Komatsu D40A,P-3, D41A,E,P-3, D41A-3A Service Manual

We Provide Extensive Komatsu D40A,P-3, D41A,E,P-3, D41A-3A Service Manual 21.986x45.974x15.494 Selection And IRA Hydraulic Pump Technical support and service Competitive Wholesale Pricing.

Bearing number:4T-LM12749/LM12711
Size (mm):21.986x45.974x15.494
Bore Diameter (mm):21,986
Outer Diameter (mm):45,974
Width (mm):15,494
d:21,986 mm
D:45,974 mm
T:15,494 mm
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Product Details

Bearing number4T-LM12749/LM12711
Size (mm)21.986x45.974x15.494
Bore Diameter (mm)21,986
Outer Diameter (mm)45,974
Width (mm)15,494
d21,986 mm
D45,974 mm
T15,494 mm
B16,637 mm
C12,065 mm
ra1 max.1,3 mm
a5,4 mm
Da40 mm
db26 mm
ra max.1,3 mm
da27,5 mm
Db42,5 mm
Weight0,123 Kg
Basic dynamic load rating (C)29,6 kN
Basic static load rating (C0)34 kN
(Grease) Lubrication Speed8 400 r/min
(Oil) Lubrication Speed11 000 r/min
Calculation factor (e)0,31
Calculation factor (Y0)1,08
d134 mm
e0.31
Y21.96
Y01.08
Mass0.12 kg
Dynamic load, C29.6 kN
Rating life coefficient, A21.4
Static load, C034 kN
Fatigue limit load, Cu4.15 kN
Nlim (oil)11,000 rpm
Nlim (grease)8,400 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.42 Hz
Characteristic rolling element frequency, BSF6.18 Hz
Characteristic outer ring frequency, BPF07.18 Hz
Characteristic inner ring frequency, BPFI9.82 Hz
ra max1.3 mm
r1a max1.3 mm
CategoryRoller Bearings
Inventory0.0
Minimum Buy QuantityN/A
Product GroupB04336
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Company Profile

IRA Hydraulic Pump Technical support and service
Worktime 9:00-18:00
Phone 86-510-85310167
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