Description
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 |