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 |