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 |
| PDF |
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Product Details
| 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 |
| B |
25,4 mm |
| C |
19,05 mm |
| ra1 max. |
0,8 mm |
| a |
7,4 mm |
| Da |
71 mm |
| db |
44,5 mm |
| ra max. |
0,8 mm |
| da |
45 mm |
| Db |
74 mm |
| Weight |
0,574 Kg |
| Basic dynamic load rating (C) |
76,5 kN |
| Basic static load rating (C0) |
97,5 kN |
| (Grease) Lubrication Speed |
4 800 r/min |
| (Oil) Lubrication Speed |
6 400 r/min |
| Calculation factor (e) |
0,32 |
| Calculation factor (Y0) |
1,04 |
| d1 |
59.5 mm |
| e |
0.32 |
| Y2 |
1.88 |
| Y0 |
1.04 |
| Mass |
0.57 kg |
| Dynamic load, C |
76.5 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
97.5 kN |
| Fatigue limit load, Cu |
11.9 kN |
| Nlim (oil) |
6,400 rpm |
| Nlim (grease) |
4,800 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.43 Hz |
| Characteristic rolling element frequency, BSF |
6.7 Hz |
| Characteristic outer ring frequency, BPF0 |
7.71 Hz |
| Characteristic inner ring frequency, BPFI |
10.29 Hz |
| ra max |
0.8 mm |
| r1a max |
0.8 mm |
| Category |
Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Weight / Kilogram |
0.59 |
| Product Group |
B04334 |
Company Profile
| Worktime |
9:00-18:00 |
| Phone |
86-510-85310167 |