Manufactured by PRS Bearings, the XRB 90070 is a precision XRB Crossed Roller Bearings. You may consider it as an interchangeable alternative and replacement for THK RB90070. Key dimensional parameters include a 900 mm bore diameter, a 1050 mm outer diameter, and a 70 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.
XRB 90070 - XRB Crossed Roller Bearings
Technical Specifications
| Direct Interchange | THK RB90070 |
|---|---|
| Overview | |
| Basic Model | XRB 90070 |
| Weight | 120 kg |
| Dimensions | |
| Bore Dia (d, mm) | 900 mm |
| Outer Dia (D, mm) | 1050 mm |
| Width (B, mm) | 70 mm |
| Roller Pitch Dia (Dpw) | 969 mm |
| Load Ratings | |
| Dynamic Load (Cr) | 494 kN |
| Static Load (Cor) | 1490 kN |
| Performance | |
| Double Seal (ds) | 937 mm |
| Double High-Performance Seal (Dh) | 1001 mm |
900 mm 70 mm 937 mm 1001 mm XRB 90070 Frequently Asked Questions about XRB 90070 XRB Crossed Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The PRS Bearings XRB 90070 features an advanced dual-sealing system with standard double seal (ds: 937) and double high-performance seal (Dh: 1001) configurations. These specialized seals provide an effective barrier against dust, moisture, and contaminants, ensuring the internal raceways of the XRB 90070 remain uncontaminated. This significantly reduces maintenance costs and extends service life.
The standard XRB 90070 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 900 mm x 1050 mm dimensions without warping.
PRS Bearings provides the XRB 90070 with various cage options including high-strength pressed steel, machined brass for high-vibration tasks, or reinforced polymers for the quietest operation in precision machinery.
Every PRS Bearings XRB 90070 is treated with premium rust-preventative oil and vacuum-sealed or wrapped in VCI paper. This guarantees that the 900 mm bore and 1050 mm outer surfaces remain pristine during overseas transit.