XSA140644N INA Slew Ring Bearing 574x742.3x56mm External Gear Cross Roller Bearing
The XSA140644N Slew Ring Bearing is a high precision crossed cylindrical roller bearing with external gear, designed for rotary tables, CNC machinery, industrial automation systems, and heavy-duty equipment. With dimensions of 574x742.3x56mm, this external gear slewing bearing ensures efficient torque transmission, smooth rotation, and high load capacity.
Built with a cross roller structure, it supports radial, axial, and moment loads simultaneously, making it ideal for turntable bearings, precision positioning systems, and industrial rotary applications.
This slewing ring cross roller bearing offers high rigidity, compact structure, and stable performance, widely used in CNC machine parts, automation equipment, construction machinery, and rotary platforms.
- External Gear Design: Enables direct drive and efficient torque transmission.
- Crossed Cylindrical Roller Structure: Ensures high precision and smooth motion.
- High Load Capacity: Handles radial, axial, and moment loads simultaneously.
- Compact Slew Ring Structure: Space-saving with strong rigidity.
- Stable Performance: Suitable for continuous industrial operation.
- Wide Application Compatibility: Ideal for CNC and automation systems.
| Parameter | Specification |
|---|---|
| Model | XSA140644N |
| Inner Diameter (ID) | 574 mm |
| Outer Diameter (OD) | 742.3 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 performance in automated equipment.
- Construction Machinery – Durable operation under load conditions.
| 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




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