Cross Roller Bearing XSA140544N External Gear Slewing Ring Bearing 474.56x640.3x56mm
The XSA140544N External Gear Slewing Ring Bearing is a high precision crossed roller slewing bearing designed for rotary tables, CNC machinery, industrial automation systems, and construction equipment. With dimensions of 474.56x640.3x56mm, this slewing ring with external gear ensures efficient torque transmission, smooth rotation, and high load capacity.
Built with a cross cylindrical roller structure, it supports radial, axial, and moment loads simultaneously, making it ideal for turntable bearings, precision positioning systems, and heavy-duty rotary applications.
This external gear cross roller bearing offers high rigidity, compact structure, and stable performance, widely used in CNC equipment, automation systems, rotary platforms, and industrial machinery.
- External Gear Design: Enables direct drive and efficient torque transmission.
- Crossed Roller Structure: Provides high precision and smooth rotational accuracy.
- High Load Capacity: Handles radial, axial, and moment loads simultaneously.
- Compact Slewing Ring Structure: Space-saving with strong rigidity.
- Stable & Durable Performance: Suitable for continuous industrial operation.
- Wide Application Range: Ideal for CNC, automation, and rotary systems.
| Parameter | Specification |
|---|---|
| Model | XSA140544N |
| Inner Diameter (ID) | 474 mm |
| Outer Diameter (OD) | 640.3 mm |
| Width (H) | 56 mm |
| Type | Slewing Ring Bearing (External Gear) |
| Structure | Crossed Cylindrical Rollers |
| Material | Bearing Steel |
| Accuracy Class | P5 / P4 optional |
| Preload | Custom |
| Application | CNC Machinery, Rotary Tables, Automation Systems |
- Rotary Tables – High precision rotation and positioning.
- CNC Machinery – Stable motion control for machining systems.
- Industrial Automation – Reliable operation in automated equipment.
- Construction Machinery – Durable performance in heavy-duty environments.
| INA |
Weight (Kg) |
Da | di | Di | da | La | Li | ni | na | A | B | C | D | Preload | do | m | z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XSA140414N | 32 | 503.3 | 344 | 417 | 413 | 455 | 368 | 24 | 20 | 0.04 | 0.04 | 0.06 | 0.06 | 0.01-0.03 | 495 | 5 | 99 |
| XSA140544N | 44 | 640.3 | 474 | 547 | 543 | 585 | 498 | 32 | 28 | 0.04 | 0.04 | 0.07 | 0.06 | 0.01-0.03 | 630 | 6 | 105 |
| XSA140644N | 52 | 742.3 | 574 | 647 | 643 | 685 | 598 | 36 | 32 | 0.05 | 0.05 | 0.08 | 0.07 | 0.01-0.04 | 732 | 6 | 122 |
| XSA140744N | 59 | 838.1 | 674 | 747 | 743 | 785 | 698 | 40 | 36 | 0.05 | 0.05 | 0.08 | 0.08 | 0.01-0.04 | 828 | 6 | 138 |
| XSA140844N | 71 | 950.1 | 774 | 847 | 843 | 885 | 798 | 40 | 36 | 0.06 | 0.06 | 0.09 | 0.08 | 0.01-0.04 | 936 | 8 | 117 |
| XSA140944N | 77 | 1046.1 | 874 | 947 | 943 | 985 | 898 | 44 | 40 | 0.06 | 0.06 | 0.09 | 0.09 | 0.01-0.05 | 1032 | 8 | 129 |
| XSA141094N | 91 | 1198.1 | 1024 | 1097 | 1093 | 1135 | 1048 | 48 | 44 | 0.07 | 0.07 | 0.11 | 0.11 | 0.01-0.05 | 1184 | 8 | 148 |
- External Gear Slewing Bearing Expertise
- High Precision Cross Roller Manufacturing
- Reliable Performance for Industrial Applications
- Customization & Global Delivery Support




Enhance your system with XSA140544N External Gear Slewing Ring Bearing.
Contact GQZ Bearing today for pricing, samples, or technical consultation!
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