RU297G crossed roller bearing

Model: RU297G UUCC0 P5

Inner ring: 210mm
Outer ring: 380mm
Width: 40mm
Weight: 21.3 kg
Structure: crossed cylindrical roller bearing
Materials: GCr15 bearing steel
Precision grade: P5/P4
Lubrication type: Grease lubrication
Lubrication hole: Yes
Load direction: axial, radial and tilting moment.

RU series crossed roller bearing has compact inner/outer ring, provide stable running accuracy and torque, suited for both rotating inner and outer rings. 

Application: waist joints of robots, rotary table, radar, precision measuring instruments, etc.

Surface treatment: surface blackening, phosphate treatment, zinc-plating,etc. to protect bearings from rust or corrosion.

THK RU crossed roller bearing models

THK P/N	d	D	B	PCD1	PCD2	rsmin	Cr (KN)	Cor (KN)	Mass(kg)
RU42	20	70	12	28	57	0.6	7.35	8.35	0.29
RU66	35	95	15	45	83	0.6	17.5	22.3	0.62
RU85	55	120	15	65	105	0.6	20.3	29.5	1
RU124(G)	80	165	22	97	148	1	33.1	50.9	2.6
RU124X	80	165	22	97	148	1	33.1	50.9	2.6
RU148(G)	90	210	25	112	187	1.5	49.1	76.8	4.9
RU148X	90	210	25	112	187	1.5	49.1	76.8	4.9
RU178(G)	115	240	28	139	217	1.5	80.3	135	6.8
RU178X	115	240	28	139	217	1.5	80.3	135	6.8
RU228(G)	160	295	35	184	270	2	104	173	11.4
RU228X	160	295	35	184	270	2	104	173	11.4
RU297(G)	210	380	40	240	350	2.5	156	281	21.3
RU297X	210	380	40	240	350	2.5	156	281	21.3
RU445(G)	350	540	45	385	505	2.5	222	473	35.4
RU445X	350	540	45	385	505	2.5	222	473	35.4

G-Mounting Hole Orientation symbol
No Symbol :The counterbore holes of the inner and outer rings face the same direction
G :The counterbore holes of the inner and outer rings face opposite direction

X-Inner Ring Hole symbol
No Symbol :Inner ring counterbore hole
X :Inner ring tapped hole (through hole)

Seal symbol
No Symbol : Without seal
UU : Seal attached on both ends
U : Seal attached on either end(counterbore side of the outer ring)
UT :Seal attached on either end (opposite to the counterbore side of the outer ring)