Home > Products > RB Series Cross roller bearing > RB30040 crossed roller bearing Cross roller collar Industrial robot bearing Hollow rotating platform56
RB30040 crossed roller bearing Cross roller collar Industrial robot bearing Hollow rotating platform56
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Product Details
Place of Origin: | China | Number of Row: | Single Row | Outside Diameter: | , |
Bore Size: | , |
Product Description
In cross roller bearings, cylindrical rollers are arranged perpendicular to each other through spacer retainers on the v-groove rolling surface of 90 °, so they can bear radial load, axial load and torque load in all directions.The size of the inside and outside the circle is a minimum of miniaturization, especially extremely thin type is close to the limit of small size, and high rigidity, so the most suitable for industrial robot joint department or rotate department, machining center of rotary worktable, manipulator rotate, precision rotary worktable, medical machine, meter, IC manufacturing devices use.
Cross roller bearing, because the divided inner ring or outer ring, after loading roller and interval retainer, fixed with cross roller shaft ring, to prevent each other from separation, so the installation of cross roller shaft ring operation is simple.Because the rollers are arranged crosswalk, so only one set of crosswalk ring can bear the load in all directions, compared with the traditional model, the rigidity is increased 3~4 times.At the same time, because the inner or outer rings of the cross roller bearings are divided into two parts, the bearing clearance can be adjusted, and the high precision rotation motion can be obtained even when the preload is applied.
1. Excellent rotation accuracy
The internal structure of cross roller bearing is arranged in 90° vertical cross with each other.
An interval retainer or isolation block is installed between the rollers, which can prevent the inclination of the rollers from grinding each other and effectively prevent the increase of rotation torque.In addition, there will be no roller contact or locking phenomenon;At the same time, because the inner and outer rings are segmented, the gap can be adjusted, and even if preloading is applied, high precision rotation motion can be obtained.
2. Simplified operation and installation
The outer or inner ring, which is divided into two parts, is fixed together after the roller and retainer are loaded, so it is very easy to install.
3. Bear larger axial and radial loads
Because the rollers are vertically aligned with each other via spacer retainers on the 90° v-groove rolling surface, this design allows the cross roller bearings to withstand large radial, axial, and torque loads in all directions.
4. Significantly save installation space
Cross roller bearing inner and outer ring size is minimal miniaturization, especially ultra-thin structure is close to the limit of small size, and high rigidity, so the most suitable for the joints of the industrial robot parts or rotating parts, machinery processing center of the rotary worktable, mechanical rotary department, precision rotary worktable, medical instruments, measuring instruments, such as IC manufacturing equipment widely used.
5. High speed capability
6. Reduce shaft length and machining cost. Thermal expansion results in limited geometric dimension changes
7. Nylon separator, low inertia, low starting torque, easy to control Angle indexing
8. Optimize pre-tightening force, high stiffness and high precision of guiding roller operation
9. Carburized carbon steel provides excellent impact and surface abrasion resistance
10. Simple but well lubricated
RB series model (THK corresponding model is RB series, IKO corresponding model is CRB series) is the basic model of cross cylindrical roller bearing, the size of inner and outer ring is miniaturized to the minimum extent, its structure is the outer ring is divided type, the inner ring is an integral design, suitable for the parts requiring high rotation accuracy of the inner ring.
Contact Us
- LUOYANG LYMD PRECISION BEARING TECHNOLOGY Co.,Ltd.
- Contact nameshuhua li
- AddressNo.6, fenghua road, high-tech zone Luoyang,Henan
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