| RU178(G) Crossed Roller Bearing | |||
| Shaft dia: | 115 mm | ||
| d | 115 mm | ||
| D | 240 mm | ||
| dp | 178 mm | Roller pitch circle dia. | |
| B | 28 mm | ||
| d1 | 3.1 mm | ||
| r/min | 1.5 r/min | Rotational speed | |
| ds (max) | 161 mm | Shoulder Height | |
| Dh (min) | 195 mm | Shoulder Height | |
| Cr | 80.3 KN | Basic static load rating | |
| Cor | 135 KN | Basic dynamic load rating | |
| Mass | 6.8 kg | ||
| PCD1 | 139 mm | ||
| 12-φ9 drilled through, φ14 counter bore depth 8.6 |
Mounnting hole | ||
| PCD2 | 217 mm | ||
| 12-φ9 drilled through, φ14 counter bore depth 8.6 |
Mounnting hole | ||
RIGIA Bearing RU series crossed roller bearing with mounting holes:
| RIGIA P/N | THK P/N | d | D | B | PCD1 | PCD2 | rsmin | Cr (KN) | Cor (KN) | Mass(kg) |
| RIG42 | RU42 | 20 | 70 | 12 | 28 | 57 | 0.6 | 7.35 | 8.35 | 0.29 |
| RIG66 | RU66 | 35 | 95 | 15 | 45 | 83 | 0.6 | 17.5 | 22.3 | 0.62 |
| RIG85 | RU85 | 55 | 120 | 15 | 65 | 105 | 0.6 | 20.3 | 29.5 | 1 |
| RIG124 | RU124(G) | 80 | 165 | 22 | 97 | 148 | 1 | 33.1 | 50.9 | 2.6 |
| RIG124X | RU124X | 80 | 165 | 22 | 97 | 148 | 1 | 33.1 | 50.9 | 2.6 |
| RIG148 | RU148(G) | 90 | 210 | 25 | 112 | 187 | 1.5 | 49.1 | 76.8 | 4.9 |
| RIG148X | RU148X | 90 | 210 | 25 | 112 | 187 | 1.5 | 49.1 | 76.8 | 4.9 |
| RIG178 | RU178(G) | 115 | 240 | 28 | 139 | 217 | 1.5 | 80.3 | 135 | 6.8 |
| RIG178X | RU178X | 115 | 240 | 28 | 139 | 217 | 1.5 | 80.3 | 135 | 6.8 |
| RIG228 | RU228(G) | 160 | 295 | 35 | 184 | 270 | 2 | 104 | 173 | 11.4 |
| RIG228X | RU228X | 160 | 295 | 35 | 184 | 270 | 2 | 104 | 173 | 11.4 |
| RIG297 | RU297(G) | 210 | 380 | 40 | 240 | 350 | 2.5 | 156 | 281 | 21.3 |
| RIG297X | RU297X | 210 | 380 | 40 | 240 | 350 | 2.5 | 156 | 281 | 21.3 |
| RIG445 | RU445(G) | 350 | 540 | 45 | 385 | 505 | 2.5 | 222 | 473 | 35.4 |
| RIG445X | 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)
To learn more about our company or get the Installation Instructions of RU178 crossed roller bearing regarding the installation size, weight, basic dynamic load rating, load, limiting speed, and clearance, please contact us. Drawing and sample are available upon request.













