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 |
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 |
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