M275349D/M275310 Oil-field Drilling Rig Sheave Bearing
What is the best place to buy -40 °C Min operating temperature, Tmin M275349D/M275310 Oil-field Drilling Rig Sheave Bearing online? Taper Roller Bearing Manufacturing Service . BEARING Driveshaft do Brasil
| Brand Name: |
NTN |
| Model Number: |
K81211 |
| Min operating temperature, Tmin: |
-40 °C |
| d2: |
54.9 mm |
| da min: |
52 mm |
| B: |
23 mm |
| Number of lubrication holes: |
3 |
| Da max: |
78 mm |
| Nref: |
7,400 rpm |
| Characteristic rolling element frequency, BSF: |
6.07 Hz |
| PDF |
K81211 |
Product Details
| Min operating temperature, Tmin |
-40 °C |
| d2 |
54.9 mm |
| da min |
52 mm |
| B |
23 mm |
| Number of lubrication holes |
3 |
| Da max |
78 mm |
| Nref |
7,400 rpm |
| Characteristic rolling element frequency, BSF |
6.07 Hz |
| Y0 |
2.58 |
| e |
0.26 |