Genuine Japan excavator hydraulic main pump PC300-7 708-2g-11151y3
Genuine Japan excavator hydraulic main pump PC300-7 708-2g-11151y3 Deal is your source for OEM 22x7x7 komatsu PC360-7 Parts and accessories. We sell Genuinekomatsu PC360-7 Parts at discount prices. Kate Komatsu part Machinery Co., Ltd
Bearing number: |
727 CD/HCP4A |
Size (mm): |
22x7x7 |
Bore Diameter (mm): |
22 |
Outer Diameter (mm): |
7 |
Width (mm): |
7 |
d: |
7 mm |
D: |
22 mm |
B: |
7 mm |
Product Details
Bearing number |
727 CD/HCP4A |
Size (mm) |
22x7x7 |
Bore Diameter (mm) |
22 |
Outer Diameter (mm) |
7 |
Width (mm) |
7 |
d |
7 mm |
D |
22 mm |
B |
7 mm |
d1 |
12.6 mm |
d2 |
12.6 mm |
D1 |
17.4 mm |
r1,2 - min. |
0.3 mm |
r3,4 - min. |
0.2 mm |
a |
5.5 mm |
da - min. |
9.4 mm |
db - min. |
9.4 mm |
Da - max. |
19.6 mm |
Db - max. |
20.2 mm |
ra - max. |
0.3 mm |
rb - max. |
0.2 mm |
dn |
13.6 mm |
Basic dynamic load rating - C |
3 kN |
Basic static load rating - C0 |
1.2 kN |
Fatigue load limit - Pu |
0.049 kN |
Limiting speed for grease lubrication |
95000 r/min |
Limiting speed for oil lubrication |
150000 mm/min |
Ball - Dw |
3.969 mm |
Ball - z |
9 |
Gref |
0.162 cm3 |
Calculation factor - f0 |
8.4 |
Preload class A - GA |
12 N |
Preload class B - GB |
24 N |
Preload class C - GC |
48 N |
Preload class D - GD |
96 N |
Calculation factor - f |
1 |
Calculation factor - f2A |
1 |
Calculation factor - f2B |
1.01 |
Calculation factor - f2C |
1.03 |
Calculation factor - f2D |
1.06 |
Calculation factor - fHC |
1.01 |
Preload class A |
13 N/micron |
Preload class B |
17 N/micron |
Preload class C |
23 N/micron |
Preload class D |
33 N/micron |
r1,2 min. |
0.3 mm |
r3,4 min. |
0.2 mm |
da min. |
9.4 mm |
db min. |
9.4 mm |
Da max. |
19.6 mm |
Db max. |
20.2 mm |
ra max. |
0.3 mm |
rb max. |
0.2 mm |
Basic dynamic load rating C |
2.96 kN |
Basic static load rating C0 |
1.16 kN |
Fatigue load limit Pu |
0.049 kN |
Attainable speed for grease lubrication |
95000 r/min |
Attainable speed for oil-air lubrication |
150000 r/min |
Ball diameter Dw |
3.969 mm |
Number of balls z |
9 |
Reference grease quantity Gref |
0.162 cm³ |
Preload class A GA |
12 N |
Static axial stiffness, preload class A |
13 N/µm |
Preload class B GB |
24 N |
Static axial stiffness, preload class B |
17 N/µm |
Preload class C GC |
48 N |
Static axial stiffness, preload class C |
23 N/µm |
Preload class D GD |
96 N |
Static axial stiffness, preload class D |
33 N/µm |
Calculation factor f |
1.02 |
Calculation factor f1 |
1 |
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 f0 |
8.4 |
Mass bearing |
0.012 kg |