Koyo #3982 Tapered Roller Bearing Cone & Koyo #3920 Cup, New
| Bearing number: |
4T-HM212046/HM212011 |
| Size (mm): |
63.5x122.238x38.1 |
| Bore Diameter (mm): |
63,5 |
| Outer Diameter (mm): |
122,238 |
| Width (mm): |
38,1 |
| d: |
63,5 mm |
| D: |
122,238 mm |
| T: |
38,1 mm |
Product Details
| Bearing number |
4T-HM212046/HM212011 |
| Size (mm) |
63.5x122.238x38.1 |
| Bore Diameter (mm) |
63,5 |
| Outer Diameter (mm) |
122,238 |
| Width (mm) |
38,1 |
| d |
63,5 mm |
| D |
122,238 mm |
| T |
38,1 mm |
| B |
38,354 mm |
| C |
29,718 mm |
| ra1 max. |
3,3 mm |
| a |
11,1 mm |
| Da |
108 mm |
| db |
73 mm |
| ra max. |
3,5 mm |
| da |
80 mm |
| Db |
116 mm |
| Weight |
1,95 Kg |
| Basic dynamic load rating (C) |
187 kN |
| Basic static load rating (C0) |
244 kN |
| (Grease) Lubrication Speed |
3 100 r/min |
| (Oil) Lubrication Speed |
4 100 r/min |
| Calculation factor (e) |
0,34 |
| Calculation factor (Y0) |
0,98 |
| d1 |
91.5 mm |
| e |
0.34 |
| Y2 |
1.78 |
| Y0 |
0.98 |
| Mass |
1.95 kg |
| Dynamic load, C |
187 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
244 kN |
| Fatigue limit load, Cu |
29.8 kN |
| Nlim (oil) |
4,100 rpm |
| Nlim (grease) |
3,100 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 |
6.06 Hz |
| Characteristic outer ring frequency, BPF0 |
7.17 Hz |
| Characteristic inner ring frequency, BPFI |
9.83 Hz |
| ra max |
3.5 mm |
| r1a max |
3.3 mm |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |