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.