NTN
Roulements à aiguilles KR47LLH/3AS
Roulement NTN KR47LLH/3AS, Ø20×47×25.5 mm. Demandez un devis — expédition dans le monde entier.
Type Roulements à aiguilles
Dimensions
Ø 20 × 47 × 25,5 mm
d20Ø alésage (mm)
×
D47Ø extérieur (mm)
×
B25,5Largeur (mm)
Demande de devis
En stock
Spécifications techniques
| Brand | NTN |
| D - External diameter | 47 mm |
| d1 - Stud diameter | 20 mm |
| C - Width of bearing, drawn cup or outer ring | 24 mm |
| F - Under roller diameter | 25 mm |
| B - Bearing/Inner ring width | 25,5 mm |
| B1 - Total stud length | 66 mm |
| B2 - Stud rod length | 40,5 mm |
| G - Stud thread designation | M20X1.5 |
| G1 - Thread length of the stud | 21 mm |
| B3 - Distance between washer face and radial lub hole | 9 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 | 37 mm |
| h - Hexagonal hole | 8 mm |
| R - Track roller radius | 500 mm |
| Maximum tightening torque | 98 N-m |
| Bearing with/without cage | Avec |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,386 kg |
| Cr - Dynamic load rating | 20700000 mN |
| C0r - Static load rating | 33500000 mN |
| Track load capacity spherical outer ring | 4700000 mN |
| N lim - Grease lubrication limit speed | 36000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 373,15 °K |
Produits associés
NTN KR47LLH/3AS