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igus® inc.
Self-lubricating and maintenance free
Long life even on "soft" shafts
Resistant to edge loads
Continuous use up to +284 °F
Good price/performance ratio
| d1 [mm] | f [mm] |
|---|---|
| Ø 1–6 | 0,3 |
| Ø 6–12 | 0,5 |
| Ø 12–30 | 0,8 |
| Ø > 30 | 1,2 |
| General features | |
|---|---|
| Color | black |
| moisture absorption at 73 °F and 50 %r. h. | 3,0 weight-% |
| Electrical properties | |
| Specific forward resistance | > 1011 Ωcm |
| surface resistance | > 1011 Ω |
| Thermal properties | |
| Max. long term application temperature | +284 °F |
| Max. short term application temperature | +356 °F |
| Max. short term ambient temperature | +392 °F |
| Minimum application temperature | -40 °F |
| Part Number | d1 | d1 tolerance | d2 | b1 | |||
|---|---|---|---|---|---|---|---|
| Q290SM-2023-20 | 0.79 | 0.002 | 0.91 | 0.79 | Upon request | ||
| Q290SM-2528-30 | 0.98 | 0.002 | 1.1 | 1.18 | Upon request | ||
| Q290SM-3034-30 | 1.18 | 0.002 | 1.34 | 1.18 | 4.94 USD | ||
| Q290SM-3034-40 | 1.18 | 0.002 | 1.34 | 1.57 | Upon request | ||
| Q290SM-3539-30 | 1.38 | 0.002 | 1.54 | 1.18 | Upon request | ||
| Q290SM-3539-40 | 1.38 | 0.002 | 1.54 | 1.57 | Upon request | ||
| Q290SM-3539-50 | 1.38 | 0.002 | 1.54 | 1.97 | Upon request | ||
| Q290SM-4044-40 | 1.57 | 0.002 | 1.73 | 1.57 | Upon request | ||
| Q290SM-5055-50 | 1.97 | 0.002 | 2.17 | 1.97 | Upon request | ||
| Q290SM-6065-60 | 2.36 | 0.002 | 2.56 | 2.36 | Upon request | ||
| Q290SM-6570-60 | 2.56 | 0.002 | 2.76 | 2.36 | Upon request | ||
| Q290SM-7075-60 | 2.76 | 0.002 | 2.95 | 2.36 | Upon request | ||
| Q290SM-8085-100 | 3.15 | 0.002 | 3.35 | 3.94 | Upon request | ||
* After pressfit of the bearing in a housing with nominal dimension, the inner diameter of the bearings adjusts itself to an E10 tolerance.
