99
Calculation factor - f2A1
Calculation factor - f2B1.02
Calculation factor - f2C1.08
Calculation factor - fHC1.01
Preload class A178 N/micron
Preload class B226 N/micron
Preload class C343 N/micron
r1,2 min.1.1 mm
r3,4 min.0.6 mm
da min.106 mm
db min.106 mm
Da max.134 mm
Db max.136.8 mm
ra max.1 mm
rb max.0.6 mm
Basic dynamic load rating C27.6 kN
Basic static load rating C033.5 kN
Fatigue load limit Pu0.815 kN
Attainable speed for grease lubrication13000 r/min
Attainable speed for oil-air lubrication20000 r/min
Ball diameter Dw7.938 mm
Number of balls z37
Reference grease quantity Gref9.96 cm³
Preload class A GA125 N
Static axial stiffness, preload class A178 N/µm
Preload class B GB250 N
Static axial stiffness, preload class B226 N/µm
Preload class C GC750 N
Static axial stiffness, preload class C343 N/µm
Calculation factor f1.11
Calculation factor f10.99
Calculation factor f2A1
Calculation factor f2B1.02
Calculation factor f2C1.08
Calculation factor fHC1.01
Calculation factor e0.68
Calculation factor (single, tandem) Y20.87
Calculation factor (single, tandem) Y00.38
Calculation factor (single, tandem) X20.41
Calculation factor (back-to-back, face-to-face) Y10.92
Calculation factor (back-to-back, face-to-face) Y21.41
Calculation factor (back-to-back, face-to-face) Y00.76
Calculation factor (back-to-back, face-to-face) X20.67
Mass bearing0.8 kg
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Company Profile

FBJ needle roller bearings-SINGAPORELTD.
Phone +65-63695600
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