KOYO 15123 Tapered Roller Bearings
| Bearing number: |
4T-2585/2523 |
| Size (mm): |
33.338x69.85x23.812 |
| Bore Diameter (mm): |
33,338 |
| Outer Diameter (mm): |
69,85 |
| Width (mm): |
23,812 |
| d: |
33,338 mm |
| D: |
69,85 mm |
| T: |
23,812 mm |
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Product Details
| Bearing number |
4T-2585/2523 |
| Size (mm) |
33.338x69.85x23.812 |
| Bore Diameter (mm) |
33,338 |
| Outer Diameter (mm) |
69,85 |
| Width (mm) |
23,812 |
| d |
33,338 mm |
| D |
69,85 mm |
| T |
23,812 mm |
| B |
25,357 mm |
| C |
19,05 mm |
| ra1 max. |
1,3 mm |
| a |
9,1 mm |
| Da |
61 mm |
| db |
39 mm |
| ra max. |
3,5 mm |
| da |
45 mm |
| Db |
64 mm |
| Weight |
0,435 Kg |
| Basic dynamic load rating (C) |
69 kN |
| Basic static load rating (C0) |
81,5 kN |
| (Grease) Lubrication Speed |
5 700 r/min |
| (Oil) Lubrication Speed |
7 600 r/min |
| Calculation factor (e) |
0,27 |
| Calculation factor (Y0) |
1,21 |
| d1 |
49 mm |
| e |
0.27 |
| Y2 |
2.19 |
| Y0 |
1.21 |
| Mass |
0.44 kg |
| Dynamic load, C |
69 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
81.5 kN |
| Fatigue limit load, Cu |
9.9 kN |
| Nlim (oil) |
7,600 rpm |
| Nlim (grease) |
5,700 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 |
5.59 Hz |
| Characteristic outer ring frequency, BPF0 |
6.63 Hz |
| Characteristic inner ring frequency, BPFI |
9.37 Hz |
| ra max |
3.5 mm |
| r1a max |
1.3 mm |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |