NTN
Roulements à aiguilles KR72
Roulement NTN KR72, Ø24×72×30.5 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à aiguilles
Dimensions
Ø 24 × 72 × 30,5 mm
d24Ø alésage (mm)
×
D72Ø extérieur (mm)
×
B30,5Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| D - External diameter | 72 mm |
| d1 - Stud diameter | 24 mm |
| C - Width of bearing, drawn cup or outer ring | 29 mm |
| F - Under roller diameter | 30 mm |
| B - Bearing/Inner ring width | 30,5 mm |
| B1 - Total stud length | 80 mm |
| B2 - Stud rod length | 49,5 mm |
| G - Stud thread designation | M24X1.5 |
| G1 - Thread length of the stud | 25 mm |
| B3 - Distance between washer face and radial lub hole | 11 mm |
| C1 - Distance between roller face and washer face | 0,8 mm |
| n - Axial lubrication hole diameter | 8 mm |
| a - Radial lubrication hole diameter | 4 mm |
| e - Inlet diameter of roller or washer | 44 mm |
| R - Track roller radius | 500 mm |
| Maximum tightening torque | 178 N-m |
| Bearing with/without cage | Avec |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 1,04 kg |
| Cr - Dynamic load rating | 28900000 mN |
| C0r - Static load rating | 55000000 mN |
| Track load capacity spherical outer ring | 8050000 mN |
| N lim - Grease lubrication limit speed | 30000 °/s |
| N lim - Oil lubrication limit speed | 39000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
Produits associés
NTN KR72