INA slewing ring bearing
INA slewing ring bearing is a rotational rolling-element bearing that typically supports a heavy but slow-turning or slow-oscillating load, often a horizontal platform such as a conventional crane, a swing yarder, or the wind-facing platform of a horizontal-axis windmill. (To "slew" means to turn without change of place.)
Slewing bearings are often made with gear teeth integral with the inner or outer race, used to drive the platform relative to the base.
As for other bearings that reciprocate, rather than rotating continuously, lubrication can be difficult. The oil wedge built up in a continuously rotating bearing is disrupted by the stop start motion of slewing. Instead, a hydrostatic bearing with pumped oil flow may be used.
- RU178X Crossed Roller Bearing
- M6x1
- 17 mm
- RU228X Crossed Roller Bearing
- Round
- Self Centering
- RU178 crossed roller bearings
- 8.73 Hz
- NTN
- RU297X Crossed Roller Bearing
- 6.65 kN
- 17 mm
- RU228 slewing ring bearing
- 55 mm
- 157 mm
- RU124G Crossed Roller Bearing black coat rust-proof
- 12.63 Hz
- -20 °C
- stacker reclaimers bearing RU297(G)
- UC212-39G2T04
- 79.4 mm
- RU228(G) Crossed Roller Bearing
- 19 mm
- EX202G2T20
- RU148(G) Crossed Roller Bearing
- 42.9 mm
- 30 mm
- RU297 crossed roller bearings for rotary tables
- 515 Series
- Non-Expansion