105 mm x 145 mm x 40 mm NTN NNU4921 Multi-Row Cylindrical Roller Bearings
| Brand Name |
NTN |
| Model Number |
NNU4921 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NTN NNU4921 bearing Size Chart (mm/inches) |
|---|
| Bearing number | GEZ 300 TXE-2LS |
| Size (mm) | 120.65x76.2x66.675 |
| Bore Diameter (mm) | 120,65 |
| Outer Diameter (mm) | 76,2 |
| Width (mm) | 66,675 |
| d | 76.2 mm |
| D | 120.65 mm |
| B | 66.675 mm |
| C | 57.15 mm |
| α | 6 ° |
| dk | 109.525 mm |
| r1 - min. | 0.6 mm |
| r2 - min. | 1 mm |
| da - min. | 81.8 mm |
| da - max. | 86.8 mm |
| Da - min. | 109.2 mm |
| Da - max. | 113.5 mm |
| ra - max. | 0.6 mm |
| rb - max. | 1 mm |
| Basic dynamic load rating - C | 750 kN |
| Basic static load rating - C0 | 1500 kN |
| Specific factor dinamic load - K | 150 N/mm2 |
| Specific factor static load - K0 | 300 N/mm2 |
| Lubricant | Maintenance free – dry lubrication |
| Design (sliding contact surface combination) | Steel/PTFE fabric |
| Sealing solution | Triple-lip seals |
| α | 6 ° |
| dk | 109.525 mm |
| r1 min. | 0.6 mm |
| r2 min. | 1 mm |
| da min. | 81.8 mm |
| da max. | 86.8 mm |
| Da min. | 109.2 mm |
| Da max. | 113.5 mm |
| ra max. | 0.6 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 750 kN |
| Basic static load rating C0 | 1500 kN |
| Specific dynamic load factor K | 150 N/mm² |
| Specific static load factor K0 | 300 N/mm² |
| Mass plain bearing | 3.1 kg |