Manufactured by PRS Bearings, the XRBU 305 is a precision XRBU Crossed Roller Bearings. Key dimensional parameters include a 30 mm bore diameter, a 63 mm outer diameter, and a 5 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
XRBU 305 - XRBU Crossed Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Basic Model | XRBU 305 |
| Weight | 0.08 kg |
| Dimensions | |
| Bore Dia (d, mm) | 30 mm |
| Outer Dia (D, mm) | 63 mm |
| Width (B, mm) | 5 mm |
| Chamfer (r, mm) | 0.15 mm |
| Roller Pitch Dia (Dpw) | 46.5 mm |
| Load Ratings | |
| Dynamic Load (Cr) | 2.1 kN |
| Static Load (Cor) | 2.7 kN |
| Mounting Holes | |
| Outer Ring Hole Pitch Dia. (La) | 55 mm |
| Inner Ring Hole Pitch Dia. (Li) | 36 mm |
| No. of Outer Ring Holes (na) | 8 |
| No. of Inner Ring Holes (ni) | 8 |
XRBU 305 63 mm 30 mm 5 mm Frequently Asked Questions about XRBU 305 XRBU Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
PRS Bearings recommends storing the XRBU 305 in its original packaging in a clean, low-vibration warehouse. Maintaining a relative humidity below 60% and a stable room temperature ensures maximum shelf life.
The XRBU 305 is engineered with an optimal strength-to-mass ratio. PRS Bearings ensures that the cross-sectional distribution provides maximum structural rigidity for its 2.1 dynamic load rating without introducing excessive rotational inertia.
Absolutely. The PRS Bearings XRBU 305 is a drop-in replacement for international models like SKF XRBU 305, FAG XRBU 305, NSK XRBU 305. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.
The L10 life of the PRS Bearings XRBU 305 is calculated based on its 2.1 dynamic capacity and your specific application loads. By maintaining clean operating conditions and using PRS Bearings's recommended lubrication, users can expect significantly extended service intervals.