KOMATSU 21M-970-1731NK BRACKET

BRACKET Kate Komatsu part Machinery Co., Ltd are 40x68x19 Size (mm) a few brands you will find in our inventory. Find KOMATSU 21M-970-1731NK BRACKET to see what's in 40x68x19 stock!

Bearing number:4T-32008X
Size (mm):40x68x19
Bore Diameter (mm):40
Outer Diameter (mm):68
Width (mm):19
d:40 mm
D:68 mm
T:19 mm
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Product Details

Bearing number4T-32008X
Size (mm)40x68x19
Bore Diameter (mm)40
Outer Diameter (mm)68
Width (mm)19
d40 mm
D68 mm
T19 mm
B19 mm
C14,5 mm
ra1 max.1 mm
a15 mm
r min.1 mm
r1 min.1 mm
da min.45,5 mm
Da min60 mm
Da max.62,5 mm
db max.46 mm
Db min.65 mm
ra max.1 mm
Sa4 mm
Sb4,5 mm
Weight0,273 Kg
Basic dynamic load rating (C)50 kN
Basic static load rating (C0)65,5 kN
(Grease) Lubrication Speed5 300 r/min
(Oil) Lubrication Speed7 100 r/min
Calculation factor (e)0,38
Calculation factor (Y0)0,87
d154.5 mm
rs min1 mm
r1s min1 mm
e0.38
Y21.58
Y00.87
Mass0.27 kg
ISO 355 referenceT3CD040
Dynamic load, C50 kN
Rating life coefficient, A21.4
Static load, C065.5 kN
Fatigue limit load, Cu8 kN
Nlim (oil)7,100 rpm
Nlim (grease)5,300 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.44 Hz
Characteristic rolling element frequency, BSF7.77 Hz
Characteristic outer ring frequency, BPF09.21 Hz
Characteristic inner ring frequency, BPFI11.79 Hz
da max46 mm
db min45.5 mm
Da max62.5 mm
Db min65 mm
Ca min4 mm
Cb min4.5 mm
ra max1 mm
r1a max1 mm
CategoryRoller Bearings
Inventory6.0
Minimum Buy QuantityN/A
Product GroupB04334
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