RU445 Crossed Roller Bearing
The RU445 bearing is a Cross roller bearing with an inner diameter of 350 mm , an outer diameter of 540 mm, a width of 45 mm. It typically uses P4 P5 P6 P0 grade precision tolerances and open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
RU445 Crossed Roller Bearing 350X540X45mm
Technical:
| Shaft dia: | 350 mm | ||
| d | 350 mm | ||
| D | 540 mm | ||
| dp | 445.4 mm | Roller pitch circle dia. | |
| B | 45 mm | ||
| d1 | 6 mm | ||
| r/min | 2.5 r/min | Rotational speed | |
| ds (max) | 417 mm | Shoulder Height | |
| Dh (min) | 473 mm | Shoulder Height | |
| Cr | 222 KN | Basic static load rating | |
| Cor | 473 KN | Basic dynamic load rating | |
| Mass | 35.4 kg | ||
| PCD1 | 385 mm | ||
| 24-φ14 drilled through, φ20 counter bore depth 13 |
Mounnting hole | ||
| PCD2 | 505 mm | ||
| 24-φ14 drilled through, φ20 counter bore depth 13 |
Mounnting hole |
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Feature of Crossed Roller Bearing
1. High accuracy and load capacity. Precision ground V grooved ways and rollers.
2. Withstands force in any direction. Alternately crossed rollers 45º angle.
3. Easy Installation and get used to small spaces. Threaded mounting holes in standard pattern.
4. Factory preloaded for minimum axial play and low coefficient of friction.
Installation & Cautions
1.Inspect the parts before installing:Clean bearing bracket,main axle or other parts to remove dirt or grease.
2.Place the bearing into the bearing bracket and main axle:To match the design clearance ,keep the bearing horizontal and insert the bearing into the bearing bracket or axle.If it is hard to install,use a rubber hammer to slightly hit every part of the bearing,so that the bearing can be attention to the hitting force is too large.Afterwards,the matching status of bearing and basic face can be examined by checking the noise.For a interference fit,use heating or cooling to expand or shrink the parts for ease of installation. Be sure the bearing temperature does not exceed 80℃ . If the split inner or outer ring is acentric, please loosen the blots slightly and rotate the monolithic ring to adjust the concentricity of split ring, so that the bearing can be fit in the bracket.
3.Install the mounting disc:Place the mounting disc onto the bearing and align the screw holes, Screw all the bolts in the holes first and follow the orders show in below diagram when tightening bolts in diagonally opposite sequence,Do not tighten bolts randomly.
Cautions:
1.The normal operating temperature of Crossed roller bearing is 10-80℃, If it is over this range,please contact LDB.
2.If a foreign substance enters inside the bearing structure, the rotation route of the roller may be damage, or the bearing may fail.Please clean the bearing by refill the lubricant grease.
3.Please do not remove or apply force to the bolt and nut of the split bearing
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