Product Details
RU Series Crossed Roller Bearings
RU series crossed roller bearing (Inner ring integrated with Outer Ring): Since the mounting holes are provided, the model does not require a presser flange or housing. In addition, because it has an integrated inner and outer ring structure and is equipped with washers, its performance is minimally affected by the mounting procedure, ensuring stable rotation accuracy and torque. This model can be used for both inner-ring rotation and outer-ring rotation.
Remarks:
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)
THKCode |
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 |
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