Manufactured by PRS Bearings, the XRU 21040G is a precision XRU Crossed Roller Bearings. You may consider it as an interchangeable alternative and replacement for RU297G. Key dimensional parameters include a 210 mm bore diameter, a 380 mm outer diameter, and a 40 mm overall width. With matching boundary dimensions, 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.
XRU 21040G - XRU Crossed Roller Bearings
Technical Specifications
| Direct Interchange | RU297G |
|---|---|
| Overview | |
| Basic Model | XRU 21040G |
| Weight | 21.3 kg |
| Dimensions | |
| Bore Dia (d, mm) | 210 mm |
| Outer Dia (D, mm) | 380 mm |
| Width (B, mm) | 40 mm |
| Roller Pitch Dia (Dpw) | 297.3 mm |
| Load Ratings | |
| Dynamic Load (Cr) | 156 kN |
| Static Load (Cor) | 281 kN |
| Performance | |
| Double Seal (ds) | 272 mm |
| Double High-Performance Seal (Dh) | 320 mm |
| Mounting Holes | |
| Outer Ring Hole Pitch Dia. (La) | 350 mm |
| No. of Outer Ring Holes (na) | 16 |
| No. of Inner Ring Holes (ni) | 16 |
210 mm 380 mm 210 mm 380 mm 40 mm 40 mm XRU 21040G Frequently Asked Questions about XRU 21040G XRU Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Depending on your thermal and fit requirements, PRS Bearings supplies the XRU 21040G in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
As a dedicated bearing manufacturer, PRS Bearings maintains strategic inventory of the XRU 21040G for prompt dispatch. For large OEM forecast orders, our lean production lines guarantee highly competitive lead times.
Yes, beyond standard ISO specifications, PRS Bearings can produce the XRU 21040G with tailored radial internal clearances and ultra-precision accuracy classes to meet the strict demands of specialized OEM applications.
The standard XRU 21040G from PRS Bearings is heat-stabilized for temperatures up to 120°C. For extreme heat applications, PRS Bearings offers custom S1 or S2 stabilization treatments to ensure the component maintains its 210 mm x 380 mm dimensions without warping.