Komatsu PC78MR-6 Hydraulic Excavator Operation and Maintenance Manual

How 38.1x79.375x23.812 Size (mm) do I place an EMERGENCY order for 38.1x79.375x23.812 a Komatsu PC78MR-6 Hydraulic Excavator Operation and Maintenance Manual that I want to pick up at a our store? IRA Hydraulic Pump Technical support and service

Bearing number:4T-26878/26822
Size (mm):38.1x79.375x23.812
Bore Diameter (mm):38,1
Outer Diameter (mm):79,375
Width (mm):23,812
d:38,1 mm
D:79,375 mm
T:23,812 mm
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Product Details

Bearing number4T-26878/26822
Size (mm)38.1x79.375x23.812
Bore Diameter (mm)38,1
Outer Diameter (mm)79,375
Width (mm)23,812
d38,1 mm
D79,375 mm
T23,812 mm
B25,4 mm
C19,05 mm
ra1 max.0,8 mm
a7,4 mm
Da71 mm
db44,5 mm
ra max.0,8 mm
da45 mm
Db74 mm
Weight0,574 Kg
Basic dynamic load rating (C)76,5 kN
Basic static load rating (C0)97,5 kN
(Grease) Lubrication Speed4 800 r/min
(Oil) Lubrication Speed6 400 r/min
Calculation factor (e)0,32
Calculation factor (Y0)1,04
d159.5 mm
e0.32
Y21.88
Y01.04
Mass0.57 kg
Dynamic load, C76.5 kN
Rating life coefficient, A21.4
Static load, C097.5 kN
Fatigue limit load, Cu11.9 kN
Nlim (oil)6,400 rpm
Nlim (grease)4,800 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.43 Hz
Characteristic rolling element frequency, BSF6.7 Hz
Characteristic outer ring frequency, BPF07.71 Hz
Characteristic inner ring frequency, BPFI10.29 Hz
ra max0.8 mm
r1a max0.8 mm
CategoryBearings
Inventory0.0
Minimum Buy QuantityN/A
Weight / Kilogram0.59
Product GroupB04334
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IRA Hydraulic Pump Technical support and service
Worktime 9:00-18:00
Phone 86-510-85310167
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