LM251649NW/LM251610D Inch Taper Roller Coal Winning Machine Bearing 266.7x352.425x107.95mm

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LM251649NW/LM251610D Inch Taper Roller Coal Winning Machine Bearing 266.7x352.425x107.95mm image

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LM251649NW/LM251610D Inch Taper Roller Coal Winning Machine Bearing 266.7x352.425x107.95mm Details

Bearing number:7224 ACD/HCP4A
Size (mm):120x215x40
Bore Diameter (mm):120
Outer Diameter (mm):215
Width (mm):40
d:120 mm
D:215 mm
B:40 mm
C:40 mm
d1:150.3 mm
d2:150.3 mm
r1 min.:2,1 mm
r2 min.:2,1 mm
r3 min.:1,1 mm
r4 min.:1,1 mm
D1:186.7 mm
D2:– mm
da min.:132 mm
Da max.:203 mm
db min:132 mm
ra max.:2 mm
rb max.:1 mm
dh:158,2 mm
Db max:208 mm
Weight:4,4 Kg
Basic dynamic load rating (C):190 kN
Basic static load rating (C0):183 kN
(Grease) Lubrication Speed:7 000 r/min
(Oil) Lubrication Speed:11 000 r/min
Fatigue load limit (Pu):6
r1,2 min.:2.1 mm
r3,4 min.:1.1 mm
a:59.6 mm
db min.:132 mm
Db max.:208 mm
dn:158.2 mm
Basic dynamic load rating C:190 kN
Basic static load rating C0:183 kN
Fatigue load limit Pu:6 kN
Attainable speed for grease lubrication:7000 r/min
Attainable speed for oil-air lubrication:11000 r/min
Ball diameter Dw:30.162 mm
Number of balls z:15
Reference grease quantity Gref:69.084 cm³
Preload class A GA:1200 N
Static axial stiffness, preload class A:375 N/µm
Preload class B GB:2400 N
Static axial stiffness, preload class B:488 N/µm
Preload class C GC:4800 N
Static axial stiffness, preload class C:643 N/µm
Preload class D GD:9600 N
Static axial stiffness, preload class D:862 N/µm
Calculation factor f:1.08
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.01
Calculation factor f2C:1.03
Calculation factor f2D:1.06
Calculation factor fHC:1.01
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:4.41 kg

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Pioneer Machinery Source: Email[email protected]; Address13 Tuas Road Distributor Service Singapore 638512; Phone(Working Time)0065 82577418; Fax0065 82577552

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LM251649NW/LM251610D Inch Taper Roller Coal Winning Machine Bearing 266.7x352.425x107.95mm Details

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