RU Crossed Roller Bearings

RU cross roller bearings are integrated with inner and outer rings. Both the outer and inner rings have mounting holes. No fixed flanges or support seats are required for installation. Installation has almost no effect on performance, so stable rotation accuracy and torque can be obtained. RU type cross roller bearings are suitable for occasions where the outer and inner rings rotate. Therefore, they are suitable for applications such as the joints or rotating parts of industrial robots, the rotary table of machining centers, the rotating part of manipulators, precision rotary tables, medical machines, measuring instruments, etc.

Product Details

Model	Dimension				Rated Load		Weight
	Inner Diameter	Outside Diameter	Pitch Diameter	Height
	d	D	dp	b	C/kN	Co/kN	kg
RU28	10	52	28	8	2.9	24	0.12
RU42	20	70	41.5	12	7.35	8.35	0.29
RU66	35	95	66	15	17.5	22.3	0.62
RU85	55	120	85	15	20.3	29.5	1
RU124(G)	80	165	124	22	33.1	50.9	2.6
RU124X
RU148(G)	90	210	147.5	25	49.1	76.8	4.9
RU148X
RU178(G)	115	240	178	28	80.3	135	6.8
RU178X
RU228(G)	160	295	227.5	35	104	172	11.4
RU228X
RU297(G)	210	380	297.3	40	156	281	21.3
RU297X
RU445(G)	350	540	445.4	45	222	473	35.4
RU445X

RU Crossed roller bearings are designed to withstand radial loads, axial loads, moment loads, and other loads in all directions because their cylindrical rollers are arranged perpendicularly to each other on a 90° V-groove rolling surface through a spacer. The cross roller ring has high rigidity, so it is particularly suitable for the joints or rotating parts of industrial robots, the rotary table of machining centers, the rotating part of manipulators, precision rotary tables, medical machines, measuring instruments, IC manufacturing devices, etc.

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