Manufactured by CHG Bearing, the XSA 140844N is a precision Crossed Roller Slewing Bearings. Key dimensional parameters include a 774 mm bore diameter, a 950.1 mm outer diameter, and a 56 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.

XSA 140844N - Crossed Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | XSA 140844N |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Single-row Crossed Roller Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 774 mm |
| Width (B) | 56 mm |
| Outer Diameter (D) | 950.1 mm |
| Inner/Outer Ring Height H1 | 44.5 mm |
| End-face Height Difference h | 44.5 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 885 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 798 mm |
| Lubrication Port Thread / Size Φ1 | 8 |
| Inner Ring Mounting Hole Count n2 | 40 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 14 |
| Outer Ring Mounting Hole Count n3 | 36 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 12 |
| Gear Data | |
| Gear Module m | 8 mm |
| Gear Tip Diameter De | 936 mm |
| Number of Gear Teeth z | 117 |
| Gear Face Width b | 44.5 mm |
| Addendum Modification Coefficient x | 0 |
| Reference Data | |
| Reference Mass (kg) | 70 kg |
XSA 140844N 950.1 mm 774 mm 56 mm 885 mm 798 mm Frequently Asked Questions about XSA 140844N Crossed Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As standard production, CHG Bearing subjects XSA 140844N to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
To extend the trouble-free lifespan of CHG Bearing XSA 140844N, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Sourcing XSA 140844N directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Crossed Roller Slewing Bearings.
Engineered according to international ISO boundary plans, CHG Bearing supplies XSA 140844N with a precision bore diameter (d) of 774 mm, an outside diameter (D) of 950.1 mm, and a nominal ring width (B) of 56 mm. This configuration yields an effective cross-sectional wall thickness of 88.1 mm and an envelope ratio (D/d) of 1.23, delivering compact rigidity for OEM machinery housings.
