NN4921 NTN Tapered Roller Bearing
Our highly-skilled and factory-trained service experts have the resources to help NACHI BEARINGS OF AMERICA CORP. you with all your NN4921 NTN Tapered Roller Bearing needs - including routine maintenance, major repairs, warranty service, and 84.5 kN P180° Thrust Spherical Roller Bearing equipment inspections.
| Brand Name: | NTN |
| Model Number: | NN4921 |
| P180°: | 84.5 kN |
| Max. speed for PosiTrac Plus seal: | 1300 r/min |
| J1: | 82.55 mm |
| Stabilizing ring: | SR-26-0 |
| P120°: | 73.8 kN |
| L: | 466.725 mm |
| Cap bolt recommended tightening torque: | 400 N·m |
| PG: | 1/4 NPT |
| PDF |
NN4921 |
Product Details
| P180° | 84.5 kN |
| Max. speed for PosiTrac Plus seal | 1300 r/min |
| J1 | 82.55 mm |
| Stabilizing ring | SR-26-0 |
| P120° | 73.8 kN |
| L | 466.725 mm |
| Cap bolt recommended tightening torque | 400 N·m |
| PG | 1/4 NPT |
| A1 | 133.35 mm |
| S | 4.763 mm |
| R1 | 79.375 mm |
| H2 | 60.325 mm |
| R2 | 36.513 mm |
| ba | 57.944 mm |
| Cap bolt, SAE grade | 5 |
| Eye bolt | 3/8-16 UNC |
| Labyrinth ring | 2 x LOR 116 |
| J min. | 371.475 mm |
| RG | 1/2 NPT |
| Da | 230 mm |
