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> THK RU TYPE Integrated inner and outer ring Crossed Roller Bearing
RU297 crossed roller bearings for rotary tables
- Structure: crossed roller bearing
- Gear: without
- Sealed Type: sealed both sides
- Material: GCr15/52100/100Cr6
- Product description: RU297 crossed roller bearings for rotary tables belongs to THK RU series slewing ring bearings, has mounting holes on inner and outer rings.
Product introduction
RU297 crossed roller bearings for rotary tables
RU297 bearing is crossed roller slewing ring, it has two types, RU297G and RU297X. The major difference is the mounting holes on the inner ring. RU297G slewing ring's mounting hole is counter bore, while RU297X bearing's mounting hole is through bore type.
|
RU297(G) | RU297X | ||
| d | 210 mm | 210 mm | ||
| D | 380 mm | 380 mm | ||
| dp | 297.3 mm | 297.3 mm | ||
| B | 40 mm | 40 mm | ||
| d1 | 6 mm | 6 mm | ||
|
r/min | 2.5 r/min | 2.5 r/min | |
| ds (max) | 272 mm | 272 mm | ||
| Dh (min) | 320 mm | 320 mm | ||
| Cr | 156 KN | 156 KN | ||
| Cor | 281 KN | 281 KN | ||
|
Mass | 21.3 kg | 21.3 kg | |
| PCD1 | 240 mm | 240 mm | ||
| Mounting hole |
16-φ14 drilled through, φ20 counter bore depth 13 |
16-M12 through | ||
| PCD2 | 350 mm | 350 mm | ||
| Mounting hole |
16-φ14 drilled through, φ20 counter bore depth 13 |
16-φ14 drilled through, φ20 counter bore depth 14 |
||
RU series crossed roller bearing models
| Part No. | Dimension (mm) | Load Rating | Mass | ||||||
| d | D | B | Roller pitch circle diameter | Greasing hole | rmin | Cr | Cor | ||
| dp | d1 | kN | kN | kg | |||||
| RU42 | 20 | 70 | 12 | 41.5 | 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 |
Equivalent Models
| THK Model |
IKO Model (open) |
IKO Model (double seals) |
d(mm) | D(mm) | B(mm) |
| / | CRBF 108 AT | CRBF 108 AT UU | 10 | 52 | 8 |
| RU42 | CRBF 2012 AT | CRBF 2012AT UU | 20 | 70 | 12 |
| / | CRBF 2512 AT | CRBF 2512 AT UU | 25 | 80 | 12 |
| RU66 | CRBF 3515 AT | CRBF 3515 AT UU | 35 | 95 | 15 |
| RU85 | CRBF 5515 AT | CRBF 5515 AT UU | 55 | 120 | 15 |
| RU124 | CRBF 8022 A | CRBF 8022 A UU | 80 | 165 | 22 |
| RU124(G) | CRBF 8022 AD | CRBF 8022 AD UU | 80 | 165 | 22 |
| RU124X | CRBF 8022 AT | CRBF 8022 AT UU | 80 | 165 | 22 |
| RU148(G) | 90 | 210 | 25 | ||
| RU148X | 90 | 210 | 25 | ||
| RU178(G) | 115 | 240 | 28 | ||
| RU178X | 115 | 240 | 28 | ||
| RU228(G) | 160 | 295 | 35 | ||
| RU228X | 160 | 295 | 35 | ||
| RU297(G) | 210 | 380 | 40 | ||
| RU297X | 210 | 380 | 40 | ||
| RU445(G) | 350 | 540 | 45 | ||
| RU445X | 350 | 540 | 45 |
To learn more about our company or get the Installation Instructions of RU297 crossed roller bearings for rotary tables regarding the installation size, weight, basic dynamic load rating, load, limiting speed, and clearance, please contact us. Drawing and sample of RU297 crossed roller bearings for rotary tables are available upon request.
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