Needle roller bearing, machined-rings, with inner ring, double-side ribs, lubrication hole
3D file
Technical datasheet
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 38 mm |
| D - External diameter | 53 mm |
| C - Width of bearing, drawn cup or outer ring | 20 mm |
| F - Under roller diameter | 43 mm |
| rs - Min fillet radius | 0,3 mm |
| s - Max axial offset | 0,5 mm |
| Lubrication hole on outer ring | Yes |
| k - Hole diameter | 3 mm |
| Inner ring reference | 1R38X43X20 |
| Lubrication hole on inner ring | No |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,134 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| Cr - Dynamic load rating | 27,5 kN |
| C0r - Static load rating | 51 kN |
| Nlim - Grease lubrication limit speed | 6500 tr/min |
| Nlim - Oil lubrication limit speed | 9500 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 40 mm |
| Da max - Max shoulder diameter OR | 51 mm |
| ras max - Max shaft & housing fillet radius | 0,3 mm |