Excavator parts for PC360-8 pulley 6745-61-3210 competitive price and high quality

Excavator parts for PC360-8 pulley 6745-61-3210 competitive price and high quality Needs Analysis 420x300x56 Size (mm) , komatsu PC360-8 parts Kate Komatsu part Machinery Co., Ltd Manufacturing Service 420x300x56 . Get Your Free.

Bearing number:71960 ACDMA/HCP4A
Size (mm):420x300x56
Bore Diameter (mm):420
Outer Diameter (mm):300
Width (mm):56
d:300 mm
D:420 mm
B:56 mm

Product Details

Bearing number71960 ACDMA/HCP4A
Size (mm)420x300x56
Bore Diameter (mm)420
Outer Diameter (mm)300
Width (mm)56
d300 mm
D420 mm
B56 mm
d1337 mm
d2337 mm
D1383 mm
r1,2 - min.3 mm
r3,4 - min.1.1 mm
a112.3 mm
da - min.313 mm
db - min.313 mm
Da - max.405 mm
Db - max.414 mm
ra - max.2.5 mm
rb - max.1 mm
dn347 mm
Basic dynamic load rating - C351 kN
Basic static load rating - C0560 kN
Fatigue load limit - Pu12.7 kN
Limiting speed for grease lubrication2600 r/min
Limiting speed for oil lubrication4000 mm/min
Ball - Dw38.1 mm
Ball - z26
Gref265 cm3
Calculation factor - e0.68
Calculation factor - Y21.41
Calculation factor - Y00.76
Calculation factor - X20.67
Calculation factor - Y10.92
Preload class A - GA2200 N
Preload class B - GB4400 N
Preload class C - GC8800 N
Preload class D - GD17600 N
Calculation factor - f1.22
Calculation factor - f10.98
Calculation factor - f2A1
Calculation factor - f2B1.07
Calculation factor - f2C1.12
Calculation factor - f2D1.17
Calculation factor - fHC1.04
Preload class A736 N/micron
Preload class B961 N/micron
Preload class C1272 N/micron
Preload class D1718 N/micron
r1,2 min.3 mm
r3,4 min.1.1 mm
da min.313 mm
db min.313 mm
Da max.405 mm
Db max.414 mm
ra max.2.5 mm
rb max.1 mm
Basic dynamic load rating C351 kN
Basic static load rating C0560 kN
Fatigue load limit Pu12.7 kN
Attainable speed for grease lubrication2600 r/min
Attainable speed for oil-air lubrication4000 r/min
Ball diameter Dw38.1 mm
Number of balls z26
Reference grease quantity Gref265 cm³
Preload class A GA2200 N
Static axial stiffness, preload class A736 N/µm
Preload class B GB4400 N
Static axial stiffness, preload class B961 N/µm
Preload class C GC8800 N
Static axial stiffness, preload class C1272 N/µm
Preload class D GD17600 N
Static axial stiffness, preload class D1718 N/µm
Calculation factor f1.22
Calculation factor f10.98
Calculation factor f2A1
Calculation factor f2B1.07
Calculation factor f2C1.12
Calculation factor f2D1.17
Calculation factor fHC1.04
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 bearing19.4 kg
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Company Profile

Kate Komatsu part Machinery Co., Ltd
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