Mô tả
Dimensions
| Ø d1 | 20,0 mm |
| Outer diameter d2 | 24,0 mm |
| Bearing length b1 | 25,00 mm |
| Length of bevel f1 | 0,8 mm |
| Bevel angle [°] | 30,00 ° |
| Length of bevel f4 | 0,5 mm |
| Bevel angle f4 [°] | 30,00 ° |
Production and installation tolerances
|
Testing methods
|
+0.065 +0.195 mm, D11 |
| b1-Tolerance | h13 |
| Housing bore tolerance | 0 +0.021 mm, H7 |
| Tolerance shaft | 0 -0.052 mm. h9 |
| d1 after press-fit (max.) | 20,195 mm |
| d1 after press-fit (min.) | 20,065 mm |
| Housing bore (max.) | 24,021 mm |
| Housing bore (min.) | 25,000 mm |
| Shaft size (max.) | 20,000 mm |
| Shaft size (min.) | 19,948 mm |
General properties
| Density | 1.40 g/cm3 |
| Color | black |
| Max. moisture absorption (at 23 °C/73 °F, 50% r.h.) | 0.3 Wt.-%, test method DIN 53495 |
| Max. water absorption | 0.3 Wt.-% |
Mechanical properties
| Modulus of elasticity | 2,200 MPa, test method DIN 53457 |
| Flexural strength (at 20 °C/68 °F) | 65 MPa, test method DIN 53452 |
| Shore-D Hardness | 75, test method DIN 53505 |
| Max. recommended surface pressure (at +20 °C/68 °F) | 50,0 MPa |
Physical and thermal properties
| Max. long-term application temperature | 100 °C |
| Max. short-term application temperature | 160 °C |
| Lower application temperature | -40 °C |
Electrical properties
| Specific volume resistance | > 1011 Ωcm, test method DIN IEC 93 |
| Surface resistance | > 1011 Ω, test method DIN 53482 |
