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crossed roller bearings
Model: THK RA7008
Category: Machinery Parts and Components / Machinery Parts and Components / Bearings
Characteristics
THK RA series crossed roller bearing characteristics:
THK crossed roller bearing RA series is a thin-walled bearing, It carries heavy loads. Because of the divided inner or outer ring, are attached to the roller and spacer after the roller and spacer are installed to prevent separation from each other, so install the cross roller ring easily ,Since the rollers are arranged in a cross arrangement, only one set of crossed roller ring can withstand loads in all directions, and the rigidity is increased by 3 to 4 times compared with the conventional models. At the same time, since the inner ring or the outer ring of the crossed roller bearing has a two-divided structure, the bearing clearance can be adjusted, and even if a preload is applied, a high-precision rotational motion can be obtained.
Specifications
RA7008 Crossed Roller Bearing Specification:
| Model Number |
Main dimensions | Mounting dimensions | Basic load rating (radial) |
weight | |||||||
| Inner ring d (mm) |
Outer ring D(mm) |
Roller pitch circle dp(mm) |
Width B(mm) |
Greasing hole φ |
Chamfer r(min) |
ds | Dh | C kN |
C0 kN |
Kg | |
| RA7008 crossed roller bearing | 70 | 86 | 77 | 8 | 0.8 | 0.5 | 73.5 | 80.5 | 5.98 | 9.8 | 0.1 |
More informations please visit our website: https://www.dkbearing.com/
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