High Precision Slewing Bearing INA XA140540N 471×640.3×48mm External Gear for CNC Machine
The XA140540N slewing bearing with external gear is designed for precision rotation and stable performance in CNC machines and automated equipment.
With a compact structure and optimized load distribution, this model is ideal for applications requiring high accuracy, smooth motion, and reliable long-term operation.
Get a quotation within 24 hours for your project.
This slewing bearing is suitable for:
- CNC machine rotary tables
- Automated positioning systems
- Precision indexing equipment
- Medium-load rotating platforms
Designed for applications requiring accurate positioning, smooth rotation, and compact installation space.
- External gear design for easy integration with drive systems
- High precision rotation performance for CNC applications
- Optimized internal structure for stable load distribution
- Compact size suitable for limited installation space
- Long service life with consistent performance
Improves system efficiency and positioning accuracy in precision equipment.
| Parameter | Value |
|---|---|
| Model | XA140540N |
| Inner Diameter (ID) | 471 mm |
| Outer Diameter (OD) | 640.3 mm |
| Width | 48 mm |
| Structure | Crossed Roller Slewing Bearing |
| Gear Type | External Gear |
| Material | High-quality Bearing Steel |
| Application | CNC Machine / Automation Equipment |
| Customization | Available |
Detailed drawings and customized specifications are available upon request.
| INA | Weight (Kg) |
Da | di | La | na | Db | Li | H | h | b | do | m | z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XA120235N | 13 | 318.8 | 171 | 275 | 12 | 13 | 195 | 40 | 35 | 35 | 312 | 4 | 78 |
| XA180309N | 30 | 408.4 | 235 | 235 | 24 | 13 | 259 | 60 | 52.5 | 52.5 | 400 | 5 | 80 |
| XA160407N | 33 | 503.3 | 335 | 335 | 30 | 13 | 359 | 50 | 45 | 45 | 495 | 5 | 99 |
| XA260475N | 64 | 598.2 | 385 | 382 | 36 | 16 | 410 | 65 | 60 | 60 | 588 | 6 | 98 |
| XA140540N | 39 | 640.3 | 471 | 471 | 40 | 13 | 495 | 48 | 41 | 41 | 630 | 6 | 105 |
| XA260560N | 90 | 708 | 456 | 456 | 28 | 18 | 496 | 68 | 61 | 61 | 690 | 10 | 69 |
| XA240574N | 84 | 695 | 480 | 480 | 18 | 18 | 508 | 77 | 42 | 42 | 685 | 5 | 137 |
| XA160596N | 63 | 712.3 | 510 | 510 | 24 | 18 | 421 | 55 | 48 | 48 | 702 | 6 | 117 |
| XA140640N | 50 | 742.3 | 571 | 571 | 44 | 13 | 595 | 50 | 43 | 43 | 732 | 6 | 122 |
| XA240685N | 115 | 830.1 | 577 | 577 | 24 | 22 | 617 | 68 | 61 | 61 | 816 | 8 | 102 |
| XA200720N | 87 | 844.3 | 630 | 630 | 30 | 18 | 662 | 59 | 52 | 52 | 834 | 6 | 139 |
| XA140753N | 65 | 862.3 | 674 | 674 | 28 | 18 | 706 | 50 | 43 | 43 | 852 | 6 | 142 |
| XA200810N | 158 | 964 | 730 | 730 | 24 | 18 | 762 | 90 | 73 | 73 | 944 | 8 | 118 |
| XA200818N | 100 | 940.1 | 728 | 728 | 36 | 18 | 760 | 60 | 53 | 53 | 930 | 6 | 155 |
| XA280845N | 200 | 1008 | 730 | 730 | 40 | 22 | 770 | 87 | 80 | 80 | 990 | 10 | 99 |
| XA220895N | 145 | 1038.1 | 790 | 790 | 32 | 22 | 830 | 68 | 61 | 61 | 1024 | 8 | 128 |
| XA280995N | 212 | 1158 | 882 | 882 | 40 | 22 | 922 | 83 | 73 | 73 | 1140 | 10 | 114 |
Not sure which model fits your application? Contact us for selection support.
- 25+ years experience in industrial bearing manufacturing
- Rich experience in CNC and precision equipment applications
- Strict quality inspection before shipment
- OEM and custom bearing solutions available
- Fast response within 24 hours
- Stable supply for long-term cooperation
We help customers ensure precision, reliability, and long-term performance.
- Raw material inspection
- Precision machining process
- Heat treatment control
- Clearance and rotation testing
- Final inspection before delivery
Ensuring consistent quality for every bearing.
Looking for a reliable slewing bearing supplier?
Send your inquiry today to get:
- Quotation within 24 hours
- Technical support from engineers
- Custom solution suggestions
- Competitive factory price
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Yes, gear type, size, and specifications can be customized based on your requirements.
Standard models: 5-8 working days. Custom products depend on specifications.
Yes, XA140540N is designed for precision rotation systems such as CNC rotary tables and automation equipment.
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