RB3010 Crossed Roller Bearing
High Rotational Accuracy
Rollers positioned at 90° to each other minimize clearance and ensure uniform load distribution.
Superior Rigidity
Supports combined loads with minimal deformation under heavy stress.
Compact Structure
Thin-section design with integral inner ring allows easy installation in space-limited systems.
Smooth & Stable Operation
Precision-ground raceways reduce friction and noise during high-speed rotation.
Customization Options
Cage Material
Available in resin or brass, depending on load and speed. Resin offers quiet operation; brass ensures higher strength and heat resistance.
Surface Treatment
Optional nickel plating or black oxide coating improves wear and corrosion resistance for harsh environments.
Packaging & Labeling
Each bearing is vacuum-sealed, labeled, and securely packed for global shipment. Custom packaging and branding are available on request.
Technical Specifications
| Part Number: | RB3010 |
| Roller Bearing Type | Crossed Roller |
| For Load Direction | Combined |
| Inner Diameter (mm) | 30 |
| Outer Diameter (mm) | 55 |
| Roller Pitch Diameter (Dpw) | 41.5 |
| Width (mm) | 10 |
| Chamfer (rmin) | 0.6 |
| Shoulder Size (ds) | 37 |
| Shoulder Size (Dh) | 47 |
| Basic Load Rating (Radial) Cr (kN) | 7.35 |
| Basic Load Rating (Radial) Cor (kN) | 8.36 |
| weight (kg) | 0.12 |
| Accuracy Class | P5 / P4 / P2 |
| Load Capacity | Equal in radial, axial, and moment directions |
| Mounting Holes | Without Mounting Holes |
| Material | Bearing Steel (SUJ2 / GCr15) |
| Cage Type | Resin or Brass Cage (custom options available) |
| Lubrication | Grease or Oil (optional based on application) |
Applications
The RB3010 Crossed Roller Bearing is commonly used in high-precision and compact mechanisms, such as:
Robotic joints and end effectors requiring lightweight motion components
Rotary encoders and optical instruments demanding smooth, accurate rotation
Precision turntables and measuring devices
Automation and semiconductor machinery where space efficiency and reliability are key
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