NTN
Roulements à aiguilles KR40X
Roulement NTN KR40X, Ø18×40×21.5 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à aiguilles
Dimensions
Ø 18 × 40 × 21,5 mm
d18Ø alésage (mm)
×
D40Ø extérieur (mm)
×
B21,5Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| D - External diameter | 40 mm |
| d1 - Stud diameter | 18 mm |
| C - Width of bearing, drawn cup or outer ring | 20 mm |
| F - Under roller diameter | 22 mm |
| B - Bearing/Inner ring width | 21,5 mm |
| B1 - Total stud length | 58 mm |
| B2 - Stud rod length | 36,5 mm |
| G - Stud thread designation | M18X1.5 |
| G1 - Thread length of the stud | 19 mm |
| B3 - Distance between washer face and radial lub hole | 8 mm |
| C1 - Distance between roller face and washer face | 0,8 mm |
| n - Axial lubrication hole diameter | 6 mm |
| a - Radial lubrication hole diameter | 3 mm |
| e - Inlet diameter of roller or washer | 32 mm |
| Maximum tightening torque | 76 N-m |
| Bearing with/without cage | Avec |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,248 kg |
| Cr - Dynamic load rating | 12200000 mN |
| C0r - Static load rating | 17900000 mN |
| Track load capacity cylindrical outer ring | 11900000 mN |
| N lim - Grease lubrication limit speed | 48000 °/s |
| N lim - Oil lubrication limit speed | 66000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
Produits associés
NTN KR40X