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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| D - External diameter | 52 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 | Sans |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,465 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| Cr - Dynamic load rating | 28,8 kN |
| C0r - Static load rating | 61 kN |
| Track load capacity spherical outer ring | 5,55 kN |
| N lim - Grease lubrication limit speed | 4000 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |