300RV4221 NSK ROLL NECK BEARINGS for ROLLING MILL
With over 10170 31 mm a full-service stores, our 300RV4221 NSK ROLL NECK BEARINGS for ROLLING MILL inventory is extensive and our parts are priced right. within 24 hours. This 129 N/µm Static axial stiffness, preload class B helps you maximize your productivity by saving time Precision accessories MFG.CORP and your hard-earned 120 mm d dollars.
| Brand Name: | NSK |
| Model Number: | 300RV4221 |
| a: | 31 mm |
| Static axial stiffness, preload class B: | 129 N/µm |
| d: | 120 mm |
| Calculation factor f2B: | 1.04 |
| Basic static load rating C0: | 40.5 kN |
| Preload class B GB: | 760 N |
| Calculation factor fHC: | 1 |
| r1,2 min.: | 1.1 mm |
Product Details
| a | 31 mm |
| Static axial stiffness, preload class B | 129 N/µm |
| d | 120 mm |
| Calculation factor f2B | 1.04 |
| Basic static load rating C0 | 40.5 kN |
| Preload class B GB | 760 N |
| Calculation factor fHC | 1 |
| r1,2 min. | 1.1 mm |
| Number of balls z | 24 |
| da min. | 126 mm |
| Attainable speed for oil-air lubrication | 16000 r/min |
| Static axial stiffness, preload class A | 82 N/µm |
| Db max. | 161.8 mm |
| Da max. | 159 mm |
| d1 | 134 mm |
| ra max. | 1 mm |
| B | 22 mm |
| Calculation factor f2C | 1.08 |
| Calculation factor f2A | 1 |
| d2 | 130.2 mm |
