NSK NU312EM Roller Bearings
| Bearing number: |
4T-JH211749/JH211710 |
| Size (mm): |
65x120x39 |
| Bore Diameter (mm): |
65 |
| Outer Diameter (mm): |
120 |
| Width (mm): |
39 |
| d: |
65 mm |
| D: |
120 mm |
| T: |
39 mm |
Product Details
| Bearing number |
4T-JH211749/JH211710 |
| Size (mm) |
65x120x39 |
| Bore Diameter (mm) |
65 |
| Outer Diameter (mm) |
120 |
| Width (mm) |
39 |
| d |
65 mm |
| D |
120 mm |
| T |
39 mm |
| B |
38,5 mm |
| C |
32 mm |
| ra1 max. |
2,5 mm |
| a |
10,9 mm |
| Da |
107 mm |
| db |
74 mm |
| ra max. |
3 mm |
| da |
80 mm |
| Db |
114 mm |
| Weight |
1,9 Kg |
| Basic dynamic load rating (C) |
185 kN |
| Basic static load rating (C0) |
248 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 mm |
| e |
0.34 |
| Y2 |
1.78 |
| Y0 |
0.98 |
| Mass |
1.9 kg |
| Dynamic load, C |
185 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
248 kN |
| Fatigue limit load, Cu |
30.2 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 |
6.34 Hz |
| Characteristic outer ring frequency, BPF0 |
7.22 Hz |
| Characteristic inner ring frequency, BPFI |
9.78 Hz |
| ra max |
3 mm |
| r1a max |
2.5 mm |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |