Komatsu D40A,P-3, D41A,E,P-3, D41A-3A Service Manual
We Provide Extensive Komatsu D40A,P-3, D41A,E,P-3, D41A-3A Service Manual 21.986x45.974x15.494 Selection And IRA Hydraulic Pump Technical support and service Competitive Wholesale Pricing.
| Bearing number: |
4T-LM12749/LM12711 |
| Size (mm): |
21.986x45.974x15.494 |
| Bore Diameter (mm): |
21,986 |
| Outer Diameter (mm): |
45,974 |
| Width (mm): |
15,494 |
| d: |
21,986 mm |
| D: |
45,974 mm |
| T: |
15,494 mm |
| PDF |
|
Product Details
| Bearing number |
4T-LM12749/LM12711 |
| Size (mm) |
21.986x45.974x15.494 |
| Bore Diameter (mm) |
21,986 |
| Outer Diameter (mm) |
45,974 |
| Width (mm) |
15,494 |
| d |
21,986 mm |
| D |
45,974 mm |
| T |
15,494 mm |
| B |
16,637 mm |
| C |
12,065 mm |
| ra1 max. |
1,3 mm |
| a |
5,4 mm |
| Da |
40 mm |
| db |
26 mm |
| ra max. |
1,3 mm |
| da |
27,5 mm |
| Db |
42,5 mm |
| Weight |
0,123 Kg |
| Basic dynamic load rating (C) |
29,6 kN |
| Basic static load rating (C0) |
34 kN |
| (Grease) Lubrication Speed |
8 400 r/min |
| (Oil) Lubrication Speed |
11 000 r/min |
| Calculation factor (e) |
0,31 |
| Calculation factor (Y0) |
1,08 |
| d1 |
34 mm |
| e |
0.31 |
| Y2 |
1.96 |
| Y0 |
1.08 |
| Mass |
0.12 kg |
| Dynamic load, C |
29.6 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
34 kN |
| Fatigue limit load, Cu |
4.15 kN |
| Nlim (oil) |
11,000 rpm |
| Nlim (grease) |
8,400 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.42 Hz |
| Characteristic rolling element frequency, BSF |
6.18 Hz |
| Characteristic outer ring frequency, BPF0 |
7.18 Hz |
| Characteristic inner ring frequency, BPFI |
9.82 Hz |
| ra max |
1.3 mm |
| r1a max |
1.3 mm |
| Category |
Roller Bearings |
| Inventory |
0.0 |
| Minimum Buy Quantity |
N/A |
| Product Group |
B04336 |
Company Profile
| Worktime |
9:00-18:00 |
| Phone |
86-510-85310167 |