Mô tả
Dimensions
| Ø d1 | 18,0 mm |
| Outer diameter d2 | 20,0 mm |
| Flange diameter d3 | 26,0 mm |
| Bearing length b1 | 4,00 mm |
| Flange thickness b2 | 1,00 mm |
| Length of bevel f1 | 0,8 mm |
| Bevel angle [°] | 30,00 ° |
Production and installation tolerances
| d1-Tolerance bearing | +0.016 +0.086 mm, F10 |
| d3-Tolerance | d13 |
| b1-Tolerance | h13 |
| b2-Tolerance | h13 |
| Housing bore tolerance | 0 +0.021 mm, H7 |
| Tolerance shaft | 0 -0.043 mm. h9 |
| d1 after press-fit (max.) | 18,086 mm |
| d1 after press-fit (min.) | 18,016 mm |
| Housing bore (max.) | 20,021 mm |
| Housing bore (min.) | 20,000 mm |
| Shaft size (max.) | 18,000 mm |
| Shaft size (min.) | 17,957 mm |
General properties
| Density | 1.40 g/cm3 |
| Color | brown |
| Max. moisture absorption (at 23 °C/73 °F, 50% r.h.) | 0.3 Wt.-%, test method DIN 53495 |
| Max. water absorption | 1.1 Wt.-% |
| Coefficient of sliding friction, dynamic, against steel | 0.06 – 0.14 μ |
| pv value, max. (dry) | 0.84 MPa ⋅ m/s |
| Radioactive radiation max. | 1 ⋅ 105 Gy |
Mechanical properties
| Modulus of elasticity | 2,400 MPa, test method DIN 53457 |
| Flexural strength (at 20 °C/68 °F) | 95 MPa, test method DIN 53452 |
| Pressure load | 65 MPa |
| Shore-D Hardness | 81, test method DIN 53505 |
| Max. recommended surface pressure (at +20 °C/68 °F) | 150,0 MPa |
| Maximum running speed, rotating, continous | 1,5 m/s |
| Maximum running speed, rotating, short-term | 3,5 m/s |
| Maximum running speed, oscillating, continous | 1,1 m/s |
| Maximum running speed, oscillating, short-term | 2,5 m/s |
| Maximum running speed, linear, continous | 5,0 m/s |
| Maximum running speed, linear, short-term | 6,0 m/s |
Physical and thermal properties
| Max. long-term application temperature | 250 °C |
| Max. short-term application temperature | 310 °C |
| Lower application temperature | -100 °C |
| Heat conductivity | 0.62 W/(m ⋅ K), test method ASTM C 177 |
| Thermal expansion coefficient (at 23°C/73°F) | 4 K-1 ⋅ 10-5, test method DIN 53752 |
Electrical properties
| Specific volume resistance | > 1011 Ωcm, test method DIN IEC 93 |
| Surface resistance | > 1011 Ω, test method DIN 53482 |
