NTN
Roulements à aiguilles NK21/20R+1R17X21X20
Roulement NTN NK21/20R+1R17X21X20. Demandez un devis — expédition dans le monde entier.
Type Roulements à aiguilles
Dimensions
Ø 17 × 29 × 0 mm
d17Ø alésage (mm)
×
D29Ø extérieur (mm)
×
B0Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| d - Internal diameter | 17 mm |
| D - External diameter | 29 mm |
| C - Width of bearing, drawn cup or outer ring | 20 mm |
| F - Under roller diameter | 21 mm |
| rs - Min fillet radius | 0,3 mm |
| s - Max axial offset | 0,5 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 2,5 mm |
| Inner ring reference | 1R17X21X20 |
| Lubrication hole on inner ring | Non/No |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,053 kg |
| Cr - Dynamic load rating | 17400000 mN |
| C0r - Static load rating | 25400000 mN |
| N lim - Grease lubrication limit speed | 78000 °/s |
| N lim - Oil lubrication limit speed | 114000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 19 mm |
| Da max - Max shoulder diameter OR | 27 mm |
| ras max - Max shaft & housing fillet radius | 0,3 mm |
NTN NK21/20R+1R17X21X20