RE7013 Thin Crossed Roller Bearing
RE7013 is a compact crossed roller bearing designed for tight mechanical layouts where stable motion must be maintained in limited space. Its thin profile supports straightforward integration into precision assemblies without altering structural design constraints.
The crossed roller structure maintains steady contact during operation, helping ensure smooth movement and consistent alignment in compact positioning and low-clearance mechanisms.
Product Specification Sheet
| Inner Diameter (ID) | 70 mm |
| Outer Diameter (OD) | 100 mm |
| Roller Pitch Diameter (Dpw) | 86 mm |
| Width (W) | 13 mm |
| Chamfer (rmin) | 0.6 |
| Shoulder Size (ds) | 78 |
| Shoulder Size (Dh) | 92 |
| Basic Load Rating (Radial) Cr | 19.4 kN |
| Basic Load Rating (Radial) Cor | 27.7 kN |
| weight | 0.35 kg |
| Accuracy Class | P4 / P5 (customizable) |
Check More Type of RE Series Crossed Roller Bearing
Structural Notes
- RE7013 adopts a compact internal layout designed to maintain stable motion behavior within restricted installation space. The roller arrangement is configured to support consistent contact during rotation, helping preserve alignment stability in tightly assembled structures.
- The structure emphasizes controlled force distribution within a reduced envelope, allowing the unit to integrate into precision mechanisms where space efficiency and mechanical consistency must coexist.
Selection Guidance
- RE7013 is intended for compact mechanisms where stable rotational guidance is required under limited mounting conditions. It fits well in designs where maintaining alignment is more important than supporting higher load levels.
- For systems with larger installation space or higher load demands, a different bearing size should be considered to better match the mechanical requirements of the application.
Applications
- RE7013 is used in compact systems requiring controlled rotation within limited space, especially in precision positioning and alignment mechanisms.
Typical applications include:
- Compact positioning stages
- Precision rotary and indexing mechanisms
- Small robotic joint structures
- Fine adjustment and alignment units
Maintenance Requirements
Can RE7013 be supplied in higher precision grades?
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Yes. It is available in P4 and P2 grades for applications requiring tighter rotational accuracy, including robotics, medical systems, and precision indexing units.
How sensitive is RE7013 to mounting accuracy?
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The bearing requires precise alignment. Even minor installation deviation or uneven preload can impact rotational accuracy and service stability.
How should the bearing be checked before installation?
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Verify surface condition, dimensional consistency, and smooth rotation under preload. Each unit is inspected at the factory to ensure compliance with tolerance requirements.
What if vibration or noise occurs during operation?
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Check alignment, lubrication condition, and contamination first. If the issue continues, inspect internal raceways and rolling elements, and replace the bearing if wear is confirmed.
Does RE7013 require regular maintenance during service?
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Under normal operating conditions, routine maintenance is minimal. Periodic checks of lubrication status, mounting condition, and running smoothness are recommended to ensure long-term stability.
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